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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 APPLICATIONS Digitally Controlled AGC Systems Audio Attenuators Wide Dynamic Range A/D Converters Sonar Systems Function Generators
LOGDAC
CMOS Logarithmic D/A Converter AD7118*
FUNCTIONAL DIAGRAM
PIN CONFIGURATION
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 ap...