MAX5312EAE+T【PDF 1/19 页】IC DAC 12BIT 5V/10V SER 16-SSOP

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General Description

The MAX5312 12-bit, serial-interface, digital-to-analog

converter (DAC) provides bipolar ±5V to ±10V outputs

from ±12V to ±15V power-supply voltages, or a unipo-

lar 5V to 10V output from a single 12V to 15V power-

supply voltage.

The MAX5312 features excellent linearity with both inte-

gral nonlinearity (INL) and differential nonlinearity (DNL)

guaranteed to ±1 LSB (max). The device also features

a fast 10s to 0.5 LSB settling time, and a hardware-

shutdown feature that reduces current consumption to

3.5A. The output goes to midscale at power-up in

bipolar mode (0V), and to zero scale at power-up in

unipolar mode (0V). A clear input (CLR) asynchronously

clears the DAC register and sets the output to 0V. The

output can be asynchronously updated with the load

DAC (LDAC) input.

The device features a 10MHz SPI-/QSPI-/

MICROWIRE-compatible serial interface that oper-

ates with 3V or 5V logic. Additional features include a

serial-data output (DOUT) for daisy chaining and read-

back functions. The MAX5312 requires a 2V to 5.25V

external reference voltage and is available in a 16-pin

SSOP package that operates over the extended -40

°C

to +85

°C temperature range.

Applications

Motor Control

Industrial Process Controls

Industrial Automation

Automatic Test Equipment (ATE)

Analog I/O Boards

Data-Acquisition Systems

Features

Unipolar or Bipolar Output-Voltage Ranges

Unipolar: 0 to (+2 x VREF) (Single or Dual

Supply)

Bipolar: (-2 x VREF) to (+2 x VREF) (Dual Supply)

Guaranteed INL ≤ ±1 LSB (max)

Guaranteed Monotonic: DNL ≤ ±1 LSB (max)

10s Settling Time to 0.5 LSB

Low 3.5A Shutdown Current

10MHz SPI-/QSPI-/MICROWIRE-Compatible Serial

Interface

Power-On Reset Sets DAC Output to 0V

Schmitt Trigger Inputs for Direct

Optocoupler Interface

Serial-Data Output Allows Daisy Chaining

of Devices

Small 16-Pin SSOP

MAX5312

±10V, 12-Bit, Serial, Voltage-Output DAC

________________________________________________________________ Maxim Integrated Products

Ordering Information

19-3119; Rev 0; 12/03

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

EVALUATION

KIT

AVAILABLE

PART

TEMP RANGE

PIN-PACKAGE

MAX5312EAE

-40

°C to +85°C

16 SSOP

SCLK

VDD

REF

VSS

AGND

SGND

OUT

TOP VIEW

MAX5312

SSOP

DIN

VCC

DOUT

DGND

SHDN

UNI/BIP

LDAC

CLR

Pin Configuration

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

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