MAX350EAP+ Maxim Integrated Products, MAX350EAP+ Datasheet

MAX350EAP+

Manufacturer Part Number

MAX350EAP+

Description

IC MULTIPLEXER DUAL 4X1 20SSOP

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX350CPN.pdf (20 pages)

Specifications of MAX350EAP+

Function

Multiplexer

Circuit

2 x 4:1

On-state Resistance

100 Ohm

Voltage Supply Source

Single, Dual Supply

Voltage - Supply, Single/dual (±)

2.7 V ~ 16 V, ±2.7 V ~ 8 V

Current - Supply

1µA

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

20-SSOP

Product

Multiplexer

Number Of Lines (input / Output)

4.0 / 1.0

Supply Voltage (max)

16 V

Supply Voltage (min)

2.7 V

Maximum Operating Temperature

+ 85 C

Minimum Operating Temperature

- 40 C

Mounting Style

SMD/SMT

Number Of Input Lines

4.0

Number Of Output Lines

1.0

Power Dissipation

640 mW

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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The MAX349/MAX350 are 8-channel and dual 4-channel

serially controlled multiplexers (muxes). These muxes

conduct equally well in either direction. On-resistance

(100Ω max) is matched between switches to 16Ω max

and is flat (10Ω max) over the specified signal range.

These CMOS devices can operate continuously with

dual power supplies ranging from ±2.7V to ±8V or a sin-

gle supply between +2.7V and +16V. Each mux can

handle rail-to-rail analog signals. The off-leakage current

is only 0.1nA at +25°C or 5nA at +85°C.

Upon power-up, all switches are off and the internal

shift registers are reset to zero.

The serial interface is compatible with SPI™/QSPI™

and MICROWIRE™. Functioning as a shift register, it

allows data (at DIN) to be clocked in synchronously

with the rising edge of clock (SCLK). The shift register’s

output (DOUT) enables several MAX349s or MAX350s

to be daisy chained.

All digital inputs have 0.8V or 2.4V logic thresholds,

ensuring both TTL and CMOS-logic compatibility when

using ±5V supplies or a single +5V supply.

________________________Applications

19-0451; Rev 1; 10/98

Serial Data-Acquisition

Systems

Avionics

Audio Signal Routing

Pin Configurations continued at end of data sheet.

SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp.

Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

N.C. = NOT INTERNALLY

CONNECTED

SCLK

COM

________________________________________________________________ Maxim Integrated Products

GND

NO0

NO1

NO2

NO3

DIN

V+

8-Channel/Dual 4-Channel Multiplexers

General Description

Industrial and Process-

Control Systems

ATE Equipment

Networking

DIP/SO

MAX349

LOGIC

Serially Controlled, Low-Voltage,

RESET

DOUT

V-

N.C.

NO7

NO5

NO4

NO6

Pin Configurations/Functional Diagrams

TOP VIEW

____________________________Features

Ordering Information continued at end of data sheet.

*Contact factory for dice specifications.

MAX349CPN

MAX349CWN

MAX349CAP

MAX349C/D

SPI/QSPI, MICROWIRE-Compatible Serial

Interface

8 Separately Controlled SPST Switches

Single 8-to-1 Mux (MAX349)

Dual 4-to-1 Mux (MAX350)

100Ω Signal Paths with ±5V Supplies

Rail-to-Rail

Asynchronous RESET Input

±2.7V to ±8V Dual Supplies

+2.7V to +16V Single Supply

>2kV ESD Protection per Method 3015.7

TTL/CMOS-Compatible Inputs (with +5V or ±5V

Supplies)

PART

COMA

NO0A

NO1A

NO2A

NO3A

SCLK

GND

DIN

V+

Signal Handling

TEMP. RANGE

0°C to +70°C

Ordering Information

DIP/SO

MAX350

LOGIC

18 Plastic DIP

18 Wide SO

20 SSOP

Dice*

PIN-PACKAGE

RESET

DOUT

V-

COMB

NO0B

NO1B

NO2B

NO3B

Related parts for MAX350EAP+

MAX350EAP+ Summary of contents

Page 1

... Pin Configurations continued at end of data sheet. SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. ...

Page 2

Serially Controlled, Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers ABSOLUTE MAXIMUM RATINGS Voltages Referenced to GND V+ ...........................................................................-0.3V, +17V V- ............................................................................-17V, +0. V-...................................................................-0.3V, +17V CS, DIN, DOUT, RESET .................-0.3V to (V+ + 0.3V) SCLK, NO, COM .................................................(V- - 2V) to (V+ ...

Page 3

Multiplexers ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) (V+ = +4.5V to +5.5V -4.5V to -5.5V, T PARAMETER SYMBOL COM On-Leakage Current I (Note 3) DIGITAL I/O DIN, SCLK, CS, RESET Input Voltage Logic Threshold High DIN, SCLK, CS, ...

Page 4

Serially Controlled, Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers TIMING CHARACTERISTICS—Dual Supplies (Figure 1) (V+ = +4.5V to +5.5V -4.5V to -5.5V, T PARAMETER SYMBOL SERIAL DIGITAL INTERFACE SCLK Frequency f Cycle Time Lead Time CS Lag Time ...

Page 5

Multiplexers ELECTRICAL CHARACTERISTICS—Single +5V Supply (V+ = +4.5V to +5.5V 0V MIN PARAMETER SYMBOL ANALOG SWITCH Analog Signal Range V COM-NO On-Resistance NO Off-Leakage Current (Notes 4, 5) COM Off-Leakage Current I ...

Page 6

Serially Controlled, Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued) (V+ = +4.5V to +5.5V 0V MIN PARAMETER SYMBOL SWITCH DYNAMIC CHARACTERISTICS Turn-On Time Turn-Off Time Break-Before-Make Delay Charge Injection (Note 4) Off-Isolation ...

Page 7

Multiplexers TIMING CHARACTERISTICS—Single +5V Supply (Figure 1) (V+ = +4.5V to +5.5V 0V MIN PARAMETER SYMBOL SERIAL DIGITAL INTERFACE SERIAL DIGITAL INTERFACE SCLK Frequency Cycle Time (Note Lead Time ...

Page 8

Serially Controlled, Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers ELECTRICAL CHARACTERISTICS—Single +3V Supply (V+ = +3.0V to +3.6V 0V MIN PARAMETER SYMBOL ANALOG SWITCH Analog Signal Range V COM COM-NO On-Resistance COM Off-Leakage Current I COM(OFF) (Notes ...

Page 9

Multiplexers ELECTRICAL CHARACTERISTICS—Single +3V Supply (continued) (V+ = +3.0V to +3.6V 0V MIN PARAMETER SYMBOL SWITCH DYNAMIC CHARACTERISTICS Turn-On Time (Note 4) Turn-Off Time (Note 4) Break-Before-Make Delay (Note 4) t Charge ...

Page 10

Serially Controlled, Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers TIMING CHARACTERISTICS—Single +3V Supply (Figure 1) (V+ = +3.0V to +3.6V 0V MIN PARAMETER SYMBOL SERIAL DIGITAL INTERFACE SCLK Frequency Cycle Time (Note Lead ...

Page 11

Multiplexers __________________________________________Typical Operating Characteristics (V+ = +5V -5V, GND = 0V +25°C, unless otherwise noted.) A ON-RESISTANCE vs. V COM (DUAL SUPPLIES) 140 120 V± = ±2.5V 100 V± = ± V± ...

Page 12

Serially Controlled, Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers (V+ = +5V -5V, GND = 0V +25°C, unless otherwise noted.) A DATA SETUP TIME vs. POSITIVE SUPPLY VOLTAGE 100 ...

Page 13

Multiplexers PIN MAX349 MAX350 DIP/SO SSOP DIP/ — 6–13 6–9, 11–14 — — — 5 — — 6–9 — — 10–13 — — 14 ...

Page 14

Serially Controlled, Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers Detailed Description Basic Operation The MAX349/MAX350 are 8-channel and dual 4-chan- nel, serially controlled multiplexers (muxes). These muxes are unusual in that any, all, or none of the input channels can be directed to ...

Page 15

Multiplexers Table 1. MAX349 Serial-Interface Switch Programming RESET ...

Page 16

Serially Controlled, Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers Dual, Differential 4-Channel Multiplexer The MAX350 can be programmed normally, with only one differential channel selected for every eight clock pulses can be programmed in a fast mode, where channel changing occurs ...

Page 17

Multiplexers DIN SCLK CS1 CS2 CS3 CS MAX349 MAX350 SCLK DIN Figure 6. Addressable Serial Interface D4 SCLK SW4 DIN FOUR CLOCK PULSES Figure 7. Differential Multiplexer Input Control Power-Supply Considerations The MAX349/MAX350 construction is typical of most ...

Page 18

Serially Controlled, Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers The MAX349/MAX350 operate with bipolar supplies from ±3.0V and ±8V. The V+ and V- supplies need not be symmetrical, but their sum cannot exceed the absolute maximum rating of 17V. Do not connect the ...

Page 19

Multiplexers Ordering Information (continued) PART TEMP. RANGE MAX349EPN -40°C to +85°C MAX349EWN -40°C to +85°C MAX349EAP -40°C to +85°C MAX349MJN -55°C to +125°C MAX350CPN 0°C to +70°C MAX350CWN 0°C to +70°C MAX350CAP 0°C to +70°C MAX350C/D 0°C to ...

Page 20

... 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. ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 20 © ...

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