Ultralow Distortion IF Dual VGAData SheetAD8376FEATURESFUNCTIONAL BLOCK DIAGRAMDual independent digitally controlled VGAsA4 A3 A2 A1 A0VCCAGNDABandwidth of 700 MHz (−3 dB)CHANNEL AGain range: −4 dB to +20 dBGAINAD8376Step size: 1 dB ± 0.2 dBDECODERDifferential input and outputOPA+IPA+OPA+Noise figure: 8.7 dB @ maximum gainPOST-AMP α Output IP3 of ~50 dBm at 200 MHzIPA–OPA–Output P1dB of 20 dBm at 200 MHzOPA–VCMADual parallel 5-bit control interfaceENBAProvides constant SFDR vs. gainENBBVCMBPower-down controlOPB+IPB+Single 5 V supply operationOPB+32-lead, 5 mm x 5 mm LFCSPPOST-AMP α IPB–OPB–APPLICATIONSOPB–Differential ADC driversCHANNEL BGAINMain and diversity IF sampling receiversDECODERWideband multichannel receivers 001 InstrumentationB4 B3 B2 B1 B0VCCBGNDB 06725- Figure 1. GENERAL DESCRIPTION The AD8376 is a dual channel, digitally controlled, variable gain AD8376 consumes less than 5 mA and offers excellent input-to- wide bandwidth amplifier that provides precise gain control, output isolation, lower than −50 dB at 200 MHz.