AD5347BCP

更新时间： 2024-11-28 22:03:55

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器
页数	文件大小	规格书
24页	1184K
描述
2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface

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AD5347BCP 数据手册

2.5 V to 5.5 V, Parallel Interface

Octal Voltage Output 8-/10-/12-Bit DACs

AD5346/AD5347/AD5348

GENERAL DESCRIPTION

FEATURES

The AD5346/AD5347/AD5348¹are octal 8-, 10-, and 12-bit

DACs, operating from a 2.5 V to 5.5 V supply. These devices

incorporate an on-chip output buffer that can drive the output

to both supply rails, and also allow a choice of buffered or

unbuffered reference input.

AD5346: octal 8-bit DAC

AD5347: octal 10-bit DAC

AD5348: octal 12-bit DAC

Low power operation: 1.4 mA (max) @ 3.6 V

Power-down to 120 nA @ 3 V, 400 nA @ 5 V

Guaranteed monotonic by design over all codes

Rail-to-rail output range: 0 V to V_REFor 0 V to 2 × V_REF

Power-on reset to 0 V

The AD5346/AD5347/AD5348 have a parallel interface.

selects the device and data is loaded into the input registers on

the rising edge of

. A readback feature allows the internal

LDAC

Simultaneous update of DAC outputs via

DAC registers to be read back through the digital port.

CLR

Asynchronous

Readback

facility

The GAIN pin on these devices allows the output range to be

Buffered/unbuffered reference inputs

38-lead TSSOP/6 mm × 6 mm 40-lead LFCSP packaging

Temperature range: –40°C to +105°C

set at 0 V to V_REFor 0 V to 2 × V_REF

Input data to the DACs is double-buffered, allowing simultane-

LDAC

20 ns

time

ous update of multiple DACs in a system using the

pin.

input is also provided, which resets the

CLR

An asynchronous

APPLICATIONS

contents of the input register and the DAC register to all zeros.

These devices also incorporate a power-on reset circuit that

ensures that the DAC output powers on to 0 V and remains

there until valid data is written to the device.

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

Optical networking

Automatic test equipment

Mobile communications

Programmable attenuators

Industrial process control

All three parts are pin compatible, which allows users to select

the amount of resolution appropriate for their application

without redesigning their circuit board.

FUNCTIONAL BLOCK DIAGRAM

REF

AGND DGND

REF

POWER-ON

RESET

AD5348

BUF

INPUT

DAC

STRING

DAC A

GAIN

BUFFER

OUT

DB11

INPUT

DAC

STRING

DAC B

BUFFER

OUT

DB0

INPUT

DAC

STRING

DAC C

OUT

INTER-

FACE

LOGIC

DAC

INPUT

STRING

DAC D

BUFFER

OUT

DAC

INPUT

STRING

DAC E

OUT

DAC

INPUT

STRING

DAC F

OUT

BUFFER

INPUT

DAC

STRING

DAC G

OUT

DAC

INPUT

STRING

DAC H

OUT

CLR

POWER-DOWN

LOGIC

LDAC

REF

Figure 1.

¹Protected by U.S. Patent No. 5,969,657; other patents pending.

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 that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

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与AD5347BCP相关器件

型号	品牌	获取价格	描述	数据表
AD5347BCP-REEL	ADI	获取价格	2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface
AD5347BCP-REEL7	ADI	获取价格	2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface
AD5347BCPZ	ADI	获取价格	暂无描述
AD5347BCPZ	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 7 us SETTLING TIME, 10-BIT DAC, QCC40, 6 X 6 MM, MO-220-VJJD
AD5347BRU	ADI	获取价格	2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface
AD5347BRU-REEL	ADI	获取价格	2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface
AD5347BRU-REEL7	ADI	获取价格	2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface
AD5347BRUZ	ADI	获取价格	暂无描述
AD5347BRUZ	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 7 us SETTLING TIME, 10-BIT DAC, PDSO38, MO-153BD-1, TSSOP-38
AD5348	ADI	获取价格	2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface

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