MAX5222

更新时间： 2024-09-15 22:55:19

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
12页	528K
描述
Dual, 8-Bit, Voltage-Output Serial DAC in 8-Pin SOT23

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MAX5222 数据手册

19-1720; Rev 0; 4/00

Dual, 8-Bit, Voltage-Output

Serial DAC in 8-Pin SOT23

General Description

Features

The MAX5222 contains two 8-bit, buffered, voltage-out-

put digital-to-analog converters (DAC A and DAC B) in a

small 8-pin SOT23 package. Both DAC outputs can

source and sink 1mA to within 100mV of ground and

o Operates from a Single +2.7V to +5.5V Supply

o Tiny 8-Pin SOT23 Package (3mm 3mm)

o Dual Buffered Voltage Output

. The MAX5222 operates with a single +2.7V to

o Low Power Consumption

0.4mA Operating Current

<1µA Shutdown Current

+5.5V supply.

The device uses a 3-wire serial interface, which oper-

ates at clock rates up to 25MHz and is compatible with

SPI™, QSPI™, and MICROWIRE™ interface standards.

The serial input shift register is 16 bits long and con-

sists of 8 bits of DAC input data and 8 bits for DAC

selection and shutdown control. DAC registers can be

loaded independently or in parallel at the positive edge

of CS.

o Programmable Shutdown Mode

o 25MHz, 3-Wire Serial Interface

o SPI, QSPI, and MICROWIRE Compatible

The MAX5222’s ultra-low power consumption and tiny

8-pin SOT23 package make it ideal for portable and

battery-powered applications. Supply current is less

than 1mA and drops below 1µA in shutdown mode. In

addition, the reference input is disconnected from the

REF pin during shutdown, further reducing the system’s

total power consumption.

Ordering Information

PART

TEMP. RANGE

PIN-PACKAGE

MAX5222EKA-T

-40°C to +85°C

8 SOT23-8

Functional Diagram

________________________Applications

Digital Gain and Offset Adjustment

Programmable Current Source

Programmable Voltage Source

Power-Amp Bias Control

0.22µF

0.1µF

(OPTIONAL)

8 DIN

DD 7 REF

VCO Tuning

SCLK

OUTA

DAC

LATCH

Pin Configuration

DAC A

DAC B

TOP VIEW

OUTB

DAC

LATCH

DIN

MAX5222

GND

REF

MAX5222

OUTB

OUTA

SCLK

GND

SOT23-8

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

________________________________________________________________ Maxim Integrated Products

For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.

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

12 3 4 5 6 7...12

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与MAX5222相关器件

型号	品牌	获取价格	描述	数据表
MAX5222EKA	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 10us Settling Time, PDSO8, 3 X 3 MM, SOT-23,
MAX5222EKA+	MAXIM	获取价格	暂无描述
MAX5222EKA+T	MAXIM	获取价格	D/A Converter, 2 Func, Serial Input Loading, 10us Settling Time, PDSO8, 3 X 3 MM, ROHS COM
MAX5222EKA+TG0N	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 10us Settling Time, PDSO8, 3 X 3 MM, SOT-23,
MAX5222EKA-T	MAXIM	获取价格	Dual, 8-Bit, Voltage-Output Serial DAC in 8-Pin SOT23
MAX5222EKA-TG05	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 10us Settling Time, PDSO8, 3 X 3 MM, SOT-23,
MAX5223	MAXIM	获取价格	Low-Power.Dual.8-Bit.Voltage-Output Serial DAC in 8-Pin SOT23
MAX5223	ADI	获取价格	低功耗、双路、8位、电压输出、串行DAC，8引脚SOT23封装
MAX5223EKA	MAXIM	获取价格	暂无描述
MAX5223EKA+	MAXIM	获取价格	暂无描述

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