AD7302BR

更新时间： 2024-11-24 22:38:59

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
16页	294K
描述
2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC

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替代型号

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AD7302BR 数据手册

2.7 V to 5.5 V, Parallel Input

Dual Voltage Output 8-Bit DAC

AD7302

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Two 8-Bit DACs In One Package

20-Lead DIP/SOIC/TSSOP Package

+2.7 V to +5.5 V Operation

Internal and External Reference Capability

DAC Power-Down Function

Parallel Interface

On-Chip Output Buffer

Rail-to-Rail Operation

Low Power Operation 3 mA max @ 3.3 V

Power-Down to 1 ␮A max @ 25؇C

AD7302

INPUT

DAC

I DAC A

I/V

OUT

INPUT

DAC

I DAC B

MUX

OUT

A/B

POWER ON

RESET

CONTROL

LOGIC

÷2

AGND

APPLICATIONS

Portable Battery Powered Instruments

Digital Gain and Offset Adjustment

Programmable Voltage and Current Sources

Programmable Attenuators

REFIN

DGND

LDAC

CLR

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

The AD7302 is a dual, 8-bit voltage out DAC that operates

from a single +2.7 V to +5.5 V supply. Its on-chip precision

output buffers allow the DAC outputs to swing rail to rail. The

AD7302 has a parallel microprocessor and DSP-compatible

interface with high speed registers and double buffered interface

logic. Data is loaded to the registers on the rising edge of CS or

WR and the A/B pin selects either DAC A or DAC B.

1. Low Power, Single Supply Operation. This part operates

from a single +2.7 V to +5.5 V supply and typically consumes

15 mW at 5 V, making it ideal for battery powered applications.

2. The on-chip output buffer amplifiers allow the outputs of the

DACs to swing rail to rail with a settling time of typically 1.2 µs.

3. Internal or external reference capability.

4. High speed parallel interface.

Reference selection for AD7302 can be either an internal

reference derived from the V_DDor an external reference applied

at the REFIN pin. Both DACs can be simultaneously updated

using the asynchronous LDAC input and can be cleared by

using the asynchronous CLR input.

5. Power-Down Capability. When powered down the DAC

consumes less than 1 µA at 25°C.

6. Packaged in 20-lead DIP, SOIC and TSSOP packages.

The low power consumption of this part makes it ideally suited

to portable battery operated equipment. The power consump-

tion is less than 10 mW at 3.3 V, reducing to 3 µW in power-

down mode.

The AD7302 is available in a 20-pin plastic dual-in-line package,

20-lead SOIC and a 20-lead TSSOP package.

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: 617/329-4700

Fax: 617/326-8703

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

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AD7302BR 替代型号

型号	品牌	替代类型	描述	数据表
AD7302BR-REEL7	ADI	完全替代	IC PARALLEL, 8 BITS INPUT LOADING, 1.2 us SETTLING TIME, 8-BIT DAC, PDSO20, SOIC-20, Digit
AD7302BRZ-REEL7	ADI	完全替代	2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC
AD7302BRZ	ADI	完全替代	2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC

与AD7302BR相关器件

型号	品牌	获取价格	描述	数据表
AD7302BR-REEL	ADI	获取价格	IC PARALLEL, 8 BITS INPUT LOADING, 1.2 us SETTLING TIME, 8-BIT DAC, PDSO20, SOIC-20, Digit
AD7302BR-REEL	ROCHESTER	获取价格	PARALLEL, 8 BITS INPUT LOADING, 1.2 us SETTLING TIME, 8-BIT DAC, PDSO20, SOIC-20
AD7302BR-REEL7	ADI	获取价格	IC PARALLEL, 8 BITS INPUT LOADING, 1.2 us SETTLING TIME, 8-BIT DAC, PDSO20, SOIC-20, Digit
AD7302BRU	ADI	获取价格	2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC
AD7302BRU	ROCHESTER	获取价格	PARALLEL, 8 BITS INPUT LOADING, 1.2 us SETTLING TIME, 8-BIT DAC, PDSO20, TSSOP-20
AD7302BRU-REEL	ADI	获取价格	暂无描述
AD7302BRUZ	ROCHESTER	获取价格	PARALLEL, 8 BITS INPUT LOADING, 1.2 us SETTLING TIME, 8-BIT DAC, PDSO20, TSSOP-20
AD7302BRUZ	ADI	获取价格	2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC
AD7302BRUZ-REEL	ADI	获取价格	2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC
AD7302BRUZ-REEL7	ROCHESTER	获取价格	PARALLEL, 8 BITS INPUT LOADING, 1.2 us SETTLING TIME, 8-BIT DAC, PDSO20, TSSOP-20

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