Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsInterface ICsInterface IC - analogue switches SO 16

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General Description

The MAX351/MAX352/MAX353 are precision, quad,

single-pole single-throw (SPST) analog switches. The

MAX351 has four normally closed (NC), and the MAX352

has four normally open (NO) switches. The MAX353 has

two NO and two NC switches. All three parts offer low on

resistance (less than 35Ω), guaranteed to match within 2Ω

between channels and to remain flat over the analog signal

range (∆3Ω max). 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 MAX351/MAX352/MAX353 are fabricated with Maxim’s

new improved 44V silicon-gate process. Design improve-

ments guarantee extremely low charge injection (10pC), low

power consumption (35µW), and electrostatic discharge

(ESD) greater than 2000V. The 44V maximum breakdown

voltage allows rail-to-rail analog signal handling.

These monolithic switches operate with a single positive

supply (+10V to +30V) or with split supplies (±4.5V to ±20V)

while retaining CMOS-logic input compatibility and fast

switching. CMOS inputs provide reduced input loading.

________________________Applications

Sample-and-Hold Circuits Military Radios

Guidance and Control Systems Communications Systems

Heads-Up Displays Battery-Operated Systems

Test Equipment PBX, PABX

____________________________Features

♦ Low On Resistance < 22Ω Typical (35Ω Max)

♦ Guaranteed Matched On Resistance Between

Channels < 2Ω

♦ Guaranteed Flat On Resistance Over Analog

Signal Range ∆3Ω Max

♦ Guaranteed Charge Injection < 10pC

♦ Guaranteed Off-Channel Leakage < 6nA at +85°C

♦ ESD Guaranteed > 2000V per Method 3015.7

♦ Single-Supply Operation (+10V to +30V)

Bipolar-Supply Operation (±4.5V to ±20V)

♦ TTL-/CMOS-Logic Compatibility

♦ Rail-to-Rail Analog Signal Handling Capability

MAX351/MAX352/MAX353

Precision, Quad, SPST Analog Switches

________________________________________________________________ Maxim Integrated Products 1

SWITCHES SHOWN FOR LOGIC "0" INPUT

DIP/SO

MAX352

LOGIC SWITCH

OFF

TOP VIEW

DIP/SO

MAX351

LOGIC SWITCH

OFF

DIP/SO

MAX353

LOGIC

SWITCHES

1, 4

OFF

SWITCHES

2, 3

OFF

IN2

COM2

NC2

V+

V-

NO1

COM1

IN1

MAX353

NC3

COM3

IN3

IN4

COM4

NO4

GND

IN2

COM2

NC2

V+

V-

NC1

COM1

IN1

MAX351

NC3

COM3

IN3

IN4

COM4

NC4

GND

IN2

COM2

NO2

V+

V-

NO1

COM1

IN1

MAX352

NO3

COM3

IN3

IN4

COM4

NO4

GND

Pin Configurations/Functional Diagrams/Truth Tables

19-0212; Rev 2; 9/01

Pin Configuration continued at end of data sheet.

Ordering Information continued at end of data sheet.

*Contact factory for availability and processing to MIL-STD-883.

Ordering Information

PART TEMP RANGE PIN-PACKAGE

MAX351CPE 0°C to +70°C 16 Plastic DIP

MAX351CSE 0°C to +70°C 16 Narrow SO

MAX351C/D 0°C to +70°C Dice*

MAX351EGE -40°C to +85°C 16 QFN

MAX351EPE -40°C to +85°C 16 Plastic DIP

MAX351ESE -40°C to +85°C 16 Narrow SO

MAX351EJE -40°C to +85°C 16 CERDIP

MAX351MJE -55°C to +125°C 16 CERDIP

Summary of content (13 pages)

PAGE 1
9-0212; Rev 2; 9/01 Precision, Quad, SPST Analog Switches These monolithic switches operate with a single positive supply (+10V to +30V) or with split supplies (±4.5V to ±20V) while retaining CMOS-logic input compatibility and fast switching. CMOS inputs provide reduced input loading.
PAGE 2
MAX351/MAX352/MAX353 Precision, Quad, SPST Analog Switches ABSOLUTE MAXIMUM RATINGS Voltage Referenced to VV+.......................................................................................44V GND ...................................................................................25V VL ................................................(GND - 0.3V) to (V+ + 0.3V) Digital Inputs, VCOM, VNC, VNO (Note 1) ...........(V- - 2V) to (V+ + 2V) .........................................................
PAGE 3
Precision, Quad, SPST Analog Switches (V+ = 15V, V- = -15V, VL = 5V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL Input Current with Input Voltage High IINH Input Current with Input Voltage Low IINL MIN TYP (Note 3) MAX IN_ = 2.4V, all others = 0.8V -0.500 0.005 0.500 µA IN_ = 0.8V, all others = 2.4V -0.500 0.005 0.500 µA ±20.
PAGE 4
MAX351/MAX352/MAX353 Precision, Quad, SPST Analog Switches ELECTRICAL CHARACTERISTICS—Single Supply (V+ = 12V, V- = 0V, VL = 5V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP (Note 3) MAX UNITS SWITCH Analog Signal Range Channel On Resistance VCOM_, VNO_, VNC RON (Notes 1, 4) 0 ICOM = -10mA, VNC_ or VNO_ = 3.8V, V+ = 10.8V TA = +25°C V+ = 13.2V, all channels on or off, VIN = 0V or 5V TA = +25°C -1 TA = TMAX -5 V+ = 13.
PAGE 5
Precision, Quad, SPST Analog Switches B 30 C V- = 0V 140 TA = +125°C 40 D 120 V+ = 5V TA = +85°C 30 100 80 20 20 V+ = 10V 60 V+ = 15V TA = +25°C 10 0 0 -10 10 0 -10 10 0 20 0 10 15 VCOM (V) VCOM (V) ON RESISTANCE vs. VCOM (SINGLE-SUPPLY) OFF LEAKAGE CURRENTS vs. TEMPERATURE ON LEAKAGE CURRENTS vs. TEMPERATURE 50 TA = +25°C 40 30 10 1 0.1 0.01 0.001 20 15 10 20 +25 0.01 +125 -55 TEMPERATURE (°C) CHARGE INJECTION vs.
PAGE 6
MAX351/MAX352/MAX353 Precision, Quad, SPST Analog Switches ______________________________________________________________Pin Description PIN DIP/SO QFN NAME FUNCTION 1, 16, 9, 8 15, 14, 7, 6 IN1–N4 2, 15, 10, 7 16, 13, 8, 5 COM1–COM4 Logic Control Input Analog Switch Common Terminal 3, 15, 11, 6 1, 12, 9, 4 NO or NC Analog Switch NO or NC Terminal 4 2 V- 5 3 GND 12 10 VL Logic Supply Voltage 13 11 V+ Positive-Supply Voltage Input—Connected To Substrate Negative-Supply Voltage I
PAGE 7
Precision, Quad, SPST Analog Switches +5V LOGIC INPUT t r < 20ns t f < 20ns +3V 50% VL COM1 SWITCH V COM1 INPUT 0V +15V SWITCH OUTPUT V+ NO1 OR NC1 VO RL 300Ω t OFF IN1 VO SWITCH OUTPUT 0V 0.9V0 0.9V0 LOGIC INPUT t ON GND V- 0V -15V CL 35pF REPEAT TEST FOR IN AND S, FOR LOAD CONDITIONS, SEE Electrical Characteristics CL INCLUDES FIXTURE AND STRAY CAPACITANCE. RL VO = VCOM RL + RON LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES THAT HAVE THE OPPOSITE LOGIC SENSE. ( ) Figure 2.
PAGE 8
MAX351/MAX352/MAX353 Precision, Quad, SPST Analog Switches _________________________________Test Circuits/Timing Diagrams (continued) RGEN +5V +15V VL V+ ∆VO VO COM NC OR NO VO IN OFF CL V GEN GND V- IN -15V IN VIN = +3V OFF ON ON OFF OFF Q = (∆V O )(C L ) IN DEPENDS ON SWITCH CONFIGURATION; INPUT POLARITY DETERMINED BY SENSE OF SWITCH. Figure 4. Charge-Injection Test Circuit C +15V +5V V+ VL SIGNAL GENERATOR 0dBm C SIGNAL GENERATOR 0dBm COM 0V, 2.
PAGE 9
Precision, Quad, SPST Analog Switches C +15V +5V V+ VL C COM +15V +5V V+ VL COM CAPACITANCE METER IN IN 2.4V CAPACITANCE METER 0V f = 1MHz NC OR NO f = 1MHz NC OR NO GND C V- GND V- -15V C -15V Figure 8. Channel-On Capacitance Test Circuit Figure 7.
PAGE 10
MAX351/MAX352/MAX353 Precision, Quad, SPST Analog Switches Ordering Information (continued) PART TEMP RANGE ___________________Chip Topography PIN-PACKAGE MAX352CPE 0°C to +70°C 16 Plastic DIP MAX352CSE 0°C to +70°C 16 Narrow SO MAX352C/D 0°C to +70°C Dice* MAX352EGE -40°C to +85°C 16 QFN MAX352EPE -40°C to +85°C 16 Plastic DIP MAX352ESE -40°C to +85°C 16 Narrow SO MAX352EJE -40°C to +85°C 16 CERDIP MAX352MJE -55°C to +125°C 16 CERDIP MAX353CPE 0°C to +70°C 16 Plastic DIP MAX
PAGE 11
Precision, Quad, SPST Analog Switches DIM D1 A A1 A2 A3 B B1 C D D1 E E1 e eA eB L α E E1 D A3 A A2 INCHES MAX MIN 0.200 – – 0.015 0.150 0.125 0.080 0.055 0.022 0.016 0.065 0.050 0.012 0.008 0.765 0.745 0.030 0.005 0.325 0.300 0.280 0.240 0.100 BSC 0.300 BSC 0.400 – 0.150 0.115 15˚ 0˚ MILLIMETERS MIN MAX – 5.08 0.38 – 3.18 3.81 1.40 2.03 0.41 0.56 1.27 1.65 0.20 0.30 18.92 19.43 0.13 0.76 7.62 8.26 6.10 7.11 2.54 BSC 7.62 BSC – 10.16 2.92 3.
PAGE 12
MAX351/MAX352/MAX353 Precision, Quad, SPST Analog Switches Package Information (continued) (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.) DIM S1 S E1 E D A A B B1 C D E E1 e L L1 Q S S1 α INCHES MAX MIN 0.200 – 0.023 0.014 0.065 0.038 0.015 0.008 0.840 – 0.310 0.220 0.320 0.290 0.100 BSC 0.200 0.125 – 0.150 0.060 0.015 0.080 – – 0.005 15˚ 0˚ MILLIMETERS MIN MAX – 5.08 0.36 0.
PAGE 13
Precision, Quad, SPST Analog Switches 32L QFN .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.