Analog Devices AD1970JSTZ

Digital BTSC Encoder with Integrated ADC and DAC | IC ENCODER BTSC W/CODEC 48-LQFP

IC MCU 8BIT 128KB FLASH 80LQFP

ENCODER, CODEC, SMD, 1970, LQFP48; Voltage, Supply Min:3V; Voltage, Supply Max:3.6V; Termination Type:SMD; Case Style:LQFP; No. of Pins:48; Operating Temperature Range:0°C to +70°C; Temp, Op. Max:70°C; Temp, Op. Min:0°C; Base Number:1970; IC Generic Number:1970; Logic Function Number:1970; Supply Voltage:2.3V; Temperature Range, IC:Commercial; Clock Frequency:400kHz; Interface Type:I²C; SNR:87dB

The AD1970 is an analog or digital in, analog out TV Stereo Digital Audio Processor with programmable MTS (BTSC) encoder which includes pilot-tone generation and sub-carrier mixing functions. The stereo ADC provides the means for digitization of the analog baseband audio signal. A built-in high performance DAC is provided to output the BTSC base-band composite signal. The output of the AD1970 can be connected with minimal external circuitry to the input of a 4.5 MHz aural FM modulator. In addition to the digital BTSC encoder, the AD1970 includes a stereo image enhancement function, Phat Stereo, to increase the sense of spaciousness available from closely spaced TV loudspeakers. A dialog enhancement algorithm solves the problem of playing wide dynamic range sources over limited-performance TV speakers and amplifiers. An I2C port allows control of the AD1970’s registers and parameters.