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REFIN

12

19

20

1

2

3

4

5

6

18

17

D0

D1

D2

D3

D4

D5

D6

D7

CS

WE

Power-On

Reset

12

12

x2

LDAC

16

13

OUT

12-Bit

Input

Register

Select

and

Control

Logic

12-Bit

DAC

Latch

7

D8

8

D9

9

D10

10

D11

PD

15

Resistor

String DAC

TLV5619

SLAS172F – DECEMBER 1997 – REVISED FEBRUARY 2004

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

FUNCTIONAL BLOCK DIAGRAM

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

CS

18

I

Chip select

D0 (LSB)-D11 (MSB)

19, 20, 1-10

I

Parallel data input

GND

14

Ground

LDAC

16

I

Load DAC

OUT

13

O

Analog output

PD

15

I

When low, disables all buffer amplifier voltages to reduce supply current

REFIN

12

I

Voltage reference input

11

Positive power supply

WE

17

I

Write enable

2