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

PIN NO

1 to 6

45 to 48

7 to 16

SYMBOL

DA0 to DA9

DB0 to DA9

TYPICAL

VOLTAGE

I/O

LEVEL

I TTL

I TTL

EQUIVALENT CIRCUIT

DVCC1

1 TO 6

45 TO 48

7 TO 16

17

DIV2IN

I TTL

DGND1

DVCC1

DESCRIPTION

Side A Data Input.

Side B Data Input.

VREF

1/2 Frequency-Divided Clock Input.

Use this pin for MUX.1A or MUX.2

mode. Leave open for other modes.

17

VREF

18

DIV2OUT O TTL

DGND1

DVCC1

18

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Out-

fre-

quency divided clock (DIV2OUT) is

output for MUX.1A mode. Leave

open for other modes.

19

CLK/T

I TTL

20

CLKP/E

I PECL

21

CLKN/E

I PECL

DVCC1

19

DGND1

DVCC1

20

21

DGND1

DGND1

Clock Input. Use this pin when the

clock is input in the TTL level. At

this time, leave Pins 20 and 21

open.

VREF

Clock Input. Use this pin when the

clock is input in PECL level. At this

time, leave Pin 19 open.

CLKP/E Complementary Input.

When left open, this pin goes to

the threshold potential. Operation

is possible only with CLKP/E, but

complementary input is recom-

mended to attain fast and stable

operation.

3

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