DAC7800_04 BURR-BROWN [Burr-Brown Corporation], DAC7800_04 Datasheet

DAC7800_04

Manufacturer Part Number

DAC7800_04

Description

Dual Monolithic CMOS 12-Bit Multiplying DIGITAL-TO-ANALOG CONVERTERS

Manufacturer

BURR-BROWN [Burr-Brown Corporation]

Datasheet

1.DAC7800_04.pdf (20 pages)

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FEATURES

DESCRIPTION

The DAC7800, DAC7801 and DAC7802 are members of a

new family of monolithic dual 12-bit CMOS multiplying Digi-

tal-to-Analog Converters (DACs). The digital interface speed

and the AC multiplying performance are achieved by using

an advanced CMOS process optimized for data conversion

circuits. High stability on-chip resistors provide true 12-bit

integral and differential linearity over the wide industrial

temperature range of –40 C to +85 C.

The DAC7800 features a serial interface capable of clocking-

in data at a rate of at least 10MHz. Serial data is clocked

(edge triggered) MSB first into a 24-bit shift register and then

latched into each DAC separately or simultaneously as

required by the application. An asynchronous CLEAR control

is provided for power-on reset or system calibration func-

tions. It is packaged in a 16-pin 0.3" wide plastic DIP.

The DAC7801 has a 2-byte (8 + 4) double-buffered interface.

Data is first loaded (level transferred) into the input registers

in two steps for each DAC. Then both DACs are updated

simultaneously. The DAC7801 features an asynchronous

CLEAR control. The DAC7801 is packaged in a 24-pin 0.3"

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Serial—DAC7800

8 + 4-Bit Parallel—DAC7801

12-Bit Parallel—DAC7802

TWO DACs IN A 0.3" WIDE PACKAGE

SINGLE +5V SUPPLY

HIGH-SPEED DIGITAL INTERFACE:

MONOTONIC OVER TEMPERATURE

LOW CROSSTALK: –94dB min

FULLY SPECIFIED OVER –40

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

Dual Monolithic CMOS 12-Bit Multiplying

DIGITAL-TO-ANALOG CONVERTERS

C TO +85

www.ti.com

APPLICATIONS

wide plastic DIP. The DAC7802 has a single-buffered 12-bit

data word interface. Parallel data is loaded (edge triggered)

into the single DAC register for each DAC. The DAC7802 is

packaged in a 24-pin 0.3" wide plastic DIP.

Serial

PROCESS CONTROL OUTPUTS

ATE PIN ELECTRONICS LEVEL SETTING

PROGRAMMABLE FILTERS

PROGRAMMABLE GAIN CIRCUITS

AUTO-CALIBRATION CIRCUITS

12-Bit Interface

Serial Interface

8-Bit Interface

8 Bits + 4 Bits

DAC7801

DAC7800

DAC7802

SBAS005B – JANUARY 1990 – REVISED FEBRUARY 2004

12-Bit MDAC

REF A

REF B

DAC A

DAC B

DAC7800

DAC7801

DAC7802

AGND A

AGND B

OUT A

OUT B

FB A

FB B

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