GENERAL DESCRIPTION

The ML2008 and ML2009 are digitally controlled logarithmic gain/attenuators with a range of –24 to +24dB in 0.1dB steps.

Easy interface to microprocessors is provided by an input latch and control signals consisting of chip select and write.

FEATURES

■ Low noise 0dBrnc max with +24dB gain

■ Low harmonic distortion –60dB max

■ Gain range –24 to +24dB

■ Resolution 0.1dB steps

■ Flat frequency response ±0.05dB from 0.3-4kHz ±0.10dB from 0.1-20kHz

■ Low supply current 4mA max from ±5V supplies

■ TTL/CMOS compatible digital interface

■ ML2008 is designed to interface to an 8-bit data bus; ML2009 to 16-bit data bus