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19-1165; Rev 0; 12/96
Phase-Reversal Analog Switches
_______________General Description
The MAX4526/MAX4527 are CMOS analog ICs configured as phase-reversal switches. The MAX4526 is optimized for high-speed applications, such as chopper amplifiers, while the MAX4527 is optimized for low-power applications. The MAX4526/MAX4527 operate from a +4.5V to +36V single supply or 4.5V to 18V dual supplies. On-resistance (175 max) is matched between switches to 8 maximum. Each switch can handle rail-to-rail analog signals. Maximum leakage current is only 0.5nA at +25C and 10nA at +85C. All digital inputs have 0.8V to 2.4V logic thresholds, ensuring TTL/CMOS-logic compatibility.
____________________________Features
o 10pC (max) Charge Injection o 2pC (max) Charge-Injection Match o 175 Signal Paths with 15V Supplies o Guaranteed Break-Before-Make o Rail-to-Rail Signal Handling o Transition Time < 100ns with 15V Supplies o 1A Current Consumption (MAX4527) o >2kV ESD Protection per Method 3015.7 o TTL/CMOS-Compatible Inputs o Available in Small, 8-Pin MAX Package
MAX4526/MAX4527
______________Ordering Information ________________________Applications
Chopper-Stabilized Amplifiers Balanced Modulators/Demodulators Data Acquisition Test Equipment Audio-Signal Routing
PART MAX4526CPA MAX4526CSA MAX4526CUA MAX4526C/D MAX4526EPA MAX4526ESA MAX4526EUA TEMP. RANGE 0C to +70C 0C to +70C 0C to +70C 0C to +70C -40C to +85C -40C to +85C -40C to +85C PIN-PACKAGE 8 Plastic DIP 8 SO 8 MAX Dice* 8 Plastic DIP 8 SO 8 MAX
Ordering Information continued at end of data sheet. *Contact factory for availability.
_________________________Pin Configuration/Functional Diagram/Truth Table
MAX4526 MAX4527
TOP VIEW
A1 B2 GND 3 IN 4
8 7 6 5
V+ X Y VIN O 1 TRUTH TABLE A B Y X X Y
DIP/SO/MAX
SWITCH POSITIONS SHOWN WITH IN = LOW
________________________________________________________________ Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
Phase-Reversal Analog Switches MAX4526/MAX4527
ABSOLUTE MAXIMUM RATINGS
(Voltages Referenced to GND) V+ ...........................................................................-0.3V to +44V V- ............................................................................-25V to +0.3V V+ to V-...................................................................-0.3V to +44V All Other Pins (Note 1) ..........................(V- - 0.3V) to (V+ + 0.3V) Continuous Current into Any Terminal..............................20mA Peak Current into Any Terminal (pulsed at 1ms, 10% duty cycle)...................................30mA ESD per Method 3015.7 ..................................................>2000V Continuous Power Dissipation (TA = +70C) Plastic DIP (derate 9.09mW/C above +70C) .............727mW SO (derate 5.88mW/C above +70C) ..........................471mW MAX (derate 4.1mW/C above +70C) .......................330mW Operating Temperature Ranges MAX452_C_A .......................................................0C to +70C MAX452_E_A ....................................................-40C to +85C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10sec) .............................+300C
Note 1: Signals on IN, A, B, X, or Y exceeding V+ or V- are clamped by internal diodes. Limit forward-diode current to maximum current rating.
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS--15V Supplies
(V+ = +15V, V- = -15V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) PARAMETER ANALOG SWITCH Analog-Signal Range A-X, A-Y, B-X, B-Y On-Resistance A-X, A-Y, B-X, B-Y On-Resistance Match (Note 4) A-X, A-Y, B-X, B-Y On-Resistance Flatness (Note 5) VA, VB, V X , VY RON RON RFLAT(ON) IA(OFF), IB(OFF), IX(OFF), IY(OFF) VINH VINL IINH, IINL VIN_ = 0.8V or 2.4V (Note 3) VA = VB = 10V, IA = IB = 1mA VA = VB = 10V, IA = IB = 1mA VA = VB = -5V, 0V, +5V; IA = IB = 1mA V+ = 16.5V, V- = -16.5V; VIN = 0V, 3V; VA = 15.5V, VB = 15.5V C, E +25C C, E +25C C, E +25C C, E +25C C, E -0.5 -10 0.01 12 0.5 -V 105 V+ 175 200 8 10 18 30 0.5 nA 10 V SYMBOL CONDITIONS TA MIN TYP (Note 2) MAX UNITS
A, B, X, Y Leakage Current (Note 6)
LOGIC INPUT IN Input Logic Threshold High IN Input Logic Threshold Low IN Input Current Logic High or Low C, E C, E C, E 0.8 1 1.6 1.6 0.03 1 2.4 V V A
2
_______________________________________________________________________________________
Phase-Reversal Analog Switches MAX4526/MAX4527
ELECTRICAL CHARACTERISTICS--15V Supplies (continued)
(V+ = +15V, V- = -15V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) PARAMETER SYMBOL CONDITIONS TA MIN TYP (Note 2) 65 95 MAX UNITS
SWITCH DYNAMIC CHARACTERISTICS VA = VB = 10V, V+ = 15V, V- = -15V, Figure 3 MAX4526 MAX4527 +25C C, E +25C C, E 1 5 1 13 10 100 125 200 250 ns pC pF ns
Transition Time
tTRANS
Break-Before-Make Time Delay Charge Injection (Note 3) A-X, A-Y, B-X, B-Y Capacitance A-X, A-Y, B-X, B-Y Isolation (Note 7) POWER SUPPLY Power-Supply Range
tBBM Q COFF
VA = VB = 10V, V+ = 15V, +25C V- = -15V, Figure 4 CL = 1.0nF, VA or VB = 0V, RS = 0, Figure 5 VA = VB = GND, f = 1MHz, Figure 6 RL = 50, CL = 15pF, VA = VB = 1VRMS, f = 1MHz, Figure 7 +25C +25C
VISO
+25C
-65
dB
V+, VMAX4526
C, E +25C C, E +25C C, E +25C C, E +25C C, E
4.5 0.7 0.05 -400 -500 -1 -1 0.05
20 1 1.5 1 10
V mA A
V+ Supply Current
I+
V+ = 16.5V, VIN = 0V or V+ MAX4527 MAX4526
V- Supply Current
I-
V- = -16.5V MAX4527
A
The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column. Guaranteed by design. RON = RON(MAX) - RON(MIN). Resistance flatness is defined as the difference between the maximum and minimum values of on-resistance as measured over the specified analog-signal range. Note 6: Leakage current is 100% tested at maximum rated hot temperature, and is guaranteed by correlation at TA = +25C and minimum rated cold temperature. Note 7: Off-isolation = 20log10 [(VX or VY) / (VA or VB)], VX or VY = output, VA or VB = input to off switch. Note 2: Note 3: Note 4: Note 5:
_______________________________________________________________________________________
3
Phase-Reversal Analog Switches MAX4526/MAX4527
__________________________________________Typical Operating Characteristics
(V+ = +15V, V- = -15V, GND = 0V, TA = +25C, unless otherwise noted.)
ON-RESISTANCE vs. VA, VB, AND TEMPERATURE (DUAL SUPPLIES)
MAX4526/27 TOC-03 MAX4526/27 TOC-01
ON-RESISTANCE vs. VA, VB (DUAL SUPPLIES)
350 300 250 RON () RON () 200 V = 10V 150 100 50 0 -16 -12 -8 -4 0 4 VA, VB (V) 8 12 16 V = 15V V = 5V 180 160 140 120 100 80 60 40 20 0 -15
ON-RESISTANCE vs. VA, VB (SINGLE SUPPLY)
V- = 0V
MAX4526/27 TOC-02
TA = +125C
TA = +85C
10,000
TA = +70C RON () 1000 V+ = +5V V+ = +10V V+ = +15V V+ = +20V
TA = -55C
TA = -40C
TA = 0C
TA = +25C V+ = +15V V- = -15V -10 -5 0 VA, VB (V) 5 10 15
100 0 2 4 6 8 10 12 14 16 18 20 VA, VB (V)
ON-RESISTANCE vs. VA, VB, AND TEMPERATURE (SINGLE SUPPLY)
TA = +125C TA = +85C TA = +70C
MAX4526/27 TOC-04
LEAKAGE vs. TEMPERATURE
MAX4526/27 TOC-05
CHARGE INJECTION, CHARGEINJECTION MATCHING vs. VA, VB
V+ = 15V V- = -15V
MAX4526/27 TOC-06
300 250 200 RON () 150 100 50
100 V+ = 15V V- = -15V 10 LEAKAGE (nA)
30 20 10 Qj (pC) QYO
1
0 -10 Q MATCHING
QXO
0.1
TA = -40C TA = 0C V+ = 15V V- = 0V TA = +25C TA = -55C 0.01
-20 -30 -55 -35 -15 5 25 45 65 85 105 125 -15 -10 -5 0 VA, VB (V) 5 10 15 TEMPERATURE (C)
0 0 2 4 6 8 VA, VB (V) 10 12 14 16
0.001
CHARGE INJECTION, CHARGE-INJECTION MATCHING vs. VA, VB (SINGLE SUPPLY)
MAX4526/27 TOC-7
TRANSITION TIME vs. SUPPLY VOLTAGE
MAX4526/27 TOC-08
TRANSITION TIME vs. TEMPERATURE
V+ = 15V V- = -15V
MAX4526/27 TOC-09
15 V+ = 15V V- = 0V 10 Qj (pC) QYO
450 400 350 300 tTRANS (ns) 250 200 150 100 MAX4526 MAX4527
300 250 200 tRANS (ns) 150 100 50 0
5 QXO 0 MATCHING Q -5 0 2 4 6 8 10 12 14 16 VA, VB (V)
MAX4527
50 0 0 2 4 6 8 10 12 14 16 18 20 V+, V- (V)
MAX4526 -55 -35 -15 5 25 45 65 85 105 125
TEMPERATURE (C)
4
_______________________________________________________________________________________
Phase-Reversal Analog Switches
_____________________________Typical Operating Characteristics (continued)
(V+ = +15V, V- = -15V, GND = 0V, TA = +25C, unless otherwise noted.)
MAX4526 POSITIVE SUPPLY CURRENT vs. VIN
MAX4526/27 TOC-10 MAX4526/27 TOC-11
MAX4526/MAX4527
SUPPLY CURRENT vs. TEMPERATURE
2.00 1.75 1.50 I+, I- (mA) 1.25 I+ (A) 1.00 0.75 0.50 I+ (MAX4527) 0.25 0 -55 -35 -15 5 25 45 65 85 105 125 TEMPERATURE (C) I- (MAX4527) I+ (MAX4526) I- (MAX4526) 1000 900 800 700 600 500 400 300 200 100 0 0
MAX4527 POSITIVE SUPPLY CURRENT vs. VIN
MAX4526/27 TOC-12
1000 100 10 I+ (A) 1 0.1 0.01 0.001 V+ = 5V V- = -5V V+ = 15V V- = -15V
V+ = 15V V- = -15V
V+ = 5V V- = -5V
2
4
6
8 VIN (V)
10
12
14
16
0
2
4
6
8 VIN (V)
10
12
14
16
MAX4526 FREQUENCY RESPONSE
MAX4526/27-TOC-14
TOTAL HARMONIC DISTORTION vs. FREQUENCY
V = 15V 600 IN AND OUT
MAX4526/27 TOC-16
0 -10 -20 -30 LOSS (dB) ON - LOSS
100
10 THD (%)
-40 -50 -60 -70 -80 -90 -100 0.1 1 10 FREQUENCY (MHz) 100 1000 OFF - ISOLATION
1
0.1
0.01 10 100 1k FREQUENCY (Hz) 10k 100k
_______________________________________________________________________________________
5
Phase-Reversal Analog Switches MAX4526/MAX4527
__________________Pin Configuration
PIN 1 NAME A FUNCTION Analog-Switch Input Terminal A. Connected to Y when IN is low; connected to X when IN is high. Analog-Switch Input Terminal B. Connected to X when IN is low; connected to Y when IN is high. Ground. Connect GND to digital ground. (Analog signals have no ground reference; they are limited to V+ and V-.) Logic-Level Control Inputs (see Truth Table). Negative Analog Supply-Voltage Input. Connect V- to GND for singlesupply operation. Analog-Switch Output Terminal Y. Analog-Switch Output Terminal X. Positive Analog/Digital Supply-Voltage Input. Internally connected to substrate.
_______________Detailed Description
The MAX4526/MAX4527 are phase-reversal analog switches, consisting of two normally open and two normally closed CMOS analog switches arranged in a bridge configuration. Analog signals are put into two input pins and taken out of two output pins. A logiclevel signal controls whether the input signal is routed through normally or inverted. A low-resistance DC path goes from inputs to outputs at all times, yet isolation between the two signal paths is excellent. Analog signals range from V- to V+. These parts are characterized and optimized with 15V supplies, and they can operate from a single supply. The MAX4526 is optimized for high-frequency operation, and has a higher-speed logic-level translator and switch driver. The MAX4527 has identical analog switch characteristics, but has a slower logic-level translator and switch driver for lower current consumption. The MAX4526/MAX4527 are designed for DC and lowfrequency-signal phase-reversal applications, such as chopper amplifiers, modulator/demodulators, and selfzeroing or self-calibrating circuits. Unlike conventional CMOS switches externally wired in a bridge configuration, both DC and AC symmetry are optimized with a small 8-pin configuration that allows simple board layout and isolation of logic signals from analog signals.
2
B
3
GND
4
IN
5 6 7 8
VY X V+
Note: A, B, X and Y pins are identical and interchangeable. Either may be considered as an input or output; signals pass equally well in either direction. However, AC symmetry is best when A and B are the input, and X and Y are the output. Reduce AC balance in critical applications by using A and X or A and Y as the input, and B and Y or B and X as the output.
V+
V+
MAX4526 MAX4527
A INPUTS B V+ X Y LOGIC LO IN GND VOUTPUTS IN GND VINPUTS A B V+ X Y LOGIC HI
MAX4526 MAX4527
OUTPUTS
VIN O 1
TRUTH TABLE A B Y X X Y
V-
Figure 1. Typical Application Circuits
6 _______________________________________________________________________________________
Phase-Reversal Analog Switches
Power-Supply Considerations
Overview The MAX4526/MAX4527 construction is typical of most CMOS analog switches. It has three supply pins: V+, V-, and GND. V+ and V- drive the internal CMOS switches and set the analog-voltage limits on any switch. Reverse ESD-protection diodes are internally connected between each analog signal pin, and both V+ and V-. One of these diodes conducts if any analog signal exceeds V+ or V-. Virtually all of the analog leakage current is through the ESD diodes to V+ or V-. Although the ESD diodes on a given signal pin are identical and therefore fairly well balanced, they are reverse biased differently. Each is biased by either V+ or V- and the analog signal. This means their leakages vary as the signal varies. The difference in the two diode leakages from the signal path to the V+ and V- pins constitutes the analog-signal-path leakage current. All analog leakage current flows to the supply terminals, not to the other switch terminal. This explains how both sides of a given switch can show leakage currents of either the same or opposite polarity. There is no connection between the analog-signal paths and GND. The analog-signal paths consist of an Nchannel and P-channel MOSFET with their sources and drains paralleled and their gates driven out-of-phase to V+ and V- by the logic-level translators. V+ and GND power the internal logic and logic-level translator and set the input logic threshold. The logiclevel translator converts the logic levels to switched V+ and V- signals to drive the analog switches' gates. This drive signal is the only connection between GND and the analog supplies. V+ and V- have ESD-protection diodes to GND. The logic-level input has ESD protection to V+ and to V- but not to GND, so the logic signal can go below GND (as low as V-) when bipolar supplies are used. Increasing V- has no effect on the logic-level thresholds, but it does increase the drive to the internal P-channel switches, reducing the overall switch on-resistance. Valso sets the negative limit of the analog-signal voltage. The logic-level input pin, IN, has ESD-protection diodes to V+ and V- but not to GND, so it can be safely driven to V+ and V-. The logic-level threshold, VIN, is CMOS/ TTL compatible when V+ is between 4.5V and 36V (see Typical Operating Characteristics). Bipolar Supplies The MAX4526/MAX4527 operate with bipolar supplies between 4.5V and 18V. However, since all factory characterization is done with 15V supplies, specifications at other supplies are not guaranteed. The V+ and V- supplies need not be symmetrical, but their sum cannot exceed the absolute maximum rating of 44V (see Absolute Maximum Ratings).
MAX4526/MAX4527
MODULATOR/DEMODULATOR CIRCUIT V+ INPUT V+ A X OUTPUT
B IN LOGIC (CARRIER)
Y GND V-
V+
MAX4526 MAX4527
TIME WAVEFORMS
OUTPUT SPECTRUM
LOGIC (CARRIER)
LOWER SIDEBAND
UPPER SIDEBAND SUPPRESSED CARRIER
A
B AMPLITUDE
X FREQUENCY
Y
X-Y (OUTPUT)
Figure 2. Balanced Modulator/Demodulator
_______________________________________________________________________________________ 7
Phase-Reversal Analog Switches MAX4526/MAX4527
Single Supply The MAX4526/MAX4527 operate from a single supply between +4.5V and +36V when V- is connected to GND. Observe all of the bipolar precautions when operating from a single supply.
MAX4526/MAX4527's internal capacitance and resistance gradually impair performance. Similarly, imbalances in external circuit capacitance and resistance to GND reduce overall carrier suppression. The carrier is applied as a logic-level square wave to IN. (Note that this voltage can go as negative as V-.) For best carrier suppression, the power-supply voltages should be equal, the square wave should have a precise 50% duty cycle, and both the input and output signals should be symmetrical about ground. Bypass V+ and V- to GND with 0.1F ceramic capacitors, as close to the IC pins as possible. Since the logic-level translator/driver in the MAX4526 is faster than the one in the MAX4527, it gives better results at higher frequencies. In critical applications, carrier suppression can be optimized by trimming duty cycle, DC bias around GND, or external source and load capacitance. In signal lines, balancing both capacitance and resistance to GND produces the best carrier suppression. Transformer coupling of input and output signals provides the best isolation and carrier suppression. Transformers can also provide signal filtering, impedance matching, or low-noise voltage gain. Use a center-tapped transformer or high-resistance voltage divider to provide a DC path to GND on either the input signal or output signal. This ensures a DC path to GND and symmetrical operation of the internal switches.
__________Applications Information
The MAX4526/MAX4527 are designed for DC and low-frequency-signal phase-reversal applications. Both DC and AC symmetry are optimized for use with 15V supplies.
Signal Phase/Polarity Reversal
The MAX4526/MAX4527 can reverse the phase or polarity of a pair of signals that are out-of-phase and balanced to ground. This is done by routing signals through the MAX4526/MAX4527 and under control of the IN pin, reversing the two signals paths inside the switch before sending out to a balanced output. Figure 1 shows a typical example. The MAX4526/MAX4527 cannot reverse the phase or polarity of a singlegrounded signal, as can be done with an inverting op amp or transformer.
Balanced Modulators/Demodulators
The MAX4526/MAX4527 can be used as a balanced modulator/demodulator at carrier frequencies up to 100kHz (Figure 2). Higher frequencies are possible, but as frequency increases, small imbalances in the
______________________________________________Test Circuits/Timing Diagrams
V+ VIN IN 50 V+ V+ A B X GND VVVA tTRANS V- IS CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION. tTRANS 300 -10V +10V VOUT 35pF VOUT 0V 90% VB 90% VIN 0V 50%
MAX4526 MAX4527
Figure 3. Address Transition Time
8 _______________________________________________________________________________________
Phase-Reversal Analog Switches
_________________________________Test Circuits/Timing Diagrams (continued)
MAX4526/MAX4527
V+ VIN IN 50 V+ VIN A B X OR Y GND VV300 VOUT 35pF +10V
V+ 50% 0V
t F < 5ns t R < 5ns
MAX4526 MAX4527
VOUT 90%
0V tBBM
V- IS CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION.
Figure 4. Break-Before-Make Interval
V+ V+ V+ B OR A A OR B N.C. VA OR VB VIN 0V
VIN 50
IN
MAX4526 MAX4527
X OR Y GND VVVOUT IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER ERROR Q WHEN THE CHANNEL TURNS OFF. CL 1000pF VOUT VOUT VOUT
V- IS CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION.
Q = VOUT x CL
Figure 5. Charge Injection
_______________________________________________________________________________________ 9
Phase-Reversal Analog Switches MAX4526/MAX4527
_________________________________Test Circuits/Timing Diagrams (continued)
V+ V+
A B
V+ IN
MAX4526 MAX4527
GND VV-
X Y 1MHz CAPACITANCE ANALYZER
SWITCH SELECT
Figure 6. A, B, X, Y Capacitance
V+ 10nF NETWORK ANALYZER 50 V+ IN GND 50 ON LOSS = 20 log VOUT X,Y V50 10nF V50 MEAS. REF VOUT VIN
V+
A,B
VIN
OFF ISOLATION = 20 log
VOUT VIN
MAX4526 MAX4527
SWITCH SELECT
MEASUREMENTS ARE STANDARDIZED AGAINST SHORT AT SOCKET TERMINALS. OFF ISOLATION IS MEASURED BETWEEN A, B AND "OFF" X, Y TERMINAL. ON LOSS IS MEASURED BETWEEN A, B AND "ON" X, Y TERMINAL. SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED. V- IS CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION.
Figure 7. Off Isolation and On Loss
10
______________________________________________________________________________________
Phase-Reversal Analog Switches
_Ordering Information (continued)
PART MAX4527CPA MAX4527CSA MAX4527CUA MAX4527C/D MAX4527EPA MAX4527ESA MAX4527EUA TEMP. RANGE 0C to +70C 0C to +70C 0C to +70C 0C to +70C -40C to +85C -40C to +85C -40C to +85C PIN-PACKAGE 8 Plastic DIP 8 SO 8 MAX Dice* 8 Plastic DIP 8 SO 8 MAX
___________________Chip Topography
V+ A X
MAX4526/MAX4527
B
Y
0.077" (1.96mm)
*Contact factory for availability.
GND
IN
V-
0.058" (1.47mm)
TRANSISTOR COUNT: 50 SUBSTRATE IS INTERNALLY CONNECTED TO V+
________________________________________________________________Package Information
DIM
C A 0.101mm 0.004 in B A1 L
e
A A1 B C D E e H L
INCHES MAX MIN 0.044 0.036 0.008 0.004 0.014 0.010 0.007 0.005 0.120 0.116 0.120 0.116 0.0256 0.198 0.188 0.026 0.016 6 0
MILLIMETERS MIN MAX 0.91 1.11 0.10 0.20 0.25 0.36 0.13 0.18 2.95 3.05 2.95 3.05 0.65 4.78 5.03 0.41 0.66 0 6
21-0036D
E
H
8-PIN MAX MICROMAX SMALL-OUTLINE PACKAGE
D
______________________________________________________________________________________
11
Phase-Reversal Analog Switches MAX4526/MAX4527
_________________________________________________Package Information (continued)
DIM INCHES MAX MIN 0.069 0.053 0.010 0.004 0.019 0.014 0.010 0.007 0.157 0.150 0.050 0.244 0.228 0.050 0.016 MILLIMETERS MIN MAX 1.35 1.75 0.10 0.25 0.35 0.49 0.19 0.25 3.80 4.00 1.27 5.80 6.20 0.40 1.27
D A e B
0.101mm 0.004in.
0-8
A1
C
L
A A1 B C E e H L
E
H
Narrow SO SMALL-OUTLINE PACKAGE (0.150 in.)
DIM PINS D D D 8 14 16
INCHES MILLIMETERS MIN MAX MIN MAX 0.189 0.197 4.80 5.00 0.337 0.344 8.55 8.75 0.386 0.394 9.80 10.00
21-0041A
E D A3 A A2 E1
DIM A A1 A2 A3 B B1 C D1 E E1 e eA eB L
L A1 e B D1
0 - 15 C B1 eA eB
INCHES MAX MIN 0.200 - - 0.015 0.175 0.125 0.080 0.055 0.022 0.016 0.065 0.045 0.012 0.008 0.080 0.005 0.325 0.300 0.310 0.240 - 0.100 - 0.300 0.400 - 0.150 0.115 INCHES MIN MAX 0.348 0.390 0.735 0.765 0.745 0.765 0.885 0.915 1.015 1.045 1.14 1.265
MILLIMETERS MIN MAX - 5.08 0.38 - 3.18 4.45 1.40 2.03 0.41 0.56 1.14 1.65 0.20 0.30 0.13 2.03 7.62 8.26 6.10 7.87 2.54 - 7.62 - - 10.16 2.92 3.81 MILLIMETERS MIN MAX 8.84 9.91 18.67 19.43 18.92 19.43 22.48 23.24 25.78 26.54 28.96 32.13
21-0043A
Plastic DIP PLASTIC DUAL-IN-LINE PACKAGE (0.300 in.)
PKG. DIM PINS P P P P P N D D D D D D 8 14 16 18 20 24
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 (c) 1996 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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