Datasheet > DS4432

DS4432

更新时间： 2023-12-20 18:44:53

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
9页	211K
描述
双通道、可通过I2C调节的吸入/源出电流DAC

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数据手册

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DS4432 数据手册

Dual-Channel, I C, 7-Bit Sink/Source

Current DAC

Pin Description

NAME

SDA

FUNCTION

I C Serial Data. Input/output for I C data.

SCL

I C Serial Clock. Input for I C clock.

FS1

Full-Scale Calibration Inputs. A resistor to ground on these pins determines the full-scale current

for each output. FS0 controls OUT0; FS1 controls OUT1.

DS432

FS0

GND

OUT0

OUT1

Ground

Current Outputs. Sinks or sources the current determined by the register settings and the

resistance connected to FS0 and FS1.

Power Supply

Typical Operating Characteristics

(Applies to OUT0 and OUT1. V

otherwise noted.)

= 2.7V to 5.0V, SDA = SCL = V , T = +25°C, and no loads on OUT0, OUT1, FS0, or FS1, unless

CC A

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY CURRENT

vs. TEMPERATURE

VOLTCO (SOURCE)

150

125

100

150

125

100

-150

-175

-200

-225

-250

DOES NOT INCLUDE CURRENT DRAWN BY

RESISTORS CONNECTED TO FS0 OR FS1.

DOES NOT INCLUDE CURRENT DRAWN BY

RESISTORS CONNECTED TO FS0 OR FS1.

40kΩ LOAD ON FS0 AND FS1.

= 5.5V

= 2.7V

= 3.3V

2.5

3.0

3.5

4.0

4.5

5.0

5.5

-40

-20

SUPPLY VOLTAGE (V)

TEMPERATURE (°C)

(V)

OUT

TEMPERATURE COEFFICIENT

vs. SETTING (SOURCE)

TEMPERATURE COEFFICIENT

vs. SETTING (SINK)

VOLTCO (SINK)

300

250

200

150

100

650

550

450

350

250

150

250

225

200

175

150

RANGE FOR THE 50μA TO 200μA CURRENT

SOURCE RANGE.

RANGE FOR THE 50μA TO 200μA CURRENT

SINK RANGE.

40kΩ LOAD ON FS0 AND FS1.

+25°C TO -40°C

+25°C TO +85°C

+25°C TO -40°C

+25°C TO +85°C

-50

-150

-250

-50

100

125

100

125

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

(V)

SETTING (DEC)

OUT

_______________________________________________________________________________________

1 2 345 6 7...9

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