max5774 Maxim Integrated Products, Inc., max5774 Datasheet

max5774

Manufacturer Part Number

max5774

Description

32-channel, 14-bit, Voltage-output Dacs With Serial Interface

Manufacturer

Maxim Integrated Products, Inc.

Datasheet

1.MAX5774.pdf (28 pages)

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Download datasheet (927Kb)

The MAX5773/MAX5774/MAX5775 32-channel, 14-bit,

voltage-output, digital-to-analog converters (DACs) are

ideal for applications requiring a high number of pro-

grammable voltages. The MAX5773/MAX5774/

MAX5775 can be programmed to calibrate the 14-bit

input data word for gain and offset errors before updat-

ing the DAC output.

An SPI™-/QSPI™-/MICROWIRE™- or DSP-compatible

serial interface controls the MAX5773/MAX5774/

MAX5775. Each DAC channel has its own input, gain,

and offset register. These three registers pass data

through one of the two multiplier accumulator units

(MACs), resulting in a voltage output corrected for gain

and offset error. Each DAC channel has a double-

buffered input structure to minimize the digital-noise

feedthrough from the digital inputs to the outputs, and

allows for synchronous or asynchronous updating of

the outputs. The DAC outputs update independently or

simultaneously with a single software or hardware com-

mand. The MAX5773/MAX5774/MAX5775 also provide

a digital output (DOUT) that allows for readback or

daisy chaining of multiple devices.

All DAC outputs are buffered and drive 10kΩ in parallel

with 100pF. The MAX5773 has a 0 to +10V output

range; the MAX5774 has a -2.5V to +7.5V output range;

and the MAX5775 has a -5V to +5V output range.

The MAX5773/MAX5774/MAX5775 are available in a

68-pin, 10mm x 10mm, TQFN package and a 64-pin,

12mm x 12mm, TQFP package. The MAX5773/

MAX5774/MAX5775 are specified over the 0°C to +85°C

temperature range. Refer to the MAX5753/MAX5754/

MAX5755 data sheet for similar 14-bit, 32-channel DACs

without offset and gain calibration.

19-3686; Rev 2; 4/06

SPI/QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

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.

Automatic Test Systems

Optical Router Controls

Industrial Process Controls

Arbitrary Function Generators

Avionics Equipment

Minimum Component Count Analog Systems

Digital Offset/Gain Adjustment

________________________________________________________________ Maxim Integrated Products

General Description

32-Channel, 14-Bit, Voltage-Output

Applications

DACs with Serial Interface

♦ Offset and Gain Correction for Each DAC Channel

♦ Guaranteed Monotonic to 14 Bits

♦ 32 Individual DACs in a 10mm x 10mm, 68-Pin

♦ Output Voltage Ranges

♦ Buffered Voltage Outputs Drive 10kΩ || 100pF

♦ Glitch-Free Power-Up

♦ SPI/QSPI/MICROWIRE- and DSP-Compatible

Note: All devices are specified over the 0°C to +85°C temper-

ature range.

*Future product—contact factory for availability.

**EP = Exposed paddle.

MAX5773UTK*

MAX5773UCB*

MAX5774UTK*

MAX5774UCB

MAX5775UTK*

MAX5775UCB*

Pin Configurations continued at end of data sheet.

TQFN Package or 12mm x 12mm, 64-Pin TQFP

Package

33MHz Serial Interface

0 to +10V (MAX5773)

-2.5V to +7.5V (MAX5774)

-5V to +5V (MAX5775)

PART

REFGND

OUT27

OUT28

OUT29

OUT30

OUT31

OUT15

OUT14

OUT13

OUT12

OUT11

OUT10

N.C.

TOP VIEW

PIN-PACKAGE

68 TQFN-EP**

64 TQFP

68 TQFN-EP**

64 TQFP

68 TQFN-EP**

64 TQFP

Ordering Information

MAX5773

MAX5774

MAX5775

TQFP

Pin Configurations

RANGE (V)

-2.5 to +7.5

VOLTAGE

OUTPUT

0 to +10

-5 to +5

Features

REF

REFGND

GS1

RESET

LDAC

DGND

DIN

SCLK

DOUT

DSP

GS2

DGND

T6800-3

C64-12

CODE

PKG

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