tda6612-2 Infineon Technologies Corporation, tda6612-2 Datasheet - Page 2

• Manufacturer Part Number: tda6612-2
• Description: Tv-stereo-sound
• Manufacturer: Infineon Technologies Corporation

The IC is divided into three functional blocks
1 Stereo Sound Processing with High Performance (exceeds DIN 45500; suitable for
2 TV-Sound Identification Signal Decoder Consisting of:
3 Control Section for:
Semiconductor Group
NICAM and CD)
a) Matrix for G-standard with crosstalk compensation controlled via the I
b) Additional single channel AF input (for e.g. AF signal according to L-standard)
c) Stereo SCART interface according to FTZ-official specification
d) Stereo loudspeaker signal section with Ch1/Ch2 switch, bass/treble control,
e) Separate stereo head phone signal section with Ch1/Ch2 switch and volume
a) Active pilot signal filter
b) Phase independent rectifier with very narrow bandwidth for evaluation of the
c) Digital integrator to reduce interferences by noise
d) Multiplexer for cyclical switch over between "stereo" or "dual" evaluation
e) Reference signal generation with externally synchronized PLL
a) I
b) Control of the complete AF-sound signal detector
c) Read access to the clipping detector
d) Control of the identification signal decoder
e) Reading of the status of the identification signal decoder
f) Test modes
quasi stereo/stereo base width expansion and separate loudspeaker volume
control for left and right (balance)
control
identification signal
2
C Bus interface with listen/talk function
synchronization with external H-sync pulse or 62.5-kHz clock
build-in crystal oscillator and external 4-MHz crystal
external 4-MHz (or 1-MHz) clock signal
2
TDA 6612-2
2
C Bus