MP7542JS datasheet, PDF - EEWORLD Datasheet

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MP7542JS: Description5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter; File Size80KB，12 Pages; ManufacturerExar [Exar Corporation]

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MP7542JS Overview

5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter

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MP7542

5 V CMOS

4-Bit Input, 12-Bit

Digital-to-Analog Converter

FEATURES

•

12-Bit DAC with a 4-Bit Parallel Address for 4 & 8-Bit

Microprocessor or Microcontroller Interface

•

Nonlinearity +1/2 LSB Tmin to Tmax

•

Latch-Up Free

•

Low Sensitivity to Output Amplifier V

•

Low Output Capacitance

•

+5 V Supply Operation

Low Power Consumption: 40mW Max.

Low Cost

Serial Version: MP7543

GENERAL DESCRIPTION

The MP7542 is a precision, 12-bit CMOS 4-quadrant multi-

plying Digital-to-Analog Converter designed for direct interface

to 4 and 8-bit microprocessors.

The MP7542 consists of three 4-bit registers, a 12-bit DAC

DAC. Data is loaded into the data registers in three 4-bit nibbles

and subsequently transferred to the 12-bit DAC register. All data

loading or data transfer operations are identical to the WRITE

cycle of a static RAM. A CLEAR input allows the 12-bit DAC reg-

ister to be reset to all zeros.

The MP7542 is manufactured using advanced thin-film on

monolithic double metal CMOS fabrication process. A unique

decoding technique is utilized yielding excellent accuracy and

stability.

The MP7542 reduces the additional linearity errors due to

output amplifier offset to only 330

V per millivolt of offset versus

670

V for the standard R-2R ladder CMOS DACs.

SIMPLIFIED BLOCK DIAGRAM

REF

12-Bit Multiplying DAC

OUT1

OUT2

AGND

CLR

DB0 (LSB)

DB1

DB2

DB3 (MSB)

Address

Decode

Logic

H-Byte

Data

M-Byte

Data

L-Byte

Data

12-Bit DAC Register

DGND

Rev. 2.00

MP7542JS Related Products

	MP7542JS	MP7542	MP7542AD	MP7542BD	MP7542JN	MP7542KN	MP7542KS	MP7542SD	MP7542TD
Description	5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter	5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter	5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter	5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter	5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter	5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter	5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter	5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter	5 V CMOS 4-Bit Input, 12-Bit Digital-to-Analog Converter

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