DAC7545LU-BI

更新时间： 2024-02-09 11:21:22

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DAC7545LU-BI 数据手册

DAC7545

SBAS150A – AUGUST 1987 – REVISED FEBRUARY 2003

CMOS 12-Bit Multiplying

DIGITAL-TO-ANALOG CONVERTER

Microprocessor Compatible

FEATURES

DESCRIPTION

● FOUR-QUADRANT MULTIPLICATION

The DAC7545 is a low-cost, CMOS, 12-bit, four-quadrant

multiplying, digital-to-analog converter (DAC) with input data

latches. The input data is loaded into the DAC as a 12-bit

data word. The data flows through to the DAC when both the

chip select (CS) and the write (WR) pins are at a logic low.

● LOW-GAIN TC: 2ppm/°C typ

● MONOTONICITY ENSURED OVER TEMPERATURE

● SINGLE 5V TO 15V SUPPLY

● TTL/CMOS LOGIC COMPATIBLE

● LOW OUTPUT LEAKAGE: 10nA max

● LOW OUTPUT CAPACITANCE: 70pF max

Laser-trimmed thin-film resistors and excellent CMOS volt-

age switches provide true 12-bit integral and differential

linearity. The device operates on a single +5V to +15V supply

and is available in an SO-20 package; devices are specified

over the commercial temperature range.

● DIRECT REPLACEMENT FOR THE AD7545,

PM-7545

The DAC7545 is well suited for battery-powered or other low-

power applications because the power dissipation is less than

0.5mW when used with CMOS logic inputs and V_DD= +5V.

R_FB

OUT 1

AGND

12-Bit

Multiplying DAC

V_REF19

V_DD

Input

Data Latches

DGND

DB₁₁-DB₀

(Pins 4-15)

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.

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.

www.ti.com

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