Datasheet > AD7395AN

AD7395AN

更新时间： 2024-11-18 23:16:19

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	307K
描述
+3 V, Dual, Serial Input 12-/10-Bit DACs

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AD7395AN 数据手册

+3 V, Dual, Serial Input

12-/10-Bit DACs

AD7394/AD7395

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Micropower: 100 ␮A/DAC

REF

0.1 ␮A Typical Power Shutdown

Single-Supply +2.7 V to +5.5 V Operation

Compact 1.1 mm Height TSSOP-14 Package

AD7394/12-Bit Resolution

AD7395/10-Bit Resolution

Serial Interface with Schmitt Trigger Inputs

AMP A

DAC A

OUTA

CLK

SDI

(DATA)

APPLICATIONS

Automotive Output Span Voltage

Portable Communications

Digitally Controlled Calibration

PC Peripherals

AD7394/AD7395

AMP B

LDA

LDB

DAC B

OUTB

GENERAL DESCRIPTION

The AD7394/AD7395 family of dual, 12-/10-bit, voltage output

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

+3 V supply. Built using a CBCMOS process, this monolithic

DAC offers the user low cost and ease of use in single-supply

+3 V systems. Operation is guaranteed over the supply voltage

range of +2.7 V to +5.5 V making this device ideal for battery

operated applications.

DGND

MSB

AGND

SHDN

The AD7394/AD7395 is specified over the extended industrial

(–40°C to +85°C) temperature range. Packages available in-

clude plastic DIP and low profile 1.75 mm height SO-14 surface

mount packages. The AD7395ARU is available for ultracompact

applications in a thin 1.1 mm TSSOP-14 package. For automotive

applications the AD7395AR is specified for operation over the

(–40°C to +125°C) temperature range.

The full-scale output voltage is determined by the applied exter-

nal reference input voltage, VREF. The rail-to-rail VREF input

to V_OUToutputs allows for a full-scale voltage set equal to the

positive supply V_DDor any value in between.

A doubled-buffered serial data interface offers high speed,

microcontroller compatible inputs using serial-data-in (SDI),

clock (CLK) and load strobe (LDA + LDB) pins. A chip-select

(CS) pin simplifies connection of multiple DAC packages by

enabling the clock input when active low. Additionally, an RS

input sets the output to zero scale or to 1/2 scale based on the

logic level applied to the MSB pin. The power shutdown pin,

SHDN, reduces power dissipation to nanoamp current levels.

All digital inputs contain Schmitt-triggered logic levels to mini-

mize power dissipation and prevent false triggering on the clock

input.

= 3V

0.8

0.6

= 2.5V

REF

0.4

0.2

–0.2

–0.4

–0.6

–0.8

–1

Both parts are offered in the same pinout to allow users to select

the amount of resolution appropriate for their application with-

out circuit card redesign.

= –55؇C, +25؇C, +85؇C

SUPERIMPOSED

500

1000 1500

2000 2500 3000 3500 4000

CODE – Decimal

Figure 1. Differential Nonlinearity Error vs. Code

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...12

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与AD7395AN相关器件

型号	品牌	获取价格	描述	数据表
AD7395AR	ADI	获取价格	+3 V, Dual, Serial Input 12-/10-Bit DACs
AD7395AR-REEL7	ADI	获取价格	IC SERIAL INPUT LOADING, 70 us SETTLING TIME, 10-BIT DAC, PDSO14, 1.75 MM HEIGHT, SOIC-14,
AD7395ARU	ADI	获取价格	+3 V, Dual, Serial Input 12-/10-Bit DACs
AD7395ARU-REEL7	ADI	获取价格	IC SERIAL INPUT LOADING, 70 us SETTLING TIME, 10-BIT DAC, PDSO14, 1.10 MM HEIGHT, TSSOP-14
AD7396	ADI	获取价格	3 V, Parallel Input Dual 12-Bit /10-Bit DACs
AD7396_15	ADI	获取价格	3 V, Parallel Input Dual 12-Bit /10-Bit DACs
AD7396AN	ADI	获取价格	3 V, Parallel Input Dual 12-Bit /10-Bit DACs
AD7396AR	ADI	获取价格	3 V, Parallel Input Dual 12-Bit /10-Bit DACs
AD7396AR-REEL	ADI	获取价格	Dual Parallel-Input 12-Bit D/A Converter
AD7396AR-REEL7	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 70 us SETTLING TIME, 12-BIT DAC, PDSO24, SOIC-24, Digital

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