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DATA BULLETIN
MX029
Features
Dual Digitally Controlled Amplifier PRELIMINARY INFORMATION Applications
Cellular and LMR Radios PABX’s, Electronic Mail, TAM's Automatic Test Equipment Remote Gain Adjustments Digitally Set Audio Control Levels
2 Digitally Controlled Amplifiers ±48dB Gain/Attenuation in 2dB Steps + Mute Individual Control with a 14-Bit Serial Word Separate Fixed Gain Buffer Amplifier
SERIAL CLOCK DATA INPUT LOAD/LATCH
SERIAL INTERFACE
VDD
STAGE 1 CONTROL REGISTER
VSS BIAS VSS BIAS
CH1, INPUT 1 CH1, INPUT 2 CH1, INPUT 3
TO STAGE 1 CONTROL REGISTER
CH1, OUTPUT 1
∆G
CH1, OUTPUT 2
VSS
BIAS
STAGE 1 CONTROL REGISTER
VSS CH2, INPUT 1
BIAS
∆G
CH2, INPUT 2
CH2, OUTPUT 1
UNIVERSAL AMP IN
UNIVERSAL AMP OUT
BIAS
The MX029 Digitally Controlled Amplifi