AD5447YRUZ Analog Devices, AD5447YRUZ Datasheet

AD5447YRUZ

Manufacturer Part Number

AD5447YRUZ

Description

Manufacturer

Analog Devices

Datasheet

1.AD5447YRU-REEL7.pdf (32 pages)

Specifications of AD5447YRUZ

06+

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FEATURES

10 MHz multiplying bandwidth

INL of ±0.25 LSB @ 8 bits

20-lead and 24-lead TSSOP packages

2.5 V to 5.5 V supply operation

±10 V reference input

21.3 MSPS update rate

Extended temperature range: −40°C to 125°C

4-quadrant multiplication

Power-on reset

0.5 μA typical current consumption

Guaranteed monotonic

Readback function

AD7528 upgrade (AD5428)

AD7547 upgrade (AD5447)

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

Rev. A

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.

INPUTS

DATA

DAC A/B

DGND

DB11

DB7

DB9

R/W

DB0

AD5428/AD5440/AD5447

FUNCTIONAL BLOCK DIAGRAM

POWER-ON

CONTROL

BUFFER

RESET

INPUT

LOGIC

Multiplying DACs with Parallel Interface

Figure 1. AD5428/AD5440/AD5447

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

LATCH

GENERAL DESCRIPTION

The AD5428/AD5440/AD5447

dual-channel, current output digital-to-analog converters (DACs),

respectively. These devices operate from a 2.5 V to 5.5 V power

supply, making them suited to battery-powered and other

applications.

As a result of being manufactured on a CMOS submicron process,

they offer excellent 4-quadrant multiplication characteristics,

with large signal multiplying bandwidths of up to 10 MHz.

The DACs use 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 applied external reference input voltage (V

the full-scale output current. An integrated feedback resistor (R

provides temperature tracking and full-scale voltage output when

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

The AD5428 is available in a small 20-lead TSSOP package, and

the AD5440/AD5447 DACs are available in small 24-lead TSSOP

packages.

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

Tel: 781.329.4700

Fax: 781.461.3113

U.S. Patent Number 5,689,257.

8-/10-/12-BIT

R-2R DAC A

R-2R DAC B

REF

AD5428/AD5440/AD5447

AGND

OUT

are CMOS, 8-, 10-, and 12-bit,

www.analog.com

REF

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