Datasheet > DAC7822IRTAT

DAC7822IRTAT

更新时间： 2024-11-29 04:07:15

品牌	Logo	应用领域
BB		转换器
页数	文件大小	规格书
18页	611K
描述
Dual, 12-Bit, Parallel Input, Multiplying Digital-to-Analog Converter

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DAC7822IRTAT 数据手册

DAC7822

SBAS374–JUNE 2006

Dual, 12-Bit, Parallel Input, Multiplying

Digital-to-Analog Converter

FEATURES

DESCRIPTION

•

±1LSB INL

The DAC7822 is a dual, CMOS, 12-bit, current

output digital-to-analog converter (DAC). This device

operates from a 2.5V to 5.5V power supply, making it

suitable for battery-powered and many other

applications.

2.5V to 5.5V Supply Operation

Fast Parallel Interface:

17ns Write Cycle

•

Update Rate of 20.4MSPS

10MHz Multiplying Bandwidth

±15V Reference Input

The DAC7822 operates with a fast parallel interface.

Data readback allows the user to read the contents

of the DAC register via the DB pins. On power-up,

the internal register and latches are filled with zeroes

and the DAC outputs are at zero scale.

Extended Temperature Range:

–40°C to +125°C

The

DAC7822

offers

excellent

4-quadrant

•

40-Lead QFN

multiplication characteristics, with large signal

multiplying bandwidth of 10MHz. The applied

external reference input voltage (V_REF) determines

the full-scale output current. An integrated feedback

resistor (R_FB) provides temperature tracking and

full-scale voltage output when combined with an

external current-to-voltage precision amplifier. The

DAC7822 also includes the resistors necessary for

4-quadrant multiplication and other configuration

modes.

12-Bit Monotonic

4-Quadrant Multiplication

Power-On Reset with Brownout Detection

Readback Function

Industry-Standard Pin Configuration

Pin-Compatible with the AD5405

APPLICATIONS

•

Portable Battery-Powered Instruments

Waveform Generators

Analog Processing

Programmable Amplifiers and Attenuators

Digitally-Controlled Calibration

Programmable Filters and Oscillators

Ultrasound

The DAC7822 is available in

package.

a 40-lead QFN

R₃A

R_{2_3}A

R₂A V_REF

R₁A

R₃

R₂

R₁

R_FB

R_FBA

V_DD

DB0

DATA

I_OUT1A

I_OUT2A

INPUT

12-Bit

INPUTS

LATCH

BUFFER

R-2R DAC A

DB11

DAC A/B

CONTROL

LOGIC

I_OUT1B

I_OUT2B

12-Bit

R/W

LATCH

R-2R DAC B

LDAC

CLR

R₃

R₂

R₁

R_FB

POWER-ON

RESET

GND

R_FB

R₃B

R_{2_3}B

R₂B V_REF

R₁B

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...18

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与DAC7822IRTAT相关器件

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DAC7822IRTATG4	TI	获取价格	12-bit, Dual Channel, Parallel Input, Multiplying Digital-to-Analog Converter 40-WQFN -40
DAC8	AMSCO	获取价格	Analog Standard Cell 8-Bit Digital to Analog Converter
DAC80	BB	获取价格	Monolithic 12-Bit DIGITAL-TO-ANALOG CONVERTERS
DAC80/DAC80P	ETC	获取价格	DAC80. DAC80P - Monolithic 12-Bit DIGITAL-TO-ANALOG CONVERTERS
DAC800	NSC	获取价格	8 BIT DIGITAL TO ANALOG CONVERTERS
DAC80004	TI	获取价格	具有 1LSB INL/DNL 的超小型、真正 16 位四路电压输出 DAC
DAC80004IDMDR	TI	获取价格	具有 1LSB INL/DNL 的超小型、真正 16 位四路电压输出 DAC \| DMD
DAC80004IDMDT	TI	获取价格	具有 1LSB INL/DNL 的超小型、真正 16 位四路电压输出 DAC \| DMD
DAC80004IPW	TI	获取价格	具有 1LSB INL/DNL 的超小型、真正 16 位四路电压输出 DAC \| PW \|
DAC80004IPWR	TI	获取价格	具有 1LSB INL/DNL 的超小型、真正 16 位四路电压输出 DAC \| PW \|

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