beautypg.com

Ds4432 dual-channel, i, C, 7-bit sink/source current dac, Block diagram – Rainbow Electronics DS4432 User Manual

Page 5: Typical operating characteristics (continued)

background image

DS4432

Dual-Channel, I

2

C, 7-Bit Sink/Source

Current DAC

_______________________________________________________________________________________

5

Block Diagram

V

CC

V

CC

R

FS0

R

FS1

SDA SCL

GND

FS0

FS1

OUT1

OUT0

CURRENT

DAC0

F8h

F9h

SOURCE OR

SINK MODE

127 POSITIONS

EACH FOR SINK

AND SOURCE

MODE

CURRENT

DAC1

I

2

C-COMPATIBLE

SERIAL INTERFACE

DS4432

Typical Operating Characteristics (continued)

(Applies to OUT0 and OUT1. V

CC

= 2.7V to 5.0V, SDA = SCL = V

CC

, T

A

= +25°C, and no loads on OUT0, OUT1, FS0, or FS1, unless

otherwise noted.)

INTEGRAL LINEARITY

DS4432 toc07

SETTING (DEC)

INL (LSB)

100

125

75

50

25

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

-1.0

0

RANGE FOR THE 50

μA TO 200μA CURRENT

SOURCE AND SINK RANGE.

DIFFERENTIAL LINEARITY

DS4432 toc08

SETTING (DEC)

DNL (LSB)

100

125

75

50

25

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

-1.0

0

RANGE FOR THE 50

μA TO 200μA CURRENT

SOURCE AND SINK RANGE.