HI3197 Просмотр технического описания (PDF) - Intersil

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HI3197

10-Bit, 125 MSPS D/A Converter

Intersil 

HI3197

Pin Descriptions and I/O Pin Equivalent Circuits (Continued)

PIN NO

34

SYMBOL

VREF

TYPICAL

VOLTAGE

I/O

LEVEL

O AGND +1.2V

EQUIVALENT CIRCUIT

AVCC2

34

DESCRIPTION

Analog Reference Voltage Output.

35

VSET

I AGND2 + 0.7V to

AGND2 + 1.03V

AVCC2

35

36

AVCC2

Single Power

Supply: +5V

Dual Power

Supplies: GND

37

AGND2

Single Power

Supply: GND

Dual Power

Supplies: -5V

38

VOCLP

I Clamp Voltage

39

P Polarity I TTL

5

DVCC1

39

DGND1

AGND2

Full scale adjustment.

Analog Power Supply.

Analog Power Supply

DVCC1

38

TTL Output High Level Clamp. The

TTL level signal is output from the

DIV2OUT pin for MUX.1A mode.

The TTL high level voltage is

clamped to the value approximate-

ly equivalent to the voltage sup-

plied to this pin. Leave the VOCLP

pin open for other modes.

DGND1

Reset signal polarity switching. At

high level, the reset polarity is ac-

tive high; at low level, active low.

VREF

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