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EVAL-ADG2188EBZ

I2C® CMOS 8 × 8 Unbuffered Analog Switch Array with Dual/Single Supplies

Analog Devices 

Data Sheet

I2C® CMOS 8 × 8 Unbuffered Analog

Switch Array with Dual/Single Supplies

ADG2188

FEATURES

I2C-compatible interface

3.4 MHz high speed I2C option

32-lead LFCSP_WQ (5 mm × 5 mm)

Double-buffered input logic

Simultaneous update of multiple switches

Up to 300 MHz bandwidth

Fully specified at dual ±5 V/single +12 V operation

On resistance 35 Ω maximum

Low quiescent current < 20 µA

Qualified for automotive applications

APPLICATIONS

AV switching in TV

Automotive infotainment

AV receivers

CCTV

Ultrasound applications

KVM switching

Telecom applications

Test equipment/instrumentation

PBX systems

GENERAL DESCRIPTION

The ADG2188 is an analog cross point switch with an array size of

8 × 8. The switch array is arranged so that there are eight columns

by eight rows, for a total of 64 switch channels. The array is

bidirectional, and the rows and columns can be configured as

either inputs or outputs. Each of the 64 switches can be addressed

and configured through the I2C-compatible interface. Standard,

full speed, and high speed (3.4 MHz) I2C interfaces are supported.

Any simultaneous switch combination is allowed. An additional

feature of the ADG2188 is that switches can be updated simul-

taneously, using the LDSW command. In addition, a RESET option

allows all of the switch channels to be reset/off. At power on, all

switches are in the off condition. The device is packaged in a

32-lead, 5 mm × 5 mm LFCSP_WQ.

FUNCTIONAL BLOCK DIAGRAM

VDD VSS

VL

ADG2188

SCL

SDA

INPUT

1

REGISTER

AND

7 TO 64

DECODER

64

1

LATCHES

64

LDSW

LDSW

8 × 8 SWITCH ARRAY

A2 A1 A0

GND

Y0 TO Y7 (I/O)

Figure 1.

X0 TO X7 (I/O)

Rev. B

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