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 ov...

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