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ISL28166, ISL28266
Data Sheet August 29, 2008 FN6155.4
39A Micropower Single and Dual Rail-to-Rail Input-Output Low Input Bias Current (RRIO) Op Amps
The ISL28166 and ISL28266 are micropower precision operational amplifiers optimized for single supply operation at 5V and can operate down to 2.4V. These devices feature an Input Range Enhancement Circuit (IREC), which enables them to maintain CMRR performance for input voltages greater than the positive supply. The input signal is capable of swinging 0.5V above a 5.0V supply (0.25 for a 2.5V supply) and to within 10mV from ground. The output operation is rail-to-rail. The 1/f corner of the voltage noise spectrum is at 1kHz. This results in low frequency noise performance, which can only be found on devices with an order of magnitude higher than the supply current. ISL28166 and ISL28266 can be operated from one lithium cell or two Ni-Cd batteries. The input range includes both positive and negative rail. The output swings to both rails.
Features
* 39A typical supply current (ISL28166) * 78A typical supply current (ISL28266) * 5nA max input bias current * 250kHz gain bandwidth product (AV = 1) * 2.4V to 5V single supply voltage range * Rail-to-rail input and output * Enable pin (ISL28166 only) * Pb-free (RoHS compliant)
Applications
* Battery- or solar-powered systems * 4mA to 20mA current loops * Handheld consumer products * Medical devices * Sensor amplifiers * ADC buffers
Ordering Information
PART NUMBER (Note) ISL28166FHZ-T7* ISL28266FUZ ISL28266FUZ-T7* ISL28266FBZ ISL28266FBZ-T7* PART MARKING GABY 8266Z 8266Z 28266 FBZ 28266 FBZ PACKAGE (Pb-Free) 6 Ld SOT-23 8 Ld MSOP 8 Ld MSOP 8 Ld SOIC 8 Ld SOIC PKG. DWG. # MDP0038 MDP0043 MDP0043
* DAC output amplifiers
Pinouts
ISL28166 (6 LD SOT-23) TOP VIEW
OUT 1 6 V+ 5 ENABLE 4 IN-
MDP0027 MDP0027
V- 2 IN+ 3 +-
*Please refer to TB347 for details on reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
OUT_A 1 IN-_A 2 IN+_A 3 V- 4 -+
ISL28266 (8 LD MSOP) TOP VIEW
8 V+ 7 OUT_B +6 IN-_B 5 IN+_B OUT_A 1 IN-_A 2 IN+_A 3 V- 4
ISL28266 (8 LD SOIC) TOP VIEW
8 V+ -+ +7 OUT_B 6 IN-_B 5 IN+_B
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright (c) Intersil Americas Inc. 2006, 2007, 2008. All Rights Reserved. All other trademarks mentioned are the property of their respective owners.
ISL28166, ISL28266
Absolute Maximum Ratings (TA = +25C)
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V Supply Turn-on Voltage Slew Rate . . . . . . . . . . . . . . . . . . . . . 1V/s Differential Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5V Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . V- - 0.5V to V+ + 0.5V ESD Rating Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3kV Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300V Charged Device Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . .1500V
Thermal Information
Thermal Resistance (Typical Note 1) JA (C/W) 6 Ld SOT-23 Package . . . . . . . . . . . . . . . . . . . . . . . 230 8 Ld MSOP Package . . . . . . . . . . . . . . . . . . . . . . . . 160 8 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . 120 Output Short-Circuit Duration . . . . . . . . . . . . . . . . . . . . . . .Indefinite Ambient Operating Temperature Range . . . . . . . . .-40C to +125C Storage Temperature Range . . . . . . . . . . . . . . . . . .-65C to +150C Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . +125C Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and result in failures not covered by warranty.
NOTE: 1. JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA
Electrical Specifications
V+ = 5V, V- = 0V,VCM = 2.5V, TA = +25C unless otherwise specified. Boldface limits apply over the operating temperature range, -40C to +125C. Temperature data established by characterization. CONDITIONS MIN (Note 2) -700 -800 TYP -7 1.5 -1.5 -5 -5 -5.5 FO = 1kHz FO = 1kHz 0 VCM = 0V to 5V VS = 2.4V to 5V VO = 0.5V to 4.5V, RL = 100k VO = 0.5V to 4.5V, RL = 1k 80 75 90 75 200 175 35 30 110 104 412 70 3 130 4.992 4.99 4.85 4.8 4.995 4.88 0.05 AV = 1 250 6 8 150 200 0.34 1.14 46 0.14 5 1.2 2.5 5 5.5 MAX (Note 2) 700 800 UNIT V V/C nA nA nV/Hz pA/Hz V dB dB V/mV V/mV mV mV V V V/s kHz
PARAMETER VOS V OS --------------T IOS IB EN IN CMIR CMRR PSRR AVOL
DESCRIPTION Input Offset Voltage Input Offset Drive vs Temperature Input Offset Current Input Bias Current Input Noise Voltage Density Input Noise Current Density Input Common-Mode Voltage Range Common-Mode Rejection Ratio Power Supply Rejection Ratio Large Signal Voltage Gain
VOUT
Maximum Output Voltage Swing
Output low, RL = 100k Output low, RL = 1k Output high, RL = 100k Output high, RL = 1k
SR GBW
Slew Rate Gain Bandwidth Product
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FN6155.4 August 29, 2008
ISL28166, ISL28266
Electrical Specifications
V+ = 5V, V- = 0V,VCM = 2.5V, TA = +25C unless otherwise specified. Boldface limits apply over the operating temperature range, -40C to +125C. Temperature data established by characterization. (Continued) CONDITIONS MIN (Note 2) TYP 39 78 10 RL = 10 RL = 10 Guaranteed by PSRR test 2.4 2 0.8 VEN = 5V VEN = 0V VOUT = 1V (enable state); VEN = High to Low VOUT = 0V (disabled state) VEN = Low to High 1 16 10.8 0.1 1.2 1.2 25 30 28 23 31 -26 -24 -18 5 MAX (Note 2) 47 56 94 112 14 16 UNIT A A A mA mA V V V A nA s s
PARAMETER IS,ON IS,ON IS,OFF IO+ IOVSUPPLY VINH VINL IENH IENL tEN tEN NOTE:
DESCRIPTION Supply Current, Enabled (ISL28166) Supply Current (ISL28266) Supply Current, Disabled (ISL28166) Short-Circuit Output Current Short-Circuit Output Current Supply Operating Range Enable Pin High Level (ISL28166) Enable Pin Low Level (ISL28166) Enable Pin Input Current (ISL28166) Enable Pin Input Current (ISL28166) Enable to output on-state delay time (ISL28166) Enable to output off-state delay time (ISL28166)
2. Parameters with MIN and/or MAX limits are 100% tested at +25C, unless otherwise specified. Temperature limits established by characterization and are not production tested.
Typical Performance Curves
3 2 NORMALIZED GAIN (dB) 1 0 -1 -2 -3 -4 -5 -6 -7 -8 AV = 1 CL = 16.3pF VOUT = 10mVP-P 1k 10k 100k 1M RL = 10k RL = 100k NORMALIZED GAIN (dB) RL = 1k 8 7 6 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 CL = 63.3pF CL = 55.3pF CL = 49.3pF CL = 43.3pF CL = 38.3pF CL = 34.3pF AV = 1 RL = 10k VOUT = 10mVP-P 1k 10k 100k 1M
FREQUENCY (Hz)
FREQUENCY (Hz)
FIGURE 1. GAIN vs FREQUENCY vs RL
FIGURE 2. GAIN vs FREQUENCY vs CL
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FN6155.4 August 29, 2008
ISL28166, ISL28266 Typical Performance Curves (Continued)
70 60 50 GAIN (dB) 40 30 20 10 0 Rf = 0, Rg = INF, RL = 10k -10 100 1k 10k FREQUENCY (Hz) 100k 1M Rf = 9.09, Rg = 1k, RL = INF Rf = 1M, Rg = 1k, RL = 10k 1 RL = 10k CL = 16.3pF VOUT = 10mVP-P 0 NORMALIZED GAIN (dB) -1 -2 -3 -4 -5 -6 AV = 1 RL = 10k -8 VOUT = 10mVP-P -9 1k 10k -7 VS = 2.4V VS = 5V
Rf = 100k, Rg = 1k, RL = 10k
100k
1M
FREQUENCY (Hz)
FIGURE 3. CLOSED LOOP GAIN vs FREQUENCY
FIGURE 4. GAIN vs FREQUENCY vs VS
3 2 NORMALIZED GAIN (dB) 1 0 -1 -2 -3 -4 -5 -6 -7 -8 1k AV = 1 RL = 1k CL = 16.3pF 10k VOUT = 1V
VOUT = 10mV NORMALIZED GAIN (dB) VOUT = 50mV
1 0 -1 -2 -3 -4 -5 -6 -7 -8 100k 1M -9 AV = 1 RL = 10k CL = 16.3pF 1k 10k VOUT = 1V
VOUT = 10mV
VOUT = 100mV
VOUT = 50mV VOUT = 100mV 100k 1M FREQUENCY (Hz)
FREQUENCY (Hz)
FIGURE 5. GAIN vs FREQUENCY vs VOUT
FIGURE 6. GAIN vs FREQUENCY vs VOUT
1 0 NORMALIZED GAIN (dB) -1 -2 -3 -4 -5 -6 -7 -8 -9 1k AV = 1 RL = 100k CL = 16.3pF VOUT = 1V
VOUT = 10mV
10 AV = 1 0 RL = 10k CL = 16.3pF -10 VCM = 1VPP P-P -20 -30 -40 -50 -60
VS = 2.4V
VOUT = 50mV
CMRR (dB)
VS = 5V
VOUT = 100mV
10k 100k FREQUENCY (Hz)
1M
-70 100
1k
10k FREQUENCY (Hz)
100k
1M
FIGURE 7. GAIN vs FREQUENCY vs VOUT
FIGURE 8. CMRR vs FREQUENCY
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FN6155.4 August 29, 2008
ISL28166, ISL28266 Typical Performance Curves (Continued)
10 0 -10 PSRR (dB) -20 -30 -40 -50 -60 -70 -80 100 1k 10k FREQUENCY (Hz) 100k 1M PSRR+ AV = 1 RL = 1k CL = 16.3pF VOUT = 1VP-P VS = 2.4V 10 0 PSRRPSRR (dB) -10 -20 -30 -40 -50 -60 -70 -80 -90 100 1k 10k FREQUENCY (Hz) 100k 1M PSRR+ AV = 1 RL = 1k CL = 16.3pF VOUT = 1VP-P VS = 5V
PSRR-
FIGURE 9. PSRR vs FREQUENCY, VS = 2.4V
FIGURE 10. PSRR vs FREQUENCY, VS = 5V
160 INPUT VOLTAGE NOISE (nV/Hz) 140 120 100 80 60 40 20 0 1 10 100 FREQUENCY (Hz) 1k 10k INPUT CURRENT NOISE (pA/Hz)
1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 1 10 100 FREQUENCY (Hz) 1k 10k
FIGURE 11. INPUT VOLTAGE NOISE vs FREQUENCY
FIGURE 12. INPUT CURRENT NOISE vs FREQUENCY
0 -0.2 INPUT NOISE (V) -0.4 -0.6 -0.8 -1.0 -1.2 -1.4 0
24 AV = 1000 RF = 100k Ri = 100 RL = 10k 22 SMALL SIGNAL (mV) 20 18 16 14 12 1 2 3 4 5 TIME (s) 6 7 8 9 10 10 0 50 100 150 200 TIME (s) 250 300 350 400 RF = Ri = RL = 10k AV = 2 CL = 16.3pF VOUT = 10mVP-P
FIGURE 13. 1Hz TO 10Hz INPUT NOISE
FIGURE 14. SMALL SIGNAL STEP RESPONSE
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FN6155.4 August 29, 2008
ISL28166, ISL28266 Typical Performance Curves (Continued)
0.6 0.4 0.2 0 -0.2 -0.4 -0.6 RF = Ri = RL = 10k AV = 2 CL = 16.3pF VOUT = 1VP-P 0 100 200 TIME (s) 300 400 6 5 4 ENABLE (V) 3 2 1 0 -1 VOUT 0 10 20 30 40 50 60 70 80 90 TIME (s) V-ENABLE 1.2 1.0 0.8 RF = Ri = RL = 10k AV = 2 CL = 16.3pF VOUT = 10mVP-P 0.6 0.4 0.2 0 -0.2 100 OUTPUT (V)
LARGE SIGNAL (V)
FIGURE 15. LARGE SIGNAL STEP RESPONSE
FIGURE 16. ENABLE TO OUTPUT DELAY
66.5 n = 1000 56.5 CURRENT (A) 46.5 MEDIAN 36.5 MIN 26.5 16.5 6.5 -40
85 n = 50 80 MAX CURRENT (A) 75 70 MEDIAN 65 60 55 -20 0 20 40 60 80 100 120 50 -40 -20 0 20 40 60 80 100 120 MIN MAX
TEMPERATURE (C)
TEMPERATURE (C)
FIGURE 17. SUPPLY CURRENT ENABLED (SINGLE) vs TEMPERATURE, VS = 2.5V
FIGURE 18. SUPPLY CURRENT ENABLED (DUAL) vs TEMPERATURE, VS = 2.5V
14.5 n = 1000 13.5 MAX
350 250
n = 50 MAX
12.5 CURRENT (A) 11.5 MEDIAN 10.5 9.5 8.5 7.5 6.5 -40 MIN VOS (V) 150 50 -50 -150 MEDIAN
MIN -250 -350 -40
-20
0
20 40 60 80 TEMPERATURE (C)
100
120
-20
0
20 40 60 80 TEMPERATURE (C)
100
120
FIGURE 19. SUPPLY CURRENT DISABLED (SINGLE) vs TEMPERATURE, VS = 2.5V
FIGURE 20. VOS vs TEMPERATURE, VS = 2.5V
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FN6155.4 August 29, 2008
ISL28166, ISL28266 Typical Performance Curves (Continued)
400 300 200 IBIAS+ (nA) VOS (V) 100 MEDIAN 0 -100 MIN -200 -300 -40 -1 -2 -40 MIN n = 50 MAX 4 3 MEDIAN 2 1 0 5 n = 50 MAX
-20
0
20
40
60
80
100
120
-20
0
20
40
60
80
100
120
TEMPERATURE (C)
TEMPERATURE (C)
FIGURE 21. VOS vs TEMPERATURE, VS = 1.2V
FIGURE 22. IIBIAS+ vs TEMPERATURE, VS = 2.5V
5 n = 50 4 IBIAS+ (nA) 3 IBIAS- (nA) MEDIAN 2 1 0 -1 -2 -40 MIN MAX
2 n = 50 1 0 -1 -2 -3 MIN 80 100 120 -4 -40 -20 0 20 40 60 80 100 120 MEDIAN MAX
-20
0
20
40
60
TEMPERATURE (C)
TEMPERATURE (C)
FIGURE 23. IBIAS- vs TEMPERATURE, VS = 2.5V
FIGURE 24. IBIAS+ vs TEMPERATURE, VS = 1.2V
2 1 0 IBIAS- (nA) -1 -2 -3 -4 -5 -40
n = 50
3 MAX 2.5 2 n = 50
MEDIAN IOS (nA)
1.5 1 0.5 0 MEDIAN MAX
-0.5 -1 MIN -1.5 80 100 120 -2 -40 -20 0 20 MIN 40 60 80 100 120
-20
0
20
40
60
TEMPERATURE (C)
TEMPERATURE (C)
FIGURE 25. IBIAS- vs TEMPERATURE, VS = 1.2V
FIGURE 26. IOS vs TEMPERATURE, VS = 2.5V
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FN6155.4 August 29, 2008
ISL28166, ISL28266 Typical Performance Curves (Continued)
2.5 2.0 1.5 MAX CMRR (dB) 1.0 IOS (nA) 0.5 0 -0.5 -1.0 -1.5 -2.0 -40 -20 0 20 MIN MEDIAN n = 50 140 135 130 125 120 115 110 105 100 95 40 60 80 100 120 90 -40 -20 0 20 40 60 80 100 120 MIN MEDIAN n = 50
MAX
TEMPERATURE (C)
TEMPERATURE (C)
FIGURE 27. IOS vs TEMPERATURE, VS = 1.2V
FIGURE 28. CMRR vs TEMPERATURE V+ = 2.5V, 1.5V
135 130 125 120 PSRR (dB) 115 110 105 100 95 90 85 -40
4.9 n = 50 4.89 MAX MAX VOUT (V) 4.88 4.87 MEDIAN 4.86 MIN 4.85 4.84 -40 MIN n = 50
MEDIAN
-20
0
20
40
60
80
100
120
-20
0
20
40
60
80
100
120
TEMPERATURE (C)
TEMPERATURE (C)
FIGURE 29. PSRR vs TEMPERATURE 1.2V TO 2.5V
FIGURE 30. VOUT HIGH vs TEMP VS = 2.5V, RL = 1k
4.9965 n = 50 4.996 MAX VOUT (m V) 4.9955 VOUT (V) 4.995 MEDIAN 4.9945 MIN 4.994 4.9935 -40
170 n = 50 160 MAX 150 140 130 120 110 100 -40 MIN MEDIAN
-20
0
20
40
60
80
100
120
-20
0
20
40
60
80
100
120
TEMPERATURE (C)
TEMPERATURE (C)
FIGURE 31. VOUT HIGH VS = 2.5V, RL = 100k
FIGURE 32. VOUT LOW VS = 2.5V, RL = 1k
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FN6155.4 August 29, 2008
ISL28166, ISL28266 Typical Performance Curves (Continued)
4.5 n = 50 4 MAX VOUT (m V) 3.5
3 MIN 2.5
MEDIAN
2 -40
-20
0
20
40
60
80
100
120
TEMPERATURE (C)
FIGURE 33. VOUT LOW VS = 2.5V, RL = 100k
Pin Descriptions
ISL28166 (6 Ld SOT-23) 4 2 (A) 6 (B) ISL28266 (8 Ld SOIC) (8 Ld MSOP) PIN NAME ININ-_A IN-_B FUNCTION Inverting input
V+ IN-
EQUIVALENT CIRCUIT
IN+ VCircuit 1
3 3 (A) 5 (B) 2 1 1 (A) 7 (B) 4
IN+ IN+_A IN+_B VOUT OUT_A OUT_B
Non-inverting input
(See Circuit 1)
Negative supply Output
V+
OUT
VCircuit 2
6 5
8
V+ ENABLE
Positive supply Chip enable
CE V+
VCircuit 3
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FN6155.4 August 29, 2008
ISL28166, ISL28266 Applications Information
Introduction
The ISL28166 is a single BiMOS rail-to-rail input, output (RRIO) operational amplifier with an enable feature. The ISL28266 is a dual version without the enable feature. Both devices are designed to operate from single supply (2.4V to 5.0V) or dual supplies (1.2V to 2.5V) while drawing only 39A of supply current per amplifier. This combination of low power and precision performance makes this device suitable for a variety of low power applications including battery powered systems. result in higher than expected supply currents and possible noise injection into the channel being used. The proper way to prevent this oscillation is to short the output to the negative input and ground the positive input (as shown in Figure 35).
+
FIGURE 35. PREVENTING OSCILLATIONS IN UNUSED CHANNELS
Rail-to-Rail Input/Output
These devices feature bi-polar inputs which have an input common mode range that extends to the rails, and CMOS outputs that can typically swing to within about 4mV of the supply rails with a 100k load. The NMOS sinks current to swing the output in the negative direction. The PMOS sources current to swing the output in the positive direction.
Current Limiting
These devices have no internal current-limiting circuitry. If the output is shorted, it is possible to exceed the Absolute Maximum Rating for output current or power dissipation, potentially resulting in the destruction of the device.
Power Dissipation
It is possible to exceed the +125C maximum junction temperatures under certain load and power-supply conditions. It is therefore important to calculate the maximum junction temperature (TJMAX) for all applications to determine if power supply voltages, load conditions, or package type need to be modified to remain in the safe operating area. These parameters are related in Equation 1:
T JMAX = T MAX + ( JA xPD MAXTOTAL ) (EQ. 1)
Input Protection
All input terminals have internal ESD protection diodes to both positive and negative supply rails, limiting the input voltage to within one diode beyond the supply rails. They also contain back-to-back diodes across the input terminals. For applications where the input differential voltage is expected to exceed 0.5V, external series resistors must be used to ensure the input currents never exceed 5mA (Figure 34).
VIN RIN + RL VOUT
where: * PDMAXTOTAL is the sum of the maximum power dissipation of each amplifier in the package (PDMAX) * PDMAX for each amplifier can be calculated using Equation 2:
V OUTMAX PD MAX = 2*V S x I SMAX + ( V S - V OUTMAX ) x --------------------------RL (EQ. 2)
FIGURE 34. INPUT CURRENT LIMITING
Enable/Disable Feature
The ISL28166 offers an EN pin that disables the device when pulled up to at least 2.0V. In the disabled state (output in a high impedance state), the part consumes typically 10A. By disabling the part, multiple ISL28166 parts can be connected together as a MUX. In this configuration, the outputs are tied together in parallel and a channel can be selected by the EN pin. The EN pin also has an internal pull-down. If left open, the EN pin will pull to the negative rail and the device will be enabled by default. The loading effects of the feedback resistors of the disabled amplifier must be considered when multiple amplifier outputs are connected together.
where: * TMAX = Maximum ambient temperature * JA = Thermal resistance of the package * PDMAX = Maximum power dissipation of 1 amplifier * VS = Supply voltage * IMAX = Maximum supply current of 1 amplifier * VOUTMAX = Maximum output voltage swing of the application * RL = Load resistance
Using Only One Channel
The ISL28266 is a dual op amp. If the application only requires one channel, the user must configure the unused channel to prevent it from oscillating. The unused channel will oscillate if the input and output pins are floating. This will
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FN6155.4 August 29, 2008
ISL28166, ISL28266 SOT-23 Package Family
e1 A N 6 4
MDP0038
D
SOT-23 PACKAGE FAMILY MILLIMETERS SYMBOL A A1 SOT23-5 1.45 0.10 1.14 0.40 0.14 2.90 2.80 1.60 0.95 1.90 0.45 0.60 5 SOT23-6 1.45 0.10 1.14 0.40 0.14 2.90 2.80 1.60 0.95 1.90 0.45 0.60 6 TOLERANCE MAX 0.05 0.15 0.05 0.06 Basic Basic Basic Basic Basic 0.10 Reference Reference Rev. F 2/07 NOTES:
E1 2 3
E
A2 b c
0.20 C
0.15 C D 2X 5 e B b NX 1 2 3 2X 0.20 M C A-B D
D E E1 e e1 L L1 N
0.15 C A-B 2X C D
1
3
A2 SEATING PLANE 0.10 C NX A1
1. Plastic or metal protrusions of 0.25mm maximum per side are not included. 2. Plastic interlead protrusions of 0.25mm maximum per side are not included. 3. This dimension is measured at Datum Plane "H". 4. Dimensioning and tolerancing per ASME Y14.5M-1994. 5. Index area - Pin #1 I.D. will be located within the indicated zone (SOT23-6 only).
(L1)
H
6. SOT23-5 version has no center lead (shown as a dashed line).
A
GAUGE PLANE c L 0 +3 -0
0.25
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FN6155.4 August 29, 2008
ISL28166, ISL28266 Small Outline Package Family (SO)
A D N (N/2)+1 h X 45
A E E1 PIN #1 I.D. MARK c SEE DETAIL "X"
1 B
(N/2) L1
0.010 M C A B e C H A2 GAUGE PLANE A1 0.004 C 0.010 M C A B b DETAIL X
SEATING PLANE L 4 4
0.010
MDP0027
SMALL OUTLINE PACKAGE FAMILY (SO) INCHES SYMBOL A A1 A2 b c D E E1 e L L1 h N NOTES: 1. Plastic or metal protrusions of 0.006" maximum per side are not included. 2. Plastic interlead protrusions of 0.010" maximum per side are not included. 3. Dimensions "D" and "E1" are measured at Datum Plane "H". 4. Dimensioning and tolerancing per ASME Y14.5M-1994 SO-8 0.068 0.006 0.057 0.017 0.009 0.193 0.236 0.154 0.050 0.025 0.041 0.013 8 SO-14 0.068 0.006 0.057 0.017 0.009 0.341 0.236 0.154 0.050 0.025 0.041 0.013 14 SO16 (0.150") 0.068 0.006 0.057 0.017 0.009 0.390 0.236 0.154 0.050 0.025 0.041 0.013 16 SO16 (0.300") (SOL-16) 0.104 0.007 0.092 0.017 0.011 0.406 0.406 0.295 0.050 0.030 0.056 0.020 16 SO20 (SOL-20) 0.104 0.007 0.092 0.017 0.011 0.504 0.406 0.295 0.050 0.030 0.056 0.020 20 SO24 (SOL-24) 0.104 0.007 0.092 0.017 0.011 0.606 0.406 0.295 0.050 0.030 0.056 0.020 24 SO28 (SOL-28) 0.104 0.007 0.092 0.017 0.011 0.704 0.406 0.295 0.050 0.030 0.056 0.020 28 TOLERANCE MAX 0.003 0.002 0.003 0.001 0.004 0.008 0.004 Basic 0.009 Basic Reference Reference NOTES 1, 3 2, 3 Rev. M 2/07
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FN6155.4 August 29, 2008
ISL28166, ISL28266 Mini SO Package Family (MSOP)
0.25 M C A B D N A (N/2)+1
MDP0043
MINI SO PACKAGE FAMILY MILLIMETERS SYMBOL A A1 MSOP8 1.10 0.10 0.86 0.33 0.18 3.00 4.90 3.00 0.65 0.55 0.95 8 MSOP10 1.10 0.10 0.86 0.23 0.18 3.00 4.90 3.00 0.50 0.55 0.95 10 TOLERANCE Max. 0.05 0.09 +0.07/-0.08 0.05 0.10 0.15 0.10 Basic 0.15 Basic Reference NOTES 1, 3 2, 3 Rev. D 2/07 NOTES: 1. Plastic or metal protrusions of 0.15mm maximum per side are not included.
E
E1
PIN #1 I.D.
A2 b c
B
1 (N/2)
D E E1
e C SEATING PLANE 0.10 C N LEADS b
H
e L L1 N
0.08 M C A B
L1 A c SEE DETAIL "X"
2. Plastic interlead protrusions of 0.25mm maximum per side are not included. 3. Dimensions "D" and "E1" are measured at Datum Plane "H". 4. Dimensioning and tolerancing per ASME Y14.5M-1994.
A2 GAUGE PLANE L DETAIL X
0.25
A1
3 3
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporation's quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com 13
FN6155.4 August 29, 2008

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