Datasheet > AD7397_15

AD7397_15

更新时间： 2024-01-27 11:40:22

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	229K
描述
3 V, Parallel Input Dual 12-Bit /10-Bit DACs

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AD7397_15 数据手册

3 V, Parallel Input

Dual 12-Bit/10-Bit DACs

AD7396/AD7397

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Micropower: 100 ␮A/DAC

0.1 ␮A Typical Power Shutdown

Single Supply +2.7 V to +5.5 V Operation

Compact 1.1 mm Height TSSOP 24-Lead Package

AD7396: 12-Bit Resolution

AD7397: 10-Bit Resolution

0.9 LSB Differential Nonlinearity Error

AD7396

DACA

12-BIT

DACA

LDA

OUTA

INPUTA

A/B

DATA

REF

APPLICATIONS

INPUTB

Automotive Output Span Voltage

Portable Communications

Digitally Controlled Calibration

PC Peripherals

DACB

12-BIT

DACB

LDB

OUTB

AGND

DGND

SHDN

GENERAL DESCRIPTION

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

The AD7396/AD7397 series of dual, 12-bit and 10-bit voltage-

output digital-to-analog converters are designed to operate from

a single +3 V supply. Built using a CBCMOS process, these

monolithic DACs offer 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.

select the amount of resolution appropriate for their applications

without circuit card changes.

The AD7396/AD7397 are specified for operation over the ex-

tended industrial (–40°C to +85°C) temperature range. The

AD7397AR is specified for the –40°C to +125°C automotive

temperature range. AD7396/AD7397s are available in plastic

DIP, and 24-lead SOIC packages. The AD7397ARU is avail-

able for ultracompact applications in a thin 1.1 mm height

TSSOP 24-lead package.

A 12-bit wide data latch loads with a 45 ns write time allowing

interface to fast processors without wait states. The double

buffered input structure allows the user to load the input

registers one at a time, then a single load strobe tied to both

LDA+LDB inputs will simultaneously update both DAC out-

puts. LDA and LDB can also be independently activated to

immediately update their respective DAC registers. An address

input (A/B) decodes DACA or DACB when the chip select CS

input is strobed. Additionally, an asynchronous RS input sets

the output to zero-scale at power on or upon user demand.

Power shutdown to submicroamp levels is directly controlled by

the active low SHDN pin. While in the power shutdown state

is in an open circuit state. Upon return to the normal operating

state the latest data loaded in the DAC register will establish the

output voltage.

1.0

= +3V

0.8

0.6

0.4

= +2.5V

REF

0.2

0.0

–0.2

–0.4

–0.6

–0.8

–1.0

= +25؇C, +85؇C, –55؇C

SUPERIMPOSED

512

1024 1536

2048

2560 3072

3584 4096

CODE – Decimal

Figure 1. DNL vs. Digital Code at Temperature

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

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与AD7397_15相关器件

型号	品牌	获取价格	描述	数据表
AD7397AN	ADI	获取价格	3 V, Parallel Input Dual 12-Bit /10-Bit DACs
AD7397ANZ	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 70 us SETTLING TIME, 10-BIT DAC, PDIP24, PLASTIC, DIP-24,
AD7397AR	ADI	获取价格	3 V, Parallel Input Dual 12-Bit /10-Bit DACs
AD7397AR-REEL	ADI	获取价格	暂无描述
AD7397ARU	ADI	获取价格	3 V, Parallel Input Dual 12-Bit /10-Bit DACs
AD7397ARU-REEL7	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 70 us SETTLING TIME, 10-BIT DAC, PDSO24, 1.10 MM HEIGHT,
AD7397ARUZ	ADI	获取价格	3 V, Parallel Input Dual 12-Bit /10-Bit DACs
AD7397ARUZ-REEL7	ADI	获取价格	Dual Parallel-Input 10-Bit DAC
AD7397ARZ	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 70 us SETTLING TIME, 10-BIT DAC, PDSO24, SOIC-24
AD7397ARZ-REEL	ADI	获取价格	Dual Parallel-Input 10-Bit DAC

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