Datasheet > 转换器 > 数模转换器> AD7398WBRUZ-RL7

AD7398WBRUZ-RL7

更新时间： 2024-11-23 12:36:43

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器光电二极管
页数	文件大小	规格书
24页	416K
描述
Quad, Serial-Input 12-Bit/10-Bit DACs

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中文翻译

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数据手册

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AD7398WBRUZ-RL7 数据手册

Quad, Serial-Input

12-Bit/10-Bit DACs

AD7398/AD7399

FEATURES

FUNCTIONAL BLOCK DIAGRAM

AD7398—12-bit resolution

REF

AD7399—10-bit resolution

AD7398/AD7399

Programmable power shutdown

Single (3 V to 5 V) or dual ( 5 V) supply operation

3-wire, serial SPI®-compatible interface

Internal power-on reset

Double buffered registers for simultaneous

multichannel DAC update

Four separate rail-to-rail reference inputs

Thin profile, TSSOP-16 package available

Low tempco: 1.5 ppm/°C

DAC A

INPUT

REG A

DAC A

DAC B

OUT

SERIAL

SDI

DAC B

INPUT

REG B

DAC C

INPUT

REG C

DAC C

DAC D

OUT

CLK

Qualified for automotive applications

12/10

DAC D

APPLICATIONS

INPUT

REG D

OUT

Automotive output voltage span

Portable communications

Digitally controlled calibration

PC peripherals

POWER

ON RESET

LDAC

GND

REF

Figure 1.

GENERAL DESCRIPTION

The AD7398/AD7399 family of quad, 12-bit/10-bit, voltage

output digital-to-analog converters (DACs) is designed to

operate from a single 3 V to 5 V supply or a dual 5 V supply.

Built with the Analog Devices, Inc. robust CBCMOS process,

these monolithic DACs offer the user low cost with ease-of-use

in single or dual-supply systems.

Both parts are offered in the same pinout, enabling users to

select the appropriate resolution for their application without

redesigning the layout. For 8-bit resolution applications, see the

pin-compatible AD7304 product.

The AD7398/AD7399 are specified over the extended industrial

(−40°C to +125°C) temperature range. Parts are available in

16-lead, wide body SOIC and ultracompact, thin, 1.1 mm

TSSOP packages.

The applied external reference, V_REF, determines the full-scale

output voltage. Valid V_REFvalues include V_SS< V_REF< V_DDthat

result in a wide selection of full-scale outputs. For multiplying

applications, ac inputs can be as large as 5 V_P.

0.5

= +5V

= –5V

0.4

0.3

= +2.5V

REF

= 25°C

A doubled-buffered serial-data interface offers high speed, 3-wire,

SPI- and microcontroller-compatible inputs using serial data-in

0.2

(SDI), clock (CLK), and a chip-select ( ). A common level-

0.1

LDAC

sensitive, load-DAC strobe ( ) input allows simultaneous

update of all DAC outputs from previously loaded input registers.

Additionally, an internal power-on reset forces the output voltage to

–0.1

–0.2

–0.3

–0.4

–0.5

zero at system turn on. An external asynchronous reset ( ) also

forces all registers to the zero code state. A programmable power-

shutdown feature reduces power dissipation on unused DACs.

512

1024

1536

2048

2560

3072

3584

4096

CODE (Decimal)

Figure 2. AD7398 DNL vs. Code (T_A= 25°C)

Rev. C

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700 www.analog.com

12 3 4 5 6 7...24

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与AD7398WBRUZ-RL7相关器件

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AD7399	ADI	获取价格	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7399_15	ADI	获取价格	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7399BR	ADI	获取价格	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7399BR-REEL	ADI	获取价格	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7399BR-REEL7	ADI	获取价格	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7399BRU	ADI	获取价格	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7399BRU-REEL7	ADI	获取价格	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7399BRUZ	ADI	获取价格	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7399BRUZ-REEL7	ADI	获取价格	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7399BRZ	ADI	获取价格	Quad, Serial-Input 12-Bit/10-Bit DACs

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