C1851BCU Overview
BIPOLAR ANALOG INTEGRATED CIRCUIT µPC1851B I2C BUS-PATIBLE US MTS PROCESSING LSI The µPC1851B is an integrated circuit for US MTS (Multiplexed Television Sound) system with the addition of the I2C bus interface. All functions required for US MTS system are incorporated on a single chip. The µPC1851B allows users to switch modes, control volume and tone, and adjust the separation circuit through the I2C bus.
C1851BCU Key Features
- Stereo demodulation, SAP (Sub Audio Program) demodulation, dbx noise reduction decoding, I2C bus interface, input select
- Mode switching, volume and tone control, and separation adjustment through the I2C bus
- Power supply: 8 V to 10 V
- On-chip input attenuator for simple interface with intermediate frequency processing IC (I2C bus control)
- Output level: 1.4 Vp-p (with L+R signals, 100 % modulation)
- TV sets and VCRs for north America