DS4412U

更新时间： 2024-11-23 03:30:35

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
9页	137K
描述
Dual-Channel, I2C Adjustable Sink/Source Current DAC

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DS4412U 数据手册

Rev 0; 9/07

Dual-Channel, I C Adjustable

Sink/Source Current DAC

DS412

General Description

The DS4412 contains two I C adjustable-current DACs

that are each capable of sinking or sourcing current. Each

output has 15 sink and 15 source settings that are pro-

grammed by I C interface. The full-scale range and step

size of each output is determined by an external resistor

that can adjust the output current over a 4:1 range.

Features

♦ Two Current DACs

♦ Full-Scale Current 500µA to 2mA

♦ Full-Scale Range for Each DAC Determined by

External Resistors

♦ 15 Settings Each for Sink and Source Modes

♦ I C-Compatible Serial Interface

The output pins, OUT0 and OUT1, power-up in a high-

impedance state.

♦ Low Cost

♦ Small Package (8-Pin µSOP)

♦ -40°C to +85°C Temperature Range

♦ 2.7V to 5.5V Operation

Applications

Power-Supply Adjustment

Power-Supply Margining

Adjustable Current Sink or Source

Ordering Information

Pin Configuration

PART

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

8 μSOP

DS4412U+

TOP VIEW

DS4412U+T&R

8 μSOP

+Denotes a lead-free package.

T&R = Tape and reel.

SDA

SCL

FS1

OUT1

OUT0

FS0

DS4412

GND

μSOP

Typical Operating Circuit

OUT0

OUT1

OUT

4.7kΩ

SDA

SCL

DC-DC

CONVERTER

DC-DC

CONVERTER

OUT0

OUT1

DS4412

GND

FS0

FS1

FS0

FS1

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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