AD5445

更新时间： 2024-11-20 22:49:59

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	884K
描述
8-/10-/12-Bit, High Bandwidth, Multiplying DACs with Parallel Interface

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AD5445 数据手册

8-/10-/12-Bit, High Bandwidth,

Multiplying DACs with Parallel Interface

AD5424/AD5433/AD5445^*

FEATURES

FUNCTIONAL BLOCK DIAGRAM

2.5 V to 5.5 V Supply Operation

Fast Parallel Interface (17 ns Write Cycle)

10 MHz Multiplying Bandwidth

REF

AD5424/

AD5433/

AD5445

OUT

ꢀ10 V Reference Input

8-/10-/12-BIT

R-2R DAC

OUT

Extended Temperature Range –40ꢁC to +125ꢁC

20-Lead TSSOP and Chip Scale (4 mm ꢂ 4 mm) Packages

8-, 10-, and 12-Bit Current Output DACs

Upgrades to AD7524/AD7533/AD7545

Pin Compatible 8-, 10-, and 12-Bit DACs in Chip Scale

Guaranteed Monotonic

POWER-ON

RESET

DAC REGISTER

INPUT LATCH

R/W

4-Quadrant Multiplication

Power-On Reset with Brownout Detection

Readback Function

0.4 ꢃA Typical Power Consumption

DB7/DB9/DB11

DB0

GND

DATA

INPUTS

APPLICATIONS

Portable Battery-Powered Applications

Waveform Generators

Analog Processing

Instrumentation Applications

Programmable Amplifiers and Attenuators

Digitally-Controlled Calibration

Programmable Filters and Oscillators

Composite Video

Ultrasound

Gain, Offset, and Voltage Trimming

GENERAL DESCRIPTION

The AD5424/AD5433/AD5445 are CMOS 8-, 10-, and 12-bit

current output digital-to-analog converters (DACs), respectively.

The applied external reference input voltage (V_REF) determines

the full-scale output current. An integrated feedback resistor

(R_FB) provides temperature tracking and full-scale voltage output

when combined with an external I-to-V precision amplifier.

These devices operate from a 2.5 V to 5.5 V power supply,

making them suited to battery-powered applications and many

other applications.

While these devices are upgrades of AD7524/AD7533/AD7545

in multiplying bandwidth performance, they have a latched

interface and cannot be used in transparent mode.

These DACs utilize data readback allowing the user to read the

contents of the DAC register via the DB pins. On power-up, the

internal register and latches are filled with 0s and the DAC

outputs are at zero scale.

The AD5424 is available in small 20-lead LFCSP and 16-lead

TSSOP packages, while the AD5433/AD5445 DACs are avail-

able in small 20-lead LFCSP and TSSOP packages.

As a result of manufacture on a CMOS submicron process, they

offer excellent 4-quadrant multiplication characteristics, with

large signal multiplying bandwidths of up to 10 MHz.

*U.S. Patent No. 5,689,257

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, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. 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

12 3 4 5 6 7...24

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与AD5445相关器件

型号	品牌	获取价格	描述	数据表
AD5445BCP	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 0.04 us SETTLING TIME, 12-BIT DAC, QCC20, 4 X 4 MM, CSP-2
AD5445BRU	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 0.04 us SETTLING TIME, 12-BIT DAC, PDSO20, TSSOP-20, Digi
AD5445YCP	ADI	获取价格	8-/10-/12-Bit, High Bandwidth Multiplying DACs with Parallel Interface
AD5445YCP-REEL	ADI	获取价格	8-/10-/12-Bit, High Bandwidth Multiplying DACs with Parallel Interface
AD5445YCP-REEL7	ADI	获取价格	8-/10-/12-Bit, High Bandwidth Multiplying DACs with Parallel Interface
AD5445YCPZ	ADI	获取价格	8-/10-/12-Bit, High Bandwidth Multiplying DACs with Parallel Interface
AD5445YRU	ADI	获取价格	8-/10-/12-Bit, High Bandwidth Multiplying DACs with Parallel Interface
AD5445YRU-REEL	ADI	获取价格	8-/10-/12-Bit, High Bandwidth Multiplying DACs with Parallel Interface
AD5445YRU-REEL7	ADI	获取价格	8-/10-/12-Bit, High Bandwidth Multiplying DACs with Parallel Interface
AD5445YRUZ	ADI	获取价格	8-/10-/12-Bit, High Bandwidth Multiplying DACs with Parallel Interface

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