Datasheet > AD7303BRZ-REEL

AD7303BRZ-REEL

更新时间： 2024-09-18 21:05:55

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管转换器
页数	文件大小	规格书
17页	420K
描述
+2.7 V to +5.5 V, Serial Input, Dual Voltage Output 8-Bit DAC

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AD7303BRZ-REEL 数据手册

+2.7 V to +5.5 V, Serial Input, Dual

Voltage Output 8-Bit DAC

AD7303

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Two 8-Bit DACs in One Package

8-Pin DIP/SOIC and microSOIC Packages

+2.7 V to +5.5 V Operation

Internal & External Reference Capability

Individual DAC Power-Down Function

Three-Wire Serial Interface

QSPI™, SPI™ and Microwire™ Compatible

On-Chip Output Buffer

Rail-to-Rail Operation

AD7303

INPUT

DAC

I DAC A

I/V

OUT

DAC

INPUT

I DAC B

MUX

POWER ON

RESET

CONTROL (8)

DATA (8)

DIN

SCLK

SYNC

On-Chip Control Register

Low Power Operation: 2.3 mA @ 3.3 V

Full Power-Down to 1 ␮A max, typically 80 nA

16-BIT SHIFT REGISTER

÷2

REF

GND

APPLICATIONS

Portable Battery Powered Instruments

Digital Gain and Offset Adjustment

Programmable Voltage and Current Sources

Programmable Attenuators

PRODUCT HIGHLIGHTS

GENERAL DESCRIPTION

1. Low power, single supply operation. This part operates from

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

15 mW at 5.5 V, making it ideal for battery powered

applications.

The AD7303 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 out-

put buffers allow the DAC outputs to swing rail to rail. This de-

vice uses a versatile 3-wire serial interface that operates at clock

rates up to 30 MHz, and is compatible with QSPI, SPI, microwire

and digital signal processor interface standards. The serial input

and the remaining eight bits make up a control register.

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 serial interface with clock rates up to 30 MHz.

The on-chip control register is used to address the relevant

DAC, to power down the complete device or an individual

DAC, to select internal or external reference and to provide a

synchronous loading facility for simultaneous update of the

DAC outputs with a software LDAC function.

5. Individual power-down of each DAC provided. When com-

pletely powered down, the DAC consumes typically 80 nA.

The low power consumption of this part makes it ideally suited

to portable battery operated equipment. The power consump-

tion is 7.5 mW max at 3 V, reducing to less than 3 µW in full

power-down mode.

The AD7303 is available in an 8-pin plastic dual in-line pack-

age, 8-lead SOIC and microSOIC packages.

QSPI and SPI are trademarks of Motorola.

Microwire is a trademark of National Semiconductor.

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

12 3 4 5 6 7...17

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AD7303BRZ-REEL 替代型号

型号	品牌	替代类型	描述	数据表
AD7303BR	ADI	完全替代	+2.7 V to +5.5 V, Serial Input, Dual Voltage Output 8-Bit DAC
AD7303BRZ	ADI	类似代替	2.7 V to 5.5 V, Serial Input, Dual Voltage Output 8-Bit DAC

与AD7303BRZ-REEL相关器件

型号	品牌	获取价格	描述	数据表
AD7303BRZ-REEL7	ADI	获取价格	+2.7 V to +5.5 V, Serial Input, Dual Voltage Output 8-Bit DAC
AD7304	ADI	获取价格	+3 V/+5 V, Rail-to-Rail Quad, 8-Bit DAC
AD7304_15	ADI	获取价格	3 V/5 V, Rail-to-Rail Quad, 8-Bit DAC
AD7304BN	ADI	获取价格	+3 V/+5 V, Rail-to-Rail Quad, 8-Bit DAC
AD7304BR	ADI	获取价格	+3 V/+5 V, Rail-to-Rail Quad, 8-Bit DAC
AD7304BR-REEL	ADI	获取价格	3 V/5 V, Rail-to-Rail Quad, 8-Bit DAC
AD7304BR-REEL	ROCHESTER	获取价格	SERIAL INPUT LOADING, 1 us SETTLING TIME, 8-BIT DAC, PDSO16, MS-013AA, SOIC-16
AD7304BR-REEL7	ADI	获取价格	IC SERIAL INPUT LOADING, 1 us SETTLING TIME, 8-BIT DAC, PDSO16, MS-013AA, SOIC-16, Digital
AD7304BRU	ADI	获取价格	+3 V/+5 V, Rail-to-Rail Quad, 8-Bit DAC
AD7304BRU	ROCHESTER	获取价格	SERIAL INPUT LOADING, 1 us SETTLING TIME, 8-BIT DAC, PDSO16, 1.10 MM HEIGHT, MO-153AB, TSS

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