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AD7118 Datasheet LOGDAC CMOS Logarithmic D/A Converter

Manufacturer: Analog Devices

General Description

The LOGDAC® AD7118 is a CMOS multiplying D/A converter which attenuates an analog input signal over the range 0 to –85.5 dB in 1.5 dB steps.

The analog output is determined by a six-bit attenuation code applied to the digital inputs.

Operating frequency range of the device is from dc to several hundred kHz.

Overview

a.

Key Features

  • Dynamic Range 85.5 dB Resolution 1.5 dB Full ؎25 V Input Range Multiplying DAC Full Military Temperature Range.
  • 55؇ C to +125؇ C Low Distortion Low Power Consumption Latch Proof Operation (Schottky Diodes Not Required) Single 5 V to 15 V Supply.