Lc2mos Logdac Logarithmic D/a Converter

The LOGDAC AD7111 AD7111A are monolithic multiplying D/A Converters featuring wide dynamic range in a small pack- age. 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, is due to the use of this 17-bit DAC The AD7111 AD7111A are easily interfaced to a standard 8-bit MPU bus via an 8-bit data port and standard Microprocessor control lines. The AD7111 WR input is edge triggered and re- quires a rising edge to load new data to the DAC The AD7111A WR is level triggered to allow transparent operation of the Latches if required. It should also be noted that the AD7111A is exactly pin and function-compatible with the AD7524 an in- dustry standard 8-bit multiplying DAC This allows an easy up- grading of existing AD7524 designs which would benefit both from the wider dynamic range and the finer step resolution of- fered by the AD7111A. The AD7111 AD7111A are fabricated in Linear Compatible CMOS (LC2 MOS), an advanced, mixed technology process that combines precision bipolar circuits with low power CMOS Logic By Analog Devices, Inc.
AD7111 's PackagesAD7111 's pdf datasheet

AD7111 Pinout, Pinouts
AD7111 pinout,Pin out
This is one package pinout of AD7111,If you need more pinouts please download AD7111's pdf datasheet.

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