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AD7111

Analog Devices
Part Number AD7111
Manufacturer Analog Devices
Description LC2MOS LOGDAC Logarithmic D/A Converter
Published Mar 23, 2005
Detailed Description a FEATURES Dynamic Range: 88.5 dB Resolution: 0.375 dB On-Chip Data Latches +5 V Operation AD7111A Pin Compatible with A...
Datasheet PDF File AD7111 PDF File

AD7111
AD7111

Overview
a FEATURES Dynamic Range: 88.
5 dB Resolution: 0.
375 dB On-Chip Data Latches +5 V Operation AD7111A Pin Compatible with AD7524 Low Power APPLICATIONS Audio Attenuators Sonar Systems Function Generators Digitally Controlled AGC System LC2MOS LOGDAC Logarithmic D/A Converter AD7111/AD7111A FUNCTIONAL BLOCK DIAGRAMS VDD VIN R FB AD7111 17-BIT DAC I OUT AGND 17-BIT LATCH DECODE LOGIC The LOGDAC® AD7111/AD7111A are monolithic multiplying D/A converters featuring wide dynamic range in a small package.
Both DACs can attenuate an analog input signal over the range 0 dB to 88.
5 dB in 0.
375 dB steps.
They are available in 16-pin DIPs and SOIC packages.
The AD7111 is also available in a 20-terminal LCCC package.
The degree of attenuation across the DAC is determined by an 8-bit word applied to the onboard decode logic.
This 8-bit word is decoded into a 17-bit word which is then applied to a 17-bit R-2R ladder.
The very fine step resolution, which is available over the entire dynamic range, i...


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