Datasheet > MAX5122

MAX5122

更新时间： 2024-11-02 22:58:03

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	286K
描述
+5V/+3V, 12-Bit, Serial, Force/Sense DACs with 10ppm/∑C Internal Reference

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数据手册

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MAX5122 数据手册

19-1446; Rev 0; 3/99

+5 V/+3 V, 1 2 -Bit , S e ria l, Fo rc e /S e n s e DACs

w it h 1 0 p p m /°C In t e rn a l Re fe re n c e

/MAX5123

Ge n e ra l De s c rip t io n

Fe a t u re s

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

d e vic e s d ra w only 500µA of s up p ly c urre nt, whic h

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)

Ord e rin g In fo rm a t io n

PIN-

PACKAGE

INL

(LSB)

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.

PART

TEMP. RANGE

MAX5122AEEE

MAX5122BEEE

MAX5123AEEE

MAX5123BEEE

-40°C to +85°C

16 QSOP

±0.5

±1

±2

Ap p lic a t io n s

Industrial Process Control

P in Co n fig u ra t io n

Automatic Test Equipment

TOP VIEW

16 V

Digital Offset and Gain Adjustment

Motion Control

OUT

15 REFADJ

14 REF

RSTVAL

PDL

Microprocessor-Controlled Systems

MAX5122

MAX5123

13 AGND

12 PD

CLR

11 UPO

10 DOUT

DIN

SCLK

9 DGND

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

QSOP

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...20

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与MAX5122相关器件

型号	品牌	获取价格	描述	数据表
MAX5122AEEE	MAXIM	获取价格	+5V/+3V, 12-Bit, Serial, Force/Sense DACs wit
MAX5122AEEE+	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5122AEEE+T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5122AEEE-T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5122BEEE	MAXIM	获取价格	+5V/+3V, 12-Bit, Serial, Force/Sense DACs wit
MAX5122BEEE+	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5122BEEE-T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5123	MAXIM	获取价格	1ppm/°.C.Low-Noise.+2.5V/+4.096V/+5V Voltage References[MAX6325/MAX6341/MAX6350/MAX632
MAX5123	ADI	获取价格	+5V/+3V、12位、串行、加载/感应DAC，带有10ppm/°C内部电压基准
MAX5123AEEE	MAXIM	获取价格	+5V/+3V, 12-Bit, Serial, Force/Sense DACs wit

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