General Description
The ML2003 and ML2004 are digitally controlled logarith mic gain/attenuators with a range of â24 to +24 dB in 0.1 dB steps.
The gain settings are selected by a 9-bit digital word. The ML2003 digital interface is either parallel or serial. The ML2004 is packaged in a 14-pin DIP with a serial interface only.
Features
⢠Low noise: 0 dBrnc max with +24dB gain
⢠Low harmonic distortion: -60dB max
⢠Gain range: â24 to +24dB
⢠Resolution: 0.1dB steps
⢠Flat frequency response:
±0.05dB from .3â4 kHz
±0.10dB from .1-20 kHz
⢠Low supply current 4mA max from ±5V supplies
⢠TTL/CMOS compatible digital interface
⢠ML2003 has pin selectable serial or parallel interface;
ML2004 serial interface only
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