Power Amplifier Serial Interface Codec/filterwith ReceiveThe ETC5064 (-law), ETC5067 (A-law) aremono-
lithic PCM CODEC Filters utilizing the A/D and
D/Aconversion architectureshown in the BlockDia-
grams and a serial PCM Interface The devices are
fabricated using double-polyCMOS process.
Similar to the ETC505X family, these devices fea-
ture an additional Receive Power Amplifier to pro-
vide push-pull balanced output drive capability.The
receive gain CAN be adjusted by means of two ex-
ternal resistors for an output level of up to 6.6 V
across a balanced600 load.
Also included is an Analog Loopback Switch and
TSX output. By STMicroelectronics
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