MX019
FEATURES
4 Digitally Controlled Amplifiers 15 Gain/Attenuation Steps 3 Amplifiers ± 3d B Range in 0.43d B Steps 1 'Volume' Amplifier ±14d B Range in 2d B Steps 8-Bit Serial Data Control Output Mute Function
SERIAL CLOCK INPUT SERIAL DATA INPUT
2 1
Quad Digital Control Amplifier
APPLICATIONS
Gain Control Applications Audio Data Telemunications, Radio, & Industrial Applications
8-BIT SERIAL DATA INPUT
LOAD/LATCH
LOAD/LATCH
VOLUME
Ch1
Ch4
VDD VBIAS
2 3
VSS CHIP ADDRESS
Ch2
Ch3
CONTROLLED AUDIO OUTPUT LINES
The MX019 Digitally Adjustable Amplifier Array replaces trimmer potentiometers and volume controls in Cellular, LMR, Telephony and munication applications where voice or data signals need adjustment. The MX019 is a single-chip LSI consisting of four digitally controlled amplifier stages, each with 15 distinct gain/attenuation steps. Control of each individual amplifier is by an 8-bit serial data stream. Three of the amplifier stages offer a 3d...
