MAX5120

更新时间： 2024-11-02 22:35:15

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	289K
描述
+3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference

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MAX5120 数据手册

19-1428; Rev 0; 2/99

+3 V/+5 V, 1 2 -Bit , S e ria l Vo lt a g e -Ou t p u t DACs

w it h In t e rn a l Re fe re n c e

0/MAX521

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

Fe a t u re s

The MAX5120/MAX5121 are low-power, 12-bit, voltage-

output digital-to-analog converters (DACs) with an inter-

nal precision bandgap reference and an output amplifier.

The MAX5120 operates on a +5V supply with an internal

amplifier reference of +2.5V and is capable of a +4.095V

full-scale output range. The MAX5121, operating on +3V,

delivers its +2.0475V full-scale output with an internal

precision reference of +1.25V. If necessary, the user can

override the internal, <10ppm/°C voltage reference with

an external reference. 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 mid-

scale and minimizes output voltage glitches during

power-up.

♦ Single-Supply Operation

+5V (MAX5120)

+3V (MAX5121)

♦ Full-Scale Output Range

+4.095V (MAX5120)

+2.0475V (MAX5121)

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

Reference

+2.5V (MAX5120)

+1.25V (MAX5121)

♦ Adjustable Output Offset

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

The serial interface is compatible with SPI™, QSPI™

a nd MICROWIRE™, whic h ma ke s the MAX5120/

MAX5121 suitable for cascading multiple devices. Each

DAC has a double-buffered input organized as an input

ter loads data into the input register. The DAC register

may be updated independently or simultaneously with

the input register.

Interface

♦ Pin-Programmable Shutdown Mode and Power-

Up Reset (0V or Midscale Output Voltage)

♦ Buffered Output Capable of Driving 5kΩ 100pF

or 4–20mA Loads

♦ Space-Saving 16-Pin QSOP Package

Both devices are available in a 16-pin QSOP package

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

+85°C) temperature range. For pin-compatible 14-bit

up g ra d e s , s e e the MAX5170/MAX5172 d a ta s he e t;

for pin-compatible 13-bit versions, see the MAX5130/

MAX5131 data sheet.

♦ Pin-Compatible 13-Bit Upgrades Available

(MAX5130/MAX5131)

♦ Pin-Compatible 14-Bit Upgrades Available

(MAX5170/MAX5172)

________________________Ap p lic a t io n s

Industrial Process Controls

Automatic Test Equipment (ATE)

Digital Offset and Gain Adjustment

Motion Control

µP-Controlled Systems

P in Co n fig u ra t io n

Ord e rin g In fo rm a t io n

PIN-

PACKAGE

INL

(LSB)

TOP VIEW

PART

TEMP. RANGE

OUT

16 V

MAX5120AEEE

MAX5120BEEE

MAX5121AEEE

MAX5121BEEE

-40°C to +85°C

16 QSOP

±0.5

±1

15 REFADJ

14 REF

RSTVAL

PDL

±1

MAX5120

MAX5121

13 AGND

12 PD

±2

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MAX5120相关器件

型号	品牌	获取价格	描述	数据表
MAX5120AEEE	MAXIM	获取价格	+3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference
MAX5120AEEE+	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5120BEEE	MAXIM	获取价格	+3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference
MAX5120BEEE+	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5120BEEE+T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5120BEEE-T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 20us Settling Time, PDSO16, 0.150 INCH, 0.025
MAX5120-MAX5121	MAXIM	获取价格	+3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference
MAX5121	MAXIM	获取价格	Evaluation Kit for the MAX2430[MAX2430EVKIT ]
MAX5121	ADI	获取价格	+3V/+5V、12位、串行、电压输出DAC，内置电压基准
MAX5121AEEE	MAXIM	获取价格	+3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference

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