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MAX318CSAMAXIM ?N/a7avaiPrecision, CMOS Analog Switches
MAX318ESAMAXN/a163avaiPrecision, CMOS Analog Switches
MAX319CSAMAXIMN/a3177avaiPrecision, CMOS Analog Switches
MAX319CSAN/a50avaiPrecision, CMOS Analog Switches
MAX317CPAMAXIMN/a4avaiPrecision, CMOS Analog Switches
MAX317CSAMAXIMN/a8000avaiPrecision, CMOS Analog Switches
MAX317ESAMAXIMN/a3000avaiPrecision, CMOS Analog Switches
MAX318CPAMAXIMN/a23avaiPrecision, CMOS Analog Switches
MAX318CSAMAXIMN/a13avaiPrecision, CMOS Analog Switches
MAX319MJAMAXIMN/a1000avaiPrecision, CMOS Analog Switches
MAX319CPAMAXIMN/a50avaiPrecision, CMOS Analog Switches
MAX319CPAMAXIM ?N/a38avaiPrecision, CMOS Analog Switches
MAX318CSAMAXN/a214avaiPrecision, CMOS Analog Switches
MAX318EPAMAXIM ?N/a5avaiPrecision, CMOS Analog Switches
MAX318ESAMAXIMN/a100avaiPrecision, CMOS Analog Switches
MAX319CSAMAXIM ?N/a42avaiPrecision, CMOS Analog Switches
MAX319CSAMAXN/a235avaiPrecision, CMOS Analog Switches
MAX319CSAMAXIN/a300avaiPrecision, CMOS Analog Switches


MAX317CSA ,Precision, CMOS Analog SwitchesApplicationsMAX317CPA 0°C to +70°C 8 Plastic DIPSample-and-Hold CircuitsMAX317CSA 0°C to +70°C 8 SO ..
MAX317ESA ,Precision, CMOS Analog SwitchesApplicationsMAX317CPA 0°C to +70°C 8 Plastic DIPSample-and-Hold CircuitsMAX317CSA 0°C to +70°C 8 SO ..
MAX3180EUK ,±15kV ESD-Protected, 0.5µA, +3V to +5.5V, 1.5Mbps RS-232 Receivers in SOT23-5applications requiring automatic system wake-up. TheMAX3182E/MAX3183E have a noninverting output,' ..
MAX3180EUK+T ,±15kV ESD-Protected, 0.5µA, +3V to +5.5V, 1.5Mbps RS-232 Receivers in SOT23-5applications requiring minimal RS-232±15kV—Human Body Modelcommunications. The receiver inputs are ..
MAX3181EEUK-T ,【15kV ESD-Protected, 0.5レA, +3V to +5.5V, 1.5Mbps RS-232 Receivers in SOT23-5Applications Ordering InformationDiagnostic PortsPIN- TOPPART TEMP. RANGEPACKAGE MARKTelecommunicat ..
MAX3181EUK ,±15kV ESD-Protected, 0.5µA, +3V to +5.5V, 1.5Mbps RS-232 Receivers in SOT23-5Applications Ordering InformationDiagnostic PortsPIN- TOPPART TEMP. RANGEPACKAGE MARKTelecommunicat ..
MAX6409BS35-T ,Voltage Detectors in 4-Bump (2 X 2) Chip-Scale Package
MAX640CSA ,5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters
MAX640CSA ,5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters
MAX640CSA+ ,5V/3.3V/3V Adjustable, High-Efficiency, Low-IQ, Step-Down DC-DC ConvertersMAX639/MAX640/MAX65319-4505; Rev 3; 8/975V/3.3V/3V/Adjustable, High-Efficiency, Low I , Step-Down D ..
MAX640CSA+ ,5V/3.3V/3V Adjustable, High-Efficiency, Low-IQ, Step-Down DC-DC ConvertersGeneral Description ________
MAX640ESA ,5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters


MAX317CPA-MAX317CSA-MAX317ESA-MAX318CPA-MAX318CSA-MAX318EPA-MAX318ESA-MAX319CPA-MAX319CSA-MAX319MJA
Precision, CMOS Analog Switches
_______________General Description
The MAX317/MAX318/MAX319 are precision, CMOS,
monolithic analog switches. The single-pole single-
throw (SPST) MAX317 is normally closed (NC), the
SPST MAX318 is normally open (NO), and the single-
pole double-throw (SPDT) MAX319 has one normally
open and one normally closed switch. All three parts
offer low on resistance (less than 35Ω), guaranteed to
match within 2Ωbetween channels and to remain flat
over the analog signal range (Δ3Ωmax). They also
offer low leakage (less than 250pA at +25°C and less
than 6nA at +85°C) and fast switching (turn-on time
less than 175ns and turn-off time less than 145ns).
The MAX317/MAX318/MAX319 are fabricated with
Maxim’s new improved silicon-gate process. Design
improvements guarantee extremely low charge injec-
tion (10pC), low power consumption (35µW), and elec-
trostatic discharge (ESD) greater than ±2000V. The
44V maximum breakdown voltage allows rail-to-rail ana-
log signal handling capability.
________________________Applications

Sample-and-Hold Circuits
Guidance and Control Systems
Heads-Up Displays
Test Equipment
Military Radios
Communications Systems
Battery-Powered Systems
PBX, PABX
____________________________Features
Low On Resistance <20ΩTypical (35ΩMax)Guaranteed Matched On Resistance Between
Channels <2Ω
Guaranteed Flat On Resistance over Analog
Signal Range Δ3ΩMax
Guaranteed Charge Injection <10pCGuaranteed Off-Channel Leakage <6nA at +85°CESD Guaranteed > 2000V per Method 3015.7Single-Supply Operation (+10V to +30V)
Bipolar-Supply Operation (±4.5V to ±20V)
TTL-/CMOS-Logic CompatibleRail-to-Rail Analog Signal Handling Capability
______________Ordering Information
MAX317/MAX318/MAX319
Precision, CMOS Analog Switches
_______________________________________________________________________Maxim Integrated Products1
Call toll free 1-800-998-8800 for free samples or literature.

19-0185; Rev 1; 11/94
Ordering Information continued on last page.

* Contact factory for dice specifications.
_____________________Pin Configurations/Functional Diagrams/Truth Tables
MAX317/MAX318/MAX319
Precision, CMOS Analog Switches________________________________________________________________________________________________
ELECTRICAL CHARACTERISTICS — Dual Supplies

(V+ = 15V, V- = -15V, VL= 5V, GND = 0V, VINL= 0.8V, VINH= 2.4V, TA= TMIN to TMAX, unless otherwise noted.)
ABSOLUTE MAXIMUM RATINGS

Voltage Referenced to V-
V+....................................................................................+44V
GND................................................................................+25V
VL.................................................(GND - 0.3V) to (V+ + 0.3V)
IN, COM, NC, NO....................(V- - 2V) to (V+ + 2V) or 30mA,
whichever occurs first
Continuous Current (any terminal).....................................30mA
Peak Current, NC, NO, COM
(pulsed at 1ms, 10% duty cycle max)..........................100mA
ESD.................................................................................±2000V
Continuous Power Dissipation (TA= +70°C) (Note 1)
Plastic DIP (derate 9.09mW/°C above +70°C)............727mW
SO (derate 5.88mW/°C above +70°C)........................471mW
CERDIP (derate 8.00mW/°C above +70°C)................640mW
Operating Temperature Ranges:
MAX31_C_ _.......................................................0°C to +70°C
MAX31_E_ _....................................................-40°C to +85°C
MAX31_MJA..................................................-55°C to +125°C
Storage Temperature Range............................-55°C to +150°C
Lead Temperature (soldering, 10sec)............................+300°C
Note 1:
All leads are soldered or welded to PC board.
MAX317/MAX318/MAX319
Precision, CMOS Analog Switches
_______________________________________________________________________________________3
ELECTRICAL CHARACTERISTICS — Dual Supplies (continued)

(V+ = 15V, V- = -15V, VL= 5V, GND = 0V, VINL= 0.8V, VINH= 2.4V, TA= TMIN to TMAX, unless otherwise noted.)
MAX317/MAX318/MAX319
Precision, CMOS Analog Switches_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS — Single Supply

(V+ = 12V, V- = 0V, VL= 5V, GND = 0V, VINH= 2.4V, VINL= 0.8V, TA= +25°C, unless otherwise noted.)
Note 2:
Typical values are for design aid only,not guaranteed, not subject to production testing.
Note 3:
Guaranteed by design.
Note 4:
On resistance match between channels and flatness are guaranteed only with bipolar-supply operation.
Note 5:
Off Isolation = 20log10(VCOM ),VCOM= output, VNC or VNO= input to off switch.
VNCor VNONote 6:Between any two switches.
MAX317/MAX318/MAX319
Precision, CMOS Analog Switches
_______________________________________________________________________________________5

ON RESISTANCE vs. VCOM AND
POWER-SUPPLY VOLTAGE
MAX317-01
VCOM (V)
ON RESISTANCE vs. VCOM AND
TEMPERATURE
MAX317-02
VCOM (V)
ON RESISTANCE vs. VCOM AND
TEMPERATURE
MAX317-03
VCOM (V)20
ON RESISTANCE vs. VCOM
(SINGLE-SUPPLY)
MAX317-04
VCOM (V)20
CHARGE INJECTION vs.
ANALOG VOLTAGE
MAX317-07
VCOM (V)
Q (pC)
OFF LEAKAGE CURRENTS vs.
TEMPERATURE
MAX317-05
TEMPERATURE (°C)
OFF LEAKAGE
+25+125
ON LEAKAGE CURRENTS vs.
TEMPERATURE
MAX317-06
TEMPERATURE (°C)
ON LEAKAGE
+25+125
SUPPLY CURRENT vs. TEMPERATURE
MAX317-08
TEMPERATURE (°C)
I+, I-, I
+25+125
__________________________________________Typical Operating Characteristics
(TA = +25°C, unless otherwise noted).
MAX317/MAX318/MAX319
Precision, CMOS Analog Switches_______________________________________________________________________________________
_______________________________________________________________________Pin Description
__________Applications Information
Operation with Supply Voltages
Other Than ±15V

The main limitation of supply voltages other than ±15V
is analog signal range reduction. The MAX317/
MAX318/MAX319 switches operate with bipolar sup-
plies of ±5V to ±20V. Typical Operating Characteristics
graphs show typical on resistance for ±15V, ±10V, and
±5V supplies. Switching times increase by a factor of
two or more for operation at ±5V. The
MAX317/MAX318/MAX319 can operate from unipolar
supplies of +10V to +30V. Both parts can also operate
from unbalanced supplies such as +24V and -5V.
Connect V- to 0V when operating with a single supply.
This means that VL must be connected to +5V to be
TTL compatible, or to V+ for CMOS logic input levels.
Overvoltage Protection

Proper power-supply sequencing is recommended for
all CMOS devices. It is important not to exceed the
absolute maximum ratings because stresses beyond
the listed ratings may cause permanent damage to the
devices. Always sequence V+ on first, followed by VL,
V-, and logic inputs. If power-supply sequencing is not
possible, protect the devices from overvoltage by
adding two small signal diodes in series with the sup-
ply pins (Figure 1). Adding the diodes reduces the
analog signal range to 1V below V+ and 1V below V-,
but low switch resistance and low leakage characteris-
tics are unaffected. Device operation is unchanged,
and the difference between V+ to V- should not exceed
+44V.
Figure 1. Overvoltage Protection Using Blocking Diodes
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