Product Summary

The AD7112BN is a monolithic dual multiplying D/A converter featuring wide dynamic range and excellent DAC-to-DAC matching. The AD7112BN can attenuate an analog input signal over the range 0 dB to 88.5 dB in 0.375 dB steps. It is available in skinny 0.3" wide 20-pin DIPs and in 20-terminal surface mount packages. The applications of the AD7112BN include Audio Attenuators, Sonar Systems and Function Generators.

Parametrics

AD7112BN absolute maximum ratings: (1)VDD to AGND or DGND: –0.3 V, +7 V; (2)AGND to DGND: –0.3 V, VDD + 0.3 V; (3)Digital Inputs to DGND: –0.3 V, VDD + 0.3 V; (4)OUT A, OUT B to AGND: –0.3 V, VDD + 0.3 V; (5)VIN A, VIN B to AGND: ±25 V; (6)VRFB A, VRFB B to AGND: ±25 V; (7)Operating Temperature Range: –40℃ to +85℃; (8)Junction Temperature: +150℃; (9)Storage Temperature: –65℃ to +150℃; (10)Power Dissipation: 1 W; (11)θJA, Thermal Impedance: 102℃/W; (12)Lead Temperature (Soldering, 10 secs): +300℃; (13)Power Dissipation, SOIC:1 W; (14)θJA, Thermal Impedance: 75℃/W; (15)Lead Temperature (Soldering), Vapor Phase (60 secs): 215℃; Infrared (15 secs): 220℃.

Features

AD7112BN features: (1)Dynamic Range: 88.5 dB; (2)Resolution: 0.375 dB; (3)On-Chip Data Latches for Both DACs; (4)Four-Quadrant Multiplication; (5)+5 V Operation; (6)Pin Compatible with AD7528; (7)Low Power.

Diagrams

AD7112BN functional block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
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AD7112BN
AD7112BN

Analog Devices Inc

IC DAC DUAL LOGARITHMIC 20-DIP

Data Sheet

Negotiable 
AD7112BNZ
AD7112BNZ

Analog Devices Inc

IC DAC DUAL MULTIPLYING 20DIP

Data Sheet

Negotiable