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AD7112 - LC2MOS LOGDAC Dual Logarithmic D/A Converter

General Description

The LOGDAC® AD7112 is a monolithic dual multiplying D/A converter featuring wide dynamic range and excellent DAC-toDAC matching.

Both DACs can attenuate an analog input signal over the range 0 dB to 88.5 dB in 0.375 dB steps.

Key Features

  • Dynamic Range: 88.5 dB Resolution: 0.375 dB On-Chip Data Latches for Both DACs Four-Quadrant Multiplication +5 V Operation Pin Compatible with AD7528 Low Power.

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Datasheet Details

Part number AD7112
Manufacturer Analog Devices
File Size 230.05 KB
Description LC2MOS LOGDAC Dual Logarithmic D/A Converter
Datasheet download datasheet AD7112 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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a FEATURES Dynamic Range: 88.5 dB Resolution: 0.375 dB On-Chip Data Latches for Both DACs Four-Quadrant Multiplication +5 V Operation Pin Compatible with AD7528 Low Power APPLICATIONS Audio Attenuators Sonar Systems Function Generators LC2MOS LOGDAC Dual Logarithmic D/A Converter AD7112* FUNCTIONAL BLOCK DIAGRAM VDD VIN A RFB A OUT A AD7112 17-BIT DAC A 17-BIT LATCH DB0 DB7 8-BIT BUFFER DECODE LOGIC 17 17-BIT LATCH RFB B CONTROL LOGIC OUT B 17-BIT DAC B GENERAL DESCRIPTION DAC A/ CS WR VIN B DAC B DGND AGND The LOGDAC® AD7112 is a monolithic dual multiplying D/A converter featuring wide dynamic range and excellent DAC-toDAC matching. Both DACs 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.