Rainbow-electronics MAX5295 User Manual download pdf

General Description

The MAX5290–MAX5295 dual, 12-/10-/8-bit, voltage-

output digital-to-analog converters (DACs) offer

buffered outputs and a 3µs maximum settling time at

the 12-bit level. The DACs operate from a 2.7V to 3.6V

analog supply and a separate 1.8V to 3.6V digital sup-

ply. The 20MHz 3-wire serial interface is compatible

with SPI™, QSPI™, MICROWIRE™, and digital signal

processor (DSP) protocol applications. Multiple devices

can share a common serial interface in direct access or

daisy-chained configuration. The MAX5290–MAX5295

provide two multifunctional, user-programmable, digital

I/O ports. The externally selectable power-up states of

the DAC outputs are either zero scale, midscale, or full

scale. Software-selectable FAST and SLOW settling

modes decrease settling time in FAST mode, or reduce

supply current in SLOW mode.

The MAX5290/MAX5291 are 12-bit DACs, the MAX5292/

MAX5293 are 10-bit DACs, and the MAX5294/MAX5295

are 8-bit DACs. The MAX5290/ MAX5292/MAX5294 pro-

vide unity-gain-configured output buffers, while the

MAX5291/MAX5293/MAX5295 provide force-sense-con-

figured output buffers. The MAX5290– MAX5295 are

specified over the extended -40°C to +85°C temperature

range, and are available in space-saving 4mm x 4mm,

16-pin thin QFN and 6.5mm x 5mm, 14-pin and 16-pin

TSSOP packages.

Applications

Portable Instrumentation

Automatic Test Equipment (ATE)

Digital Offset and Gain Adjustment

Automatic Tuning

Programmable Voltage and Current Sources

Programmable Attenuators

Industrial Process Controls

Motion Control

Microprocessor (µP)-Controlled Systems

Power Amplifier Control

Fast Parallel-DAC to Serial-DAC Upgrades

Features

♦ Dual, 12-/10-/8-Bit Serial DACs in 4mm x 4mm

Thin QFN and TSSOP Packages

♦ 3µs (max) 12-Bit Settling Time to 1/2 LSB

♦ Integral Nonlinearity

1 LSB (max) MAX5290/MAX5291 A-Grade (12-Bit)

1 LSB (max) MAX5292/MAX5293 (10-Bit)

1/2 LSB (max) MAX5294/MAX5295 (8-Bit)

♦ Guaranteed Monotonic, ±1 LSB (max) DNL

♦ Two User-Programmable Digital I/O Ports

♦ Single +2.7V to +3.6V Analog Supply

♦ +1.8V to AV

Digital Supply

♦ 20MHz 3-Wire SPI-/QSPI-/MICROWIRE- and

DSP-Compatible Serial Interface

♦ Glitch-Free Outputs Power Up to Zero Scale,

Midscale or Full Scale

♦ Unity-Gain- or Force-Sense-Configured Output

Buffers

MAX5290–MAX5295

Buffered, Fast-Settling, Dual, 12-/10-/8-Bit,

Voltage-Output DACs

________________________________________________________________ Maxim Integrated Products 1

Ordering Information

19-3005; Rev 0; 11/03

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.

*Future product—contact factory for availability. Specifications

are preliminary.

**EP = Exposed paddle.

Selector Guide and Pin Configurations appear at end of data

sheet.

SPI/QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

PART TEMP RANGE PIN-PACKAGE

MAX5290AEUD* -40°C to +85°C 14 TSSOP

MAX5290BEUD -40°C to +85°C 14 TSSOP

MAX5290AETE* -40°C to +85°C 16 Thin QFN-EP**

MAX5290BETE* -40°C to +85°C 16 Thin QFN-EP**

MAX5291AEUE* -40°C to +85°C 16 TSSOP

MAX5291BEUE -40°C to +85°C 16 TSSOP

MAX5291AETE* -40°C to +85°C 16 Thin QFN-EP**

MAX5291BETE* -40°C to +85°C 16 Thin QFN-EP**

MAX5292EUD -40°C to +85°C 14 TSSOP

MAX5292ETE* -40°C to +85°C 16 Thin QFN-EP**

MAX5293EUE -40°C to +85°C 16 TSSOP

MAX5293ETE* -40°C to +85°C 16 Thin QFN-EP**

MAX5294EUD -40°C to +85°C 14 TSSOP

MAX5294ETE* -40°C to +85°C 16 Thin QFN-EP**

MAX5295EUE -40°C to +85°C 16 TSSOP

MAX5295ETE* -40°C to +85°C 16 Thin QFN-EP**

1 2 3 4 5 6 ... 32 33

Summary of Contents

Page 1 - Voltage-Output DACs

General DescriptionThe MAX5290–MAX5295 dual, 12-/10-/8-bit, voltage-output digital-to-analog converters (DACs) offerbuffered outputs and a 3µs maximum

Page 2

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MAX5290–MAX5295Buffered, Fast-Settling, Dual, 12-/10-/8-Bit,Voltage-Output DACsMaxim cannot assume responsibility for use of any circuitry other than

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Rainbow-electronics MAX5295 User Manual

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