AD7801BRUZ

更新时间： 2024-11-05 12:53:43

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	222K
描述
2.7 V to 5.5 V, Parallel Input, Voltage Output 8-Bit DAC

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替代型号

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AD7801BRUZ 数据手册

+2.7 V to +5.5 V, Parallel Input,

Voltage Output 8-Bit DAC

AD7801

FUNCTIO NAL BLO CK D IAGRAM

FEATURES

Single 8-Bit DAC

20-Pin SOIC/ TSSOP Package

+2.7 V to +5.5 V Operation

Internal and External Reference Capability

DAC Pow er-Dow n Function

Parallel Interface

On-Chip Output Buffer Rail-to-Rail Operation

Low Pow er Operation 1.75 m A m ax @ 3.3 V

Pow er-Dow n to 1 ␮A m ax @ 25؇C

INPUT

DAC

I DAC

MUX

I/V

OUT

POWER-ON

RESET

CONTROL

LOGIC

÷2

AGND

AD7801

REFIN

DGND

CLR

LDAC

APPLICATIONS

Portable Battery Pow ered Instrum ents

Digital Gain and Offset Adjustm ent

Program m able Voltage and Current Sources

Program m able Attenuators

GENERAL D ESCRIP TIO N

P RO D UCT H IGH LIGH TS

1. Low Power, Single Supply operation. T his part operates

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

5 mW at 3 V, making it ideal for battery powered applications.

T he AD7801 is a single, 8-bit, voltage out DAC that operates

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

buffer allows the DAC output to swing rail to rail. T he AD7801

has a parallel microprocessor and DSP compatible interface with

high speed registers and double buffered interface logic. Data is

loaded to the input register on the rising edge of CS or WR.

2. T he on-chip output buffer amplifier allows the output of the

DAC 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 the AD7801 can be either an internal

reference derived from the V_DDor an external reference applied

at the REFIN pin. T he output of the DAC 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 SOIC and T SSOP packages.

T he low power consumption of this part makes it ideally suited

to portable battery operated equipment. T he power consump-

tion is less than 5 mW at 3.3 V, reducing to less than 3 µW in

power-down mode.

T he AD7801 is available in a 20-lead SOIC and a 20-lead

T SSOP package.

REV. 0

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/ 329-4700

Fax: 617/ 326-8703

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

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AD7801BRUZ 替代型号

型号	品牌	替代类型	描述	数据表
AD7801BRU	ADI	完全替代	+2.7 V to +5.5 V, Parallel Input, Voltage Output 8-Bit DAC

与AD7801BRUZ相关器件

型号	品牌	获取价格	描述	数据表
AD7801BRUZ-REEL7	ADI	获取价格	+2.7 V to +5.5 V, Parallel Input, Voltage Output 8-Bit DAC
AD7801BRZ-REEL	ADI	获取价格	2.7 V to 5.5 V, Parallel Input, Voltage Output 8-Bit DAC
AD7801BRZ-REEL7	ADI	获取价格	+2.7 V to +5.5 V, Parallel Input, Voltage Output 8-Bit DAC
AD7804	ADI	获取价格	+3.3 V to +5 V Quad/Octal 10-Bit DACs
AD7804_15	ADI	获取价格	3.3 V to 5 V Quad/Octal 10-Bit DACs
AD7804BCHIPS	ADI	获取价格	+3.3 V to +5 V Quad/Octal 10-Bit DAC
AD7804BN	ADI	获取价格	+3.3 V to +5 V Quad/Octal 10-Bit DACs
AD7804BNZ	ROCHESTER	获取价格	SERIAL INPUT LOADING, 1.5 us SETTLING TIME, 10-BIT DAC, PDIP16, PLASTIC, DIP-16
AD7804BR	ADI	获取价格	+3.3 V to +5 V Quad/Octal 10-Bit DACs
AD7804BR	ROCHESTER	获取价格	SERIAL INPUT LOADING, 1.5 us SETTLING TIME, 10-BIT DAC, PDSO16, SOIC-16

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