AD5762RCSUZ-REEL7 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD5762RCSUZ-REEL7

Complete Dual, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC

Analog Devices 

Data Sheet

Complete Dual, 16-Bit, High Accuracy,

Serial Input, Bipolar Voltage Output DAC

AD5762R

FEATURES

Complete dual, 16-bit, digital-to-analog converter (DAC)

Programmable output range: ±10 V, ±10.2564 V, or ±10.5263 V

±1 LSB maximum INL error, ±1 LSB maximum DNL error

Low noise: 60 nV/√Hz

Settling time: 10 µs maximum

Integrated reference buffers

Internal reference: 10 ppm/°C maximum

On-chip die temperature sensor

Output control during power-up/brownout

Programmable short-circuit protection

Simultaneous updating via LDAC

Asynchronous CLR to zero code

Digital offset and gain adjust

Logic output control pins

DSP-/microcontroller-compatible serial interface

Temperature range: −40°C to +85°C

Industrial complementary metal-oxide semiconductor

(iCMOS) process technology

APPLICATIONS

Industrial automation

Open-loop/closed-loop servo control

Process control

Data acquisition systems

Automatic test equipment

Automotive test and measurement

High accuracy instrumentation

GENERAL DESCRIPTION

The AD5762R is a dual, 16-bit, serial input, bipolar voltage output

DAC that operates from supply voltages of ±11.4 V to ±16.5 V.

Nominal full-scale output range is ±10 V. The AD5762R provides

integrated output amplifiers, reference buffers, and proprietary

power-up/power-down control circuitry. The device also features a

digital input/output port, programmed via the serial interface,

and an analog temperature sensor. The device incorporates

digital offset and gain adjust registers per channel.

The AD5762R is a high performance converter that provides

guaranteed monotonicity, an integral nonlinearity (INL) of

±1 LSB, low noise, and a 10 µs settling time. The AD5762R

includes an on-chip 5 V reference with a reference temperature

coefficient of 10 ppm/°C maximum. During power-up when the

supply voltages are changing, VOUTx is clamped to 0 V via a low

impedance path.

The AD5762R is based on the iCMOS® technology platform, which

is designed for analog systems designers within industrial/instru-

mentation equipment original equipment manufacturers (OEMs)

who need high performance ICs at higher voltage levels. iCMOS

enables the development of analog ICs capable of 30 V and

operation at ±15 V supplies, while allowing reductions in power

consumption and package size coupled with increased ac and dc

performance.

The AD5762R uses a serial interface that operates at clock rates

of up to 30 MHz and is compatible with DSP and microcontroller

interface standards. Double buffering allows the simultaneous

updating of all DACs. The input coding is programmable to either

twos complement or offset binary formats. The asynchronous

clear function clears all DAC registers to either bipolar zero or

zero scale, depending on the coding used. The AD5762R is

ideal for both closed-loop servo control and open-loop control

applications. The AD5762R is available in a 32-lead TQFP and

offers guaranteed specifications over the −40°C to +85°C

industrial temperature range (see Figure 1 for the functional

block diagram).

Rev. D

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