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19-2008; Rev 0; 4/01
0.4, Low-Voltage, Single-Supply SPST Analog Switches in SC70
General Description
The MAX4715/MAX4716 are low on-resistance, lowvoltage, single-pole/single-throw (SPST) analog switches that operate from a +1.6V to +3.6V single supply. The MAX4715 is normally open (NO), and the MAX4716 is normally closed (NC). These devices also have fast switching speeds (tON = 18ns max, tOFF = 12ns max). When powered from a +3V supply, the MAX4715/ MAX4716 offer 0.4 max on-resistance (RON) with 0.1 max RON flatness. Their digital logic inputs are +1.8V CMOS compatible when using a single +3V supply. The MAX4715 is pin compatible with the MAX4594, and the MAX4716 is pin compatible with the MAX4595. The MAX4715/MAX4716 are available in SC70-5 packages. o Low RON 0.4 max (+3V Supply) 1.2 max (+1.8V Supply) o 0.1 max RON Flatness (+3V Supply) o +1.6V to +3.6V Single-Supply Operation o Available in 5-Pin SC70 Packages o Fast Switching: tON = 18ns max, tOFF = 12ns max o +1.8V CMOS Logic Compatible (+3V Supply) o Pin Compatible with MAX4594 (MAX4715) Pin Compatible with MAX4595 (MAX4716)
Features
MAX4715/MAX4716
Applications
Power Routing Battery-Operated Equipment Audio and Video Signal Routing Low-Voltage Data-Acquisition Systems Communications Circuits PCMCIA Cards Cellular Phones Modems Hard Drives
MAX4715EXK-T MAX4716EXK-T -40C to +85C -40C to +85C PART
Ordering Information
TEMP. RANGE PINPACKAGE 5 SC70-5 5 SC70-5 TOP MARK ACJ ACK
Pin Configurations/Functional Diagrams/Truth Tables
TOP VIEW MAX4715
COM 1 5 V+ COM 1
MAX4716
5 V+
NO 2
NC 2
GND 3
4
IN
GND
3
4
IN
SC70-5
MAX4715 LOGIC 0 1 SWITCH OFF ON
SC70-5
MAX4716 LOGIC 0 1 SWITCH ON OFF
SWITCHES SHOWN FOR LOGIC "0" INPUT.
________________________________________________________________ Maxim Integrated Products
1
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0.4, Low-Voltage, Single-Supply SPST Analog Switches in SC70 MAX4715/MAX4716
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to GND V+, IN .......................................................................-0.3V to +4V COM, NO, NC (Note 1).................................-0.3V to (V+ + 0.3V) Continuous Current NO, NC to COM .............................300mA Peak Switch Current NO, NC to COM (pulsed at 1ms, 10% duty cycle max) ....................... 600mA Continuous Power Dissipation (TA = +70C) 5-Pin SC70 (derate 3.1mW/C above +70C) ..............247mW Operating Temperature Range MAX471_EXK...................................................-40C to +85C Junction Temperature ......................................................+150C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) ................................ +300C
Note 1: Signals on NO, NC, or COM exceeding V+ or GND are clamped by internal diodes.
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--Single +3V Supply
(V+ = +2.7V to +3.6V, VIH = +1.4V, VIL = +0.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = +3.0V and TA = +25C.) (Notes 2, 3)
PARAMETER ANALOG SWITCH Analog Signal Range On-Resistance (Note 6) On-Resistance Flatness (Note 4) NO, NC Off-Leakage Current COM Off-Leakage Current COM On-Leakage Current DYNAMIC Turn-On Time Turn-Off Time Charge Injection Off-Isolation (Note 5) Total Harmonic Distortion NC or NO Off-Capacitance COM Off-Capacitance COM On-Capacitance tON tOFF Q VISO THD CNO(OFF) CNC(OFF) VNO or VNC = 1.5V, RL = 50, CL = 35pF, Figure 1 VNO or VNC = 1.5V, RL = 50, CL = 35pF, Figure 1 VGEN = 0, RGEN = 0, CL = 1.0nF, Figure 2 f = 1MHz, VCOM = 1VRMS, RL = 50, CL = 5pF, Figure 3 f = 20Hz to 20kHz, VCOM = 2VP-P, RL = 32 f = 1MHz, Figure 4 +25C TMIN to TMAX +25C TMIN to TMAX +25C +25C +25C +25C +25C +25C 20 -54 0.01 55 55 80 6 12 18 20 12 15 ns ns pC dB % pF pF pF SYMBOL VCOM, VNO, VNC RON RFLAT(ON) V+ = 2.7V, ICOM = 100mA, VNO or VNC = 1.5V V+ = 2.7V, ICOM = 100mA, VNO or VNC = 0.6, 1.5V, 2.1V +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX -1 -10 -1 -10 -2 -10 0.01 0.01 0.05 CONDITIONS TA MIN TYP MAX UNITS
0 0.3
V+ 0.4 0.45 0.09 0.1 1 10 1 10 2 10
V nA nA nA
INO(OFF) or V+ = 3.3V, VCOM = 0.3V, 3V INC(OFF) or VNO or VNC = 3V, 0.3V ICOM(OFF) ICOM(ON) V+ = 3.3V, VCOM = 0.3V, 3V VNO or VNC = 3V, 0.3V V+ = 3.3V, VCOM = 0.3V, 3V, VNO or VNC = 0.3V, 3V or floating
CCOM(OFF) f = 1MHz, Figure 4 CCOM(ON) f = 1MHz, Figure 4
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0.4, Low-Voltage, Single-Supply SPST Analog Switches in SC70
ELECTRICAL CHARACTERISTICS--Single +3V Supply (continued)
(V+ = +2.7V to +3.6V, VIH = +1.4V, VIL = +0.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = +3.0V and TA = +25C.) (Notes 2, 3)
PARAMETER LOGIC INPUT Input Voltage Low Input Voltage High Input Leakage Current SUPPLY Power-Supply Range Positive Supply Current SYMBOL VIL VIH IIN V+ I+ V+ = +3.6V, VIN = 0 or V+ +25C TMIN to TMAX VIN = 0 or V+ 1.4 -1 1.6 0.04 1 3.6 0.2 2 CONDITIONS TA MIN TYP MAX 0.5 UNITS V V A V A
MAX4715/MAX4716
ELECTRICAL CHARACTERISTICS--Single +1.8V Supply
(V+ = +1.8V, VIH = +1V, VIL = +0.4V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Notes 2, 3)
PARAMETER ANALOG SWITCH Analog Signal Range On-Resistance NO or NC Off-Leakage Current COM Off-Leakage Current COM On-Leakage Current DYNAMIC Turn-On Time Turn-Off Time Charge Injection tON tOFF Q VNO or VNC = 1.5V, RL = 50, CL = 35pF, Figure 1 VNO or VNC = 1.5V, RL = 50, CL = 35pF, Figure 1 VGEN = 0, RGEN = 0, CL = 1nF, Figure 2 +25C TMIN to TMAX +25C TMIN to TMAX +25C 40 9 18 25 30 20 25 ns ns pC SYMBOL VCOM, VNO, VNC RON INO(OFF)or INC(OFF) ICOM(OFF) ICOM(ON) ICOM = 10mA, VNO or VNC = 0.9V VCOM = 0.3V, 1.5V, VNO or VNC = 1.5V, 0.3V VCOM = 0.3V, 1.5V, VNO or VNC = 1.5V, 0.3V VCOM = 1.5V, 0.3V, VNO or VNC = 1.5V, 0.3V, or floating +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX -1 -10 -1 -10 -2 -10 CONDITIONS TA MIN TYP MAX UNITS
0 0.6
V+ 1.2 2.5 1 10 1 10 2 10
V nA nA nA
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0.4, Low-Voltage, Single-Supply SPST Analog Switches in SC70 MAX4715/MAX4716
ELECTRICAL CHARACTERISTICS--Single +1.8V Supply (continued)
(V+ = +1.8V, VIH = +1V, VIL = +0.4V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Notes 2, 3) PARAMETER SYMBOL CONDITIONS TA MIN TYP MAX UNITS
LOGIC INPUT Input Voltage Low Input Voltage High Input Leakage Current SUPPLY Positive Supply Current I+ VIN = 0 or V+ +25C TMIN to TMAX 0.04 0.2 2 A VIL VIH IIN VIN = 0 or V+ 1 1 0.4 V V A
Note 2: The algebraic convention, where the most negative value is a minimum and the most positive value a maximum, is used in this data sheet. Note 3: SC70-packaged parts are 100% tested at +25C. Limits across the full temperature range are guaranteed by design and correlation. Note 4: Flatness is defined as the difference between the maximum and minimum values of on-resistance as measured over the specified analog signal range. Note 5: Off-Isolation = 20log10 [VCOM / (VNC or VNO)], VCOM = output, VNC or VNO = input to off switch. Note 6: Guaranteed by design.
Typical Operating Characteristics
(TA = +25C, unless otherwise noted.)
ON-RESISTANCE vs. COM VOLTAGE OVER TEMPERATURE
MAX4715/16 toc01 MAX4715/16 toc02
ON-RESISTANCE vs. COM VOLTAGE
0.60 0.55 0.50 0.45 RON () 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 VCOM (V) V+ = +3.6V 0.1 V+ = +2.7V V+ = +3.0V V+ = +3.3V V+ = +2.0V RON () V+ = +1.8V ICOM = 100mA 0.4
TURN-ON/OFF TIMES vs. SUPPLY VOLTAGE
tON
MAX4715/16 toc03
18 16 14 12 10 tOFF
TA = +85C TA = +65C 0.3
TA = +25C
0.2
TA = 0C
TA = -20C TA = -40C
V+ = +2.7V ICOM = 100mA 0 0.5 1.0 1.5 VCOM (V) 2.0 2.5
tON/tOFF (ns)
8 RL = 50 6 1.0 1.5 2.0 2.5 3.0 3.5 SUPPLY VOLTAGE (V)
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0.4, Low-Voltage, Single-Supply SPST Analog Switches in SC70
Typical Operating Characteristics (continued)
(TA = +25C, unless otherwise noted.)
TURN-ON/OFF TIMES vs. TEMPERATURE
MAX4715/16 toc04
MAX4715/MAX4716
ON/OFF-LEAKAGE CURRENT vs. TEMPERATURE
MAX4715/16 toc05
CHARGE INJECTION vs. COM VOLTAGE
V+ = 3V CL = 1nF
MAX4715/16 toc06
13.0 tON
4.0 V+ = 3.3V 3.5 ON/OFF-LEAKAGE CURRENT (nA) 3.0 2.5 2.0 1.5 ICOM(OFF) 1.0 0.5 ICOM(ON)
140 120 100 Q (pC) 80 60 40 20 0 V+ = 1.8V CL = 1nF
12.5 tON/tOFF (ns)
V+ = +2.7V RL = 50 CL = 35pF
12.0
11.5 tOFF 11.0
10.5 -40 -20 0 20 40 60 80 TEMPERATURE (C)
0 -40 -20 40 TEMPERATURE (C) 0 20 60 80
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
VCOM (V)
FREQUENCY RESPONSE
MAX4715/16 toc07
TOTAL HARMONIC DISTORTION vs. FREQUENCY
1 RL = 32 V+ = 3V
MAX4715/16 toc09
LOGIC THRESHOLD VOLTAGE vs. SUPPLY VOLTAGE
1.1 1.0 0.9 0.8 0.7 0.6 0.5 VIN FALLING VIN RISING
MAX4715/16 toc08
20 ON-LOSS 0 -20
1.2 LOGIG THRESHOLD VOLTAGE (V)
0.1 LOSS (dB) THD (%) ON-PHASE OFF-ISOLATION -100 -120 10k 100k 1000k 1M 10M 100M FREQUENCY (Hz) 0.001 10 100 1k FREQUENCY (Hz) 10k 100k 0.01 -40 -60 -80
0.4 1.0 1.5 2.0 2.5 3.0 3.5 SUPPLY VOLTAGE (V)
Pin Description
PIN MAX4715 MAX4716 NAME COM NO NC GND IN V+ Analog Switch--Common Analog Switch--Normally Open Analog Switch--Normally Closed Ground Digital Control Input Positive Supply Input FUNCTION
1
2 -- 3 4 5
1
-- 2 3 4 5
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0.4, Low-Voltage, Single-Supply SPST Analog Switches in SC70 MAX4715/MAX4716
Detailed Description
The MAX4715/MAX4716 are low on-resistance (RON), low-voltage, single-pole/single-throw (SPST) analog switches that operate from a +1.6V to +3.6V single supply. The MAX4715 is normally open (NO), and the MAX4716 is normally closed (NC). When powered from a +3V supply, their 0.4 R ON allows high continuous currents to be switched in a variety of applications. with a +3.3V supply, IN may be driven low to GND and high to +3.6V. Driving IN Rail-to-Rail(R) minimizes power consumption.
Analog Signal Levels
Analog signals that range over the entire supply voltage (V+ to GND) can be passed with very little change in on-resistance (see Typical Operating Characteristics). The switches are bidirectional, so the NO, NC, and COM pins can be used as either inputs or outputs.
Applications Information
Logic Inputs
The MAX4715/MAX4716 logic inputs can be driven up to +3.6V regardless of the supply voltage. For example,
Rail-to-Rail is a registered trademark of Nippon Motorola Ltd.
Test Circuits/Timing Diagrams
MAX4715 MAX4716
VN_ NO OR NC V+ V+ COM RL 50 IN LOGIC INPUT GND SWITCH OUTPUT 0V t ON LOGIC INPUT VOUT CL 35pF VOUT 0.9 V0UT t OFF 0.9 x VOUT VINH VINL 50%
CL INCLUDES FIXTURE AND STRAY CAPACITANCE. RL VOUT = VN_ RL + RON
(
)
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES THAT HAVE THE OPPOSITE LOGIC SENSE.
Figure 1. Switching Time
V+ VOUT VOUT VOUT CL GND IN OFF ON Q = (V OUT )(C L ) IN DEPENDS ON SWITCH CONFIGURATION; INPUT POLARITY DETERMINED BY SENSE OF SWITCH. OFF IN OFF ON OFF
MAX4715 MAX4716
RGEN NO OR NC
V+ COM
V GEN
VINL to VINH
IN
Figure 2. Charge Injection
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0.4, Low-Voltage, Single-Supply SPST Analog Switches in SC70
Test Circuits/Timing Diagrams (continued)
+5V 10nF OFF-ISOLATION = 20log NETWORK ANALYZER 0V OR V+ IN V+ COM VIN 50 USE ONLY FOR ISOLATION VOUT 50 50 ON-LOSS = 20log VOUT VIN VOUT VIN
MAX4715/MAX4716
MAX4715 MAX4716
NO GND
MEAS
REF
50
50
MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS. OFF-ISOLATION IS MEASURED BETWEEN COM_ AND "OFF" NO_ OR NC_ TERMINAL ON EACH SWITCH. ON-LOSS IS MEASURED BETWEEN COM_ AND "ON" NO_ OR NC_TERMINAL ON EACH SWITCH. SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
Figure 3. On-Loss and Off-Isolation
10nF
V+
Chip Information
MAX4715 MAX4716
V+ COM
TRANSISTOR COUNT: 135 PROCESS: CMOS
IN CAPACITANCE METER f = 1MHz NC or NO GND
VINL OR VINH
Figure 4. Channel Off/On-Capacitance
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0.4, Low-Voltage, Single-Supply SPST Analog Switches in SC70 MAX4715/MAX4716
Package Information
SC70, 5L.EPS
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.
8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2001 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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