MAX5702AAUB+ Maxim Integrated, MAX5702AAUB+ Datasheet

MAX5702AAUB+

Manufacturer Part Number

MAX5702AAUB+

Description

Digital to Analog Converters - DAC 12-Bit 2Ch DAC w/SPI

Manufacturer

Maxim Integrated

Datasheet

1.MAX5702AAUB.pdf (26 pages)

Specifications of MAX5702AAUB+

Rohs

yes

Resolution

12 bit

Interface Type

SPI

Settling Time

4.5 us

Maximum Operating Temperature

+ 125 C

Mounting Style

SMD/SMT

Package / Case

uMAX-10

Maximum Power Dissipation

707 mW

Minimum Operating Temperature

- 40 C

Supply Current

250 uA

Supply Voltage - Max

5.5 V

Supply Voltage - Min

1.8 V

Voltage Reference

10 PPM / C

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The MAX5700/MAX5701/MAX5702 2-channel, low-power,

8-/10-/12-bit, voltage-output digital-to-analog converters

(DACs) include output buffers and an internal reference

that is selectable to be 2.048V, 2.500V, or 4.096V. The

MAX5700/MAX5701/MAX5702 accept a wide supply

voltage range of 2.7V to 5.5V with extremely low power

(1.5mW) consumption to accommodate most low-voltage

applications. A precision external reference input allows

rail-to-rail operation and presents a 100kI (typ) load to

an external reference.

The MAX5700/MAX5701/MAX5702 have an a 50MHz 3-wire

SPI/QSPI™/MICROWIRE®/DSP-compatible serial interface.

The DAC output is buffered and has a low supply current

of less than 250FA per channel and a low offset error of

Q0.5mV (typ). On power-up, the MAX5700/MAX5701/

MAX5702 reset the DAC outputs to zero, providing addi-

tional safety for applications that drive valves or other

transducers which need to be off on power-up. The inter-

nal reference is initially powered down to allow use of an

external reference. The MAX5700/MAX5701/MAX5702

allow simultaneous output updates using software LOAD

commands.

A clear logic input (CLR) allows the contents of the CODE

and the DAC registers to be cleared asynchronously and

sets the DAC outputs to zero. The MAX5700/MAX5701/

MAX5702 are available in a 10-pin µMAXM and an ultra-

small, 10-pin TDFN package and are specified over the

-40NC to +125NC temperature range.

Ordering Information

QSPI is a trademark of Motorola, Inc.

Semiconductor Corporation.

µMAX is a registered trademark of Maxim Integrated Products,

MICROWIRE is a registered trademark of National

For pricing, delivery, and ordering information, please contact Maxim Direct

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

Ultra-Small, Dual-Channel, 8-/10-/12-Bit Buffered Output

Programmable Voltage and Current Sources

Gain and Offset Adjustment

Automatic Tuning and Optical Control

Power Amplifier Control and Biasing

Process Control and Servo Loops

Portable Instrumentation

Data Acquisition

DACs with Internal Reference and SPI Interface

appears at end of data sheet.

General Description

Applications

MAX5700/MAX5701/MAX5702

Inc.

S Two High-Accuracy DAC Channels

S Three Precision Selectable Internal References

S Internal Output Buffer

S Small 5mm x 3mm 10-Pin µMAX or Ultra-Small

S Wide 2.7V to 5.5V Supply Range

S Separate 1.8V to 5.5V V

S 50MHz 3-Wire SPI/QSPI/MICROWIRE/DSP

S Power-On-Reset to Zero-Scale DAC Output

S CLR For Asynchronous Control

S Three Software-Selectable Power-Down Output

S Low 350µA Supply Current at 3V V

For related parts and recommended products to use with this part,

refer to:

SCLK

CSB

CLR

DIN

 12-Bit Accuracy Without Adjustment

 ±1 LSB INL Buffered Voltage Output

 Monotonic Over All Operating Conditions

 Independent Mode Settings for Each DAC

 2.048V, 2.500V, or 4.096V

 Rail-to-Rail Operation with External Reference

 4.5µs Settling Time

 Outputs Directly Drive 2kI Loads

3mm x 3mm 10-Pin TDFN Package

Compatible Serial Interface

Impedances

 1kI, 100kI, or High Impedance

DDIO

SPI SERIAL

INTERFACE

www.maximintegrated.com/MAX5700.related

POR

CODE

CLEAR/

CODE

RESET

DAC CONTROL LOGIC

INTERNAL REFERENCE/

EXTERNAL BUFFER

Benefits and Features

LOAD

REF

LATCH

CLEAR/

DAC

RESET

Functional Diagram

GND

DDIO

POWER-DOWN

8 -/10-/12-BIT

Power-Supply Input

DAC

19-6455; Rev 1; 12/12

BUFFER

MAX5700

MAX5701

MAX5702

1 OF 2 DAC CHANNELS

100kI

1kI

OUTA

OUTB

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