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AVAILABLE
MAX391/MAX392/MAX393
Precision, Quad, SPST Analog Switches
_______________General Description
The MAX391/MAX392/MAX393 are precision, quad,
single-pole/single-throw (SPST) analog switches
designed to operate at +3V, +5V, or ±5V. The MAX391
has four normally closed (NC) switches, and the
MAX392 has four normally open (NO) switches. The
MAX393 has two NO and two NC switches. All three
devices offer low leakage (100pA max) and fast switch-
ing speeds (tON 130ns, tOFF 75ns). Power con-
sumption is just 1µW—ideal for battery-operated equip-
ment. All devices operate from a single +3V to +15V
supply or from dual ±3.0V to ±8V supplies.
With ±5V supplies, the MAX391/MAX392/MAX393 offer
guaranteed 2Ω max channel-to-channel matching, 30Ω
max on-resistance (RON), and 4Ω max RON flatness
over the specified range.
These switches are also fully specified for single +5V
operation, with 2Ω max RON match, 60Ω max RON, and
6Ω max flatness.
These low-voltage switches also offer 5pC max charge
injection, and ESD protection is greater than 2000V, per
method 3015.7.
________________________Applications
Battery-Operated Systems Sample-and-Hold Circuits
Heads-Up Displays
Guidance and Control Systems
Audio and Video Switching Military Radios
Test Equipment
Communications Systems
±5V DACs and ADCsFuncPtBiXo, PnAaBXl Diagrams
____________________________Features
Low On-Resistance, 20Ω Typical
Guaranteed On-Resistance Match Between
Channels, < 2Ω
Guaranteed On-Resistance Flatness Over Signal
Range, 4Ω Max
Guaranteed Charge Injection, < 5pC
Improved Leakage Over Temperature,
< 2.5nA at +85°C
Electrostatic Discharge > 2000V per Method
3015.7
Single-Supply Operation (+3V to +15V)
Bipolar-Supply Operation (±3V to ±8V)
Low Power Consumption, < 1µW
TTL/CMOS-Logic Compatible
Ordering Information
PART
TEMP RANGE
MAX391CPE 0°C to +70°C
MAX391CSE 0°C to +70°C
MAX391CUE 0°C to +70°C
MAX391CGE 0°C to +70°C
MAX391C/D 0°C to +70°C
MAX391EPE -40°C to +85°C
PIN-
PACKAGE
16 Plastic DIP
16 Narrow SO
16 TSSOP
16 QFN-EP
Dice*
16 Plastic DIP
PKG
CODE
P16-1
S16-2
U16-2
G1644-1
P16-1
Ordering Information continued on last page.
*Contact factory for dice specifications.
EP = Exposed pad.
_____________________Pin Configurations/Functional Diagrams/Truth Tables
TOP VIEW
IN1 1
COM1 2
NC1 3
V- 4
GND 5
NC4 6
COM4 7
IN4 8
MAX391
16 IN2
15 COM2
14 NC2
13 V+
12 N.C.
11 NC3
10 COM3
9 IN3
IN1 1
COM1 2
NO1 3
V- 4
GND 5
NO4 6
COM4 7
IN4 8
MAX392
16 IN2
15 COM2
14 NO2
13 V+
12 N.C.
11 NO3
10 COM3
9 IN3
DIP/SO
DIP/SO
MAX391
MAX392
LOGIC
SWITCH
Pin Configurations appear a0t end of dONata sheet.
Functional Diagrams continu1 ed at enOdFF of data sheet.
LOGIC
0
1
SWITCH
OFF
ON
UCSP is a tradeNm.C.a= rNkO CoOfNMNECaTxim Integrated Products, Inc. SWITCHES SHOWN FOR LOGIC "0" INPUT
IN1 1
COM1 2
NO1 3
V- 4
GND 5
NO4 6
COM4 7
IN4 8
MAX393
16 IN2
15 COM2
14 NC2
13 V+
12 N.C.
11 NC3
10 COM3
9 IN3
LOGIC
0
1
DIP/SO
MAX393
SWITCHES
1, 4
OFF
ON
SWITCHES
2, 3
ON
OFF
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-0236; Rev 3; 8/06

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MAX391/MAX392/MAX393
Precision, Quad, SPST Analog Switches
ABSOLUTE MAXIMUM RATINGS
Voltage Referenced to V-
V+ .......................................................................-0.3V to +17V
GND....................................................................-0.3V to +17V
GND..........................................................-0.3V to (V+ + 0.3V)
VIN_, VCOM_, VNC_, VNO_ (Note 1) ..................................V- to V+
Current (any terminal) .........................................................30mA
Peak Current, COM_, NO_, NC_
(pulsed at 1ms, 10% duty cycle max) ..........................100mA
ESD per Method 3015.7 .................................................> 2000V
Continuous Power Dissipation (TA = +70°C)
Plastic DIP (derate 10.53mW/°C above+70°C) ...........842mW
Narrow SO (derate 8.70mW/°C above +70°C) ............696mW
TSSOP (derate 6.7mW/°C above +70°C) ....................457mW
CERDIP (derate 10.00mW/°C above +70°C) ...............800mW
QFN (derate 18.5mW/°C above +70°C) ....................1481mW
Operating Temperature Ranges
MAX39_C_ _ .......................................................0°C to +70°C
MAX39_E_ _.....................................................-40°C to +85°C
MAX39_M_ _ ..................................................-55°C to +125°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Note 1: Signals on NC_, NO_, COM_, or IN_ exceeding V+ or V- are clamped by internal diodes. Limit forward diode current to maxi-
mum 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—Dual Supplies
(V+ = +5V ±10%, V- = -5V ±10%, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
(Note 2)
ANALOG SWITCH
Analog Signal Range
On-Resistance
VCOM_,
VNO_,
VNC_
RON
(Note 3)
V+ = 4.5V,
V- = -4.5V,
ICOM_ = -10mA,
VNO_ or VNC_ = ±3.5V
TA =
+25°C
C, E
M
TA = TMIN to TMAX
V- V+
20 35
20 30
45
UNITS
V
Ω
On-Resistance Match Between
Channels (Note 4)
ΔRON
V+ = 5V, V- = -5V,
ICOM_ = -10mA,
VNO_ or VNC_ = ±3V
TA = +25°C
TA = TMIN to TMAX
0.3 2
4
Ω
On-Resistance Flatness
(Note 5)
V+ = 5V, V- = -5V,
RFLAT(ON) ICOM_ = -10mA,
VNO_ or VNC_ = ±3V
TA = +25°C
TA = TMIN to TMAX
NO or NC Off-Leakage Current
(Note 6)
COM Off-Leakage Current
(Note 6)
COM On-Leakage Current
(Note 6)
INO(OFF)
or
INC(OFF)
V+ = 5.5V,
V- = -5.5V,
VCOM_ = ±4.5V,
VNO_ or VNC_ = 4.5V
ICOM(OFF)
V+ = 5.5V,
V- = -5.5V,
VCOM_ = ±4.5V,
VNO_ or VNC_ = 4.5V
ICOM(ON)
V+ = 5.5V,
V- = -5.5V,
VCOM_ = ±4.5V,
VNO_ or VNC_ = ±4.5V
TA = +25°C
TA = TMIN C, E
to TMAX M
TA = +25°C
TA = TMIN C, E
to TMAX M
TA = +25°C
TA = TMIN C, E
to TMAX M
14
6
-0.1 ±0.01 +0.1
-2.5 +2.5
-5 +5
-0.1 ±0.01 +0.1
-2.5 +2.5
-5 +5
-0.2 ±0.01 +0.2
-5.0 +5.0
-20 +20
Ω
nA
nA
nA
2 Maxim Integrated

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MAX391/MAX392/MAX393
Precision, Quad, SPST Analog Switches
ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)
(V+ = +5V ±10%, V- = -5V ±10%, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
LOGIC INPUT
Input Current with Input-
Voltage High
Input Current with Input-
Voltage Low
DYNAMIC
Turn-On Time
Turn-Off Time
Break-Before-Make
Time Delay (Note 3)
Charge Injection
(Note 3)
Off-Isolation (Note 7)
Crosstalk (Note 8)
IINH
IINL
tON
tOFF
tD
Q
OIRR
IN = 2.4V, all others = 0.8V
IN = 0.8V, all others = 2.4V
VCOM_ = ±3V, Figure 2
VCOM_ = ±3V, Figure 2
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
MAX393 only, RL = 300Ω, CL = 35pF, Figure 3
CL = 1.0nF, VGEN = 0V,
RGEN = 0Ω, Figure 4
RL = 50Ω, CL = 5pF,
f = 1MHz, Figure 5
RL = 50Ω, CL = 5pF,
f = 1MHz, Figure 6
TA = +25°C
TA = +25°C
TA = +25°C
MIN TYP
(Note 2)
MAX
UNITS
-0.5 ±0.005 +0.5
-0.5 ±0.005 +0.5
µA
µA
65 130
ns
175
35 75
ns
100
5 10
ns
2 5 pC
72 dB
85 dB
NC or NO Capacitance C(OFF) f = 1MHz, Figure 7
TA = +25°C
9 pF
COM Off-Capacitance CCOM(OFF) f = 1MHz, Figure 7
TA = +25°C
9 pF
COM On-Capacitance CCOM(ON) f = 1MHz, Figure 8
SUPPLY
Power-Supply Range
V+ = 5.5V, V- = -5.5V,
Positive Supply Current I+ VIN = 0V or V+,
all channels on or off
Negative Supply
Current
V+ = 5.5V, V- = -5.5V,
I- VIN = 0V or V+,
all channels on or off
TA = +25°C
TA = TMIN to TMAX
TA = TMIN to TMAX
22 pF
-8.0
+8.0
V
-1 +1 µA
-1 +1 µA
Maxim Integrated
3

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MAX391/MAX392/MAX393
Precision, Quad, SPST Analog Switches
ELECTRICAL CHARACTERISTICS—Single +5V Supply
(V+ = +5V ±10%, V- = 0V ±10%, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
ANALOG SWITCH
SYMBOL
CONDITIONS
MIN TYP
(Note 2)
MAX
UNITS
Analog Signal Range
On-Resistance
On-Resistance Match
Between Channels (Note 4)
On-Resistance Flatness
(Notes 3, 5)
NO or NC Off-Leakage
Current (Note 9)
COM Off-Leakage Current
(Note 9)
COM On-Leakage Current
(Note 9)
DYNAMIC
Turn-On Time
Turn-Off Time
Break-Before-Make Time
Delay (Note 3)
Charge Injection
(Note 3)
SUPPLY
VCOM_,
VNO_,
VNC_
(Note 3)
RON
ΔRON
RFLAT(ON)
V+ = 4.5V,
ICOM_ = -10mA,
VNO_ or VNC_ = 3.5V
V+ = 5V,
ICOM_ = -1.0mA,
VNO_ or VNC_ = 3V
V+ = 5V,
ICOM_ = -1.0mA,
VNO_ or VNC_ = 1V, 3V
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
INO(OFF)
or
INC(OFF)
V+ = 5.5V,
VCOM_ = 0V,
VNO_ or VNC_ = 4.5V
TA = +25°C
TA = TMIN C, E
to TMAX M
V+ = 5.5V,
ICOM(OFF) VCOM_ = 0V,
VNO_ or VNC_ = 4.5V
TA = +25°C
TA = TMIN C, E
to TMAX M
ICOM(ON)
V+ = 5.5V,
VCOM_ = 5V,
VNO_ or VNC_ = 4.5V
TA = +25°C
TA = TMIN C, E
to TMAX M
tON
tOFF
tD
Q
VNO_ or VNC_ = 3V
VNO_ or VNC_ = 3V
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
MAX393 only, RL = 300Ω, CL = 35pF
CL = 1.0nF, VGEN = 0V,
RGEN = 0V, Figure 4
TA = +25°C
0 V+ V
-0.25
-0.1
-2.5
-0.1
-2.5
-5.0
-0.2
-5.0
-20
30
0.8
2
±0.01
60
75
2
4
6
8
+0.25
+0.1
+2.5
+0.1
+2.5
+5.0
+0.2
+5.0
+20
Ω
Ω
Ω
nA
nA
nA
85 170
ns
240
25 50
ns
100
10 ns
1 5 pC
Positive Supply Current
I+ V+ = 5.5V, VIN = 0V or V+, all channels on or off -1
+1 µA
Negative Supply Current
I- V+ = 5.5V, VIN = 0V or V+, all channels on or off -1
+1 µA
4 Maxim Integrated

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MAX391/MAX392/MAX393
Precision, Quad, SPST Analog Switches
ELECTRICAL CHARACTERISTICS—Single +3.3V Supply
(V+ = +3.0V to +3.6V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
ANALOG SWITCH
SYMBOL
CONDITIONS
MIN TYP
(Note 2)
Analog Signal Range
Channel On-Resistance
DYNAMIC
Turn-On Time (Note 3)
Turn-Off Time (Note 3)
Break-Before-Make Time
Delay (Note 3)
Charge Injection (Note 3)
SUPPLY
VCOM_,
VNO_,
VNC_
RON
(Note 3)
V+ = 3V,
ICOM_ = -1.0mA,
VNO_ or VNC_ = 1.5V
TA = +25°C
TA = TMIN to TMAX
tON
tOFF
tD
Q
VNO_ or VNC_ = 1.5V
VNO_ or VNC_ = 1.5V
MAX393 only,
RL = 300Ω, CL = 35pF
CL = 1.0nF,
VGEN = 0V, RGEN = 0V
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = +25°C
0
83
160
40
20
1
MAX
V+
175
275
400
500
125
175
5
UNITS
V
Ω
ns
ns
ns
pC
Positive Supply Current
I+ V+ = 3.6V, VIN = 0V or V+, all channels on or off -1
+1 µA
Negative Supply Current
I- V+ = 3.6V, VIN = 0V or V+, all channels on or off -1
+1 µA
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
The algebraic convention, where the most negative value is a minimum and the most positive value a maximum, is used in
this data sheet.
Guaranteed by design.
ΔRON = ΔRON max - ΔRON min.
Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the
specified analog signal range.
Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at +25°C.
Off-isolation = 20 log10 [ VCOM_ ⁄ (VNC_ or VNO_) ], VCOM_ = output, VNC_ or VNO_ = input to off switch.
Between any two switches.
Leakage testing at single supply is guaranteed by testing with dual singles.
Maxim Integrated
5