TSH94 datasheet(4/11 Pages) STMICROELECTRONICS

4 / 11 page

TSH94

4/11

STANDBY MODE V

+ = 5V, V

- = -5V, T

amb = 25°C (unless otherwise specified)

STANDBY POSITION

APPLICATIONS

SIGNAL MULTIPLEXING

STANDBY MODE

To put the device in standby, just apply a logic

level on the standby MOS input. As ground is a vir-

tual level for the device, threshold voltage has

been refered to V

+ at V

+ - 1.6V typ.

In standby mode, the output goes in high imped-

ance in 200ns. Be aware that all maximum rating

must still be followed in this mode. It leads to

swing limitation while using the device in signal

multiplexing configuration with followers, differen-

tial input voltage must not exceed

±5V limiting in-

put swing to 2.5Vpp.

SAMPLE AND HOLD

Symbol

Parameter

Min.

Typ.

Max.

Unit

VSBY

Pin 8/9 Threshold Voltage for STANDBY Mode

+ -2.2

+ -1.6

+ -1.0

ICC SBY

Total Consumption

Standby 1 & 2 = 0

Standby 1 & 2 = 1

Standby 1 = 1, Standby 2 = 0

13.7

9.4

Isol

Input/Output Isolation (f = 1MHz to 10MHz)

tON

Time from Standby Mode to Active Mode

200

tOFF

Time from Active Mode to Standby Mode

200

Standby Driving Current

IOL

Output Leakage Current

IIL

Input Leakage Current

LOGIC INPUT

STATUS

Standby 1

Standby 2

Op-Omp 2

Op-Amp 3

Op-Amp 1 & 4

Enable

Standby

Enable

Standby

Enable

Standby

Enable

VCC

standby

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