Datasheet > MAX5123

MAX5123

更新时间： 2024-12-01 14:57:39

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
19页	921K
描述
+5V/+3V、12位、串行、加载/感应DAC，带有10ppm/°C内部电压基准

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数据手册

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MAX5123 数据手册

19-1446; Rev 2; 5/06

+5V/+3V, 12-Bit, Serial, Force/Sense DACs

with 10ppm/°C Internal Reference

General Description

Features

The MAX5122/MAX5123 low-power, 12-bit, voltage-out-

put, digital-to-analog converters (DACs) feature an inter-

nal precision bandgap reference and output amplifier.

♦ Single-Supply Operation

+5V (MAX5122)

+3V (MAX5123)

The MAX5122 operates on a single +5V supply with an

internal +2.5V reference, and offers a configurable output

amplifier. If necessary, the user can override the on-chip,

<10ppm/°C voltage reference with an external reference.

The MAX5123 has the same features as the MAX5122 but

operates from a single +3V supply and has an internal

+1.25V precision reference. The user-accessible inverting

input and output of the amplifier allows specific gain con-

figurations, remote sensing, and high output drive capa-

bility for a wide range of force/sense applications. Both

devices draw only 500µA of supply current, which

reduces to 3µA in power-down mode. In addition, their

power-up reset feature allows for a user-selectable initial

output state of either 0V or midscale and reduces output

glitches during power-up.

♦ Built-In 10ppm/°C max Precision Bandgap Reference

+2.5V (MAX5122)

+1.25V (MAX5123)

♦ SPI/QSPI/MICROWIRE-Compatible, 3-Wire Serial

Interface

♦ Pin-Programmable Shutdown Mode and Power-

Up Reset (0 or Midscale Output Voltage)

♦ Buffered Output Capable of Driving 5kΩ 100pF

or 4–20mA Loads

♦ Space-Saving 16-Pin QSOP Package

♦ Pin-Compatible 13-Bit Upgrades Available

The serial interface is compatible with SPI™, QSPI™, and

MICROWIRE™, which makes the MAX5122/MAX5123

suitable for cascading multiple devices. Each DAC has

a double-buffered input organized as an input register

followed by a DAC register. A 16-bit shift register loads

data into the input register. The DAC register may be

updated independently or simultaneously with the input

(MAX5132/MAX5133)

♦ Pin-Compatible 14-Bit Upgrades Available

(MAX5171/MAX5173)

Ordering Information

PIN-

PACKAGE

INL

(LSB)

PKG

CODE

PART

Both devices are available in a 16-pin QSOP package

and are specified for the extended-industrial (-40°C to

+85°C) operating temperature range. For pin-compatible

14-bit upgrades, see the MAX5171/MAX5173 data sheet;

for the pin-compatible 13-bit version, see the MAX5132/

MAX5133 data sheet.

MAX5122AEEE

MAX5122BEEE

MAX5123AEEE

MAX5123BEEE

16 QSOP

0.5

E16-5

Note: All devices are specified over the -40°C to +85°C oper-

ating temperature range.

Applications

Industrial Process Control

Pin Configuration

Automatic Test Equipment

TOP VIEW

OUT

16 V

Digital Offset and Gain Adjustment

Motion Control

15 REFADJ

14 REF

RSTVAL

PDL

Microprocessor-Controlled Systems

MAX5122

MAX5123

13 AGND

12 PD

CLR

11 UPO

10 DOUT

DIN

SCLK

DGND

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

QSOP

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...19

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与MAX5123相关器件

型号	品牌	获取价格	描述	数据表
MAX5123AEEE	MAXIM	获取价格	+5V/+3V, 12-Bit, Serial, Force/Sense DACs wit
MAX5123AEEE+	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5123AEEETR	MAXIM	获取价格	暂无描述
MAX5123BEEE	MAXIM	获取价格	+5V/+3V, 12-Bit, Serial, Force/Sense DACs wit
MAX5123BEEE+	MAXIM	获取价格	暂无描述
MAX5123BEEE+T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5123BEEE-T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5128	MAXIM	获取价格	128-Tap, Nonvolatile, Linear-Taper Digital Potentiometer in 2mm x 2mm uDFN Package
MAX5128	ADI	获取价格	128抽头、非易失、线性变化数字电位器，采用2mm x 2mm μDFN封装
MAX5128_07	MAXIM	获取价格	128-Tap, Nonvolatile, Linear-Taper Digital Po

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