AD7399BR

更新时间： 2024-11-18 23:16:19

品牌	Logo	应用领域
亚德诺 - ADI		转换器光电二极管
页数	文件大小	规格书
16页	272K
描述
Quad, Serial-Input 12-Bit/10-Bit DACs

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AD7399BR 数据手册

Quad, Serial-Input

12-Bit/10-Bit DACs

AD7398/AD7399

FEATURES

FUNCTIONAL BLOCK DIAGRAM

AD7398—12-Bit Resolution

AD7399—10-Bit Resolution

REF

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

DAC B

INPUT

REG B

SDI

APPLICATIONS

DAC C

INPUT

REG C

DAC C

DAC D

Automotive Output Voltage Span

Portable Communications

Digitally Controlled Calibration

PC Peripherals

OUT

CLK

DAC D

12/10

INPUT

REG D

OUT

GENERAL DESCRIPTION

POWER

ON RESET

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

output digital-to-analog converters is designed to operate from a

single 3 V to 5 V or a dual 5 V supply. Built with Analog’s robust

CBCMOS process, this monolithic DAC offers the user low

cost, and ease-of-use in single or dual-supply systems.

GND

LDAC

REF

The applied external reference V_REFdetermines 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.

0.50

0.40

0.30

0.20

0.10

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

3-wire, SPI and microcontroller-compatible inputs using serial-

data-in (SDI), clock (CLK), and a chip-select (CS). A common

level-sensitive load-DAC strobe (LDAC) input allows simulta-

neous update of all DAC outputs from previously loaded Input

Registers. Additionally, an internal power ON reset forces the

output voltage to zero at system turn ON. An external asynchro-

nous reset (RS) also forces all registers to the zero code state. A

programmable power-shutdown feature reduces power dissipa-

tion on unused DACs.

= +5V

= –5V

= +2.5V

REF

= 25؇C

–0.10

–0.20

–0.30

–0.40

–0.50

Both parts are offered in the same pinout to enable users to

select the appropriate resolution for their application without

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

pin compatible AD7304 product.

512

4096

1024

1536

CODE – Decimal

2560

3072 3584

2048

The AD7398/AD7399 is specified over the extended industrial

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

wide body SOIC-16 and ultracompact thin 1.1 mm TSSOP-

16 packages.

Figure 1. AD7398 DNL vs. Code (T_A= 25°C)

REV. 0

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

12 3 4 5 6 7...16

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AD7399BR 替代型号

型号	品牌	替代类型	描述	数据表
AD7399BRU	ADI	完全替代	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7399BRU-REEL7	ADI	完全替代	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7399BRZ	ADI	类似代替	Quad, Serial-Input 12-Bit/10-Bit DACs

与AD7399BR相关器件

型号	品牌	获取价格	描述	数据表
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
AD7399BRZ-REEL	ADI	获取价格	Quad, Serial-Input 12-Bit/10-Bit DACs
AD7400	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7400_06	ADI	获取价格	Isolated Sigma-Delta Modulator

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