TLV5626

2.7-V TO 5.5-V LOW-POWER DUAL 8-BIT DIGITAL-TO-ANALOG

CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN

SLAS236A –JUNE 1999 – REVISED JUNE 2000

2

POST OFFICE BOX 655303

functional block diagram

Serial

Interface

and

Control

8-Bit

DAC B

Latch

SCLK

DIN

CS

OUTA

Power-On

Reset

x2

8

2-Bit

Control

Latch

Power

and Speed

Control

2

Voltage

Bandgap

PGA With

Output Enable

8-Bit

DAC A

Latch

8

REF

AGND

VDD

2

8

8

OUTB

x2

Buffer

8

Terminal Functions

TERMINAL

I/O/P

DESCRIPTION

NAME

NO.

I/O/P

DESCRIPTION

AGND

5

P

Ground

CS

3

I

Chip select. Digital input active low, used to enable/disable inputs

DIN

1

I

Digital serial data input

OUTA

4

I

DAC A analog voltage output

OUTB

7

O

DAC B analog voltage output

REF

6

I/O

Analog reference voltage input/output

SCLK

2

I

Digital serial clock input

VDD

8

P

Positive power supply