Switch Array with Dual/Single Supplies

ADG2188

Rev. 0

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FEATURES

32-lead LFCSP_VQ (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

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

simultaneous switch combination is allowed. An additional

feature of the ADG2188 is that switches can be updated

simultaneously, 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_VQ.

FUNCTIONAL BLOCK DIAGRAM

ADG2188

SCL

SDA

X0 TO X7 (I/O)

8 × 8 SWITCH ARRAY

LDSW

64

1

64

1

INPUT

REGISTER

AND

7 TO 64

DECODER

LATCHES

LDSW

GND

A0

A1

A2

Y0 TO Y7 (I/O)

Figure 1.