TC9452F

The TC9452F is single chip Surround LSI for portable equipment, Mini compo.As built-in ADC/DAC, surround, digital equalizer,compressor, bass treble and stereo wide, this TC9452F IC constructs DSP function.Master clock (Input or oscillating XI terminal) is 768/512/384/256fs. These mode are selected by CKS terminal, and 256fs or 384fs, 768fs or 512fs select is auto detect by this IC.

Features of the TC9452F are:(1)input:3 analog channel, 1 digitel stereo port.digital input format:MSB first 16, 18, 20bit effective data before change point of LRCK or I2S; (2)output:2 analog output/1 digitel stereo port.digital output format:MSB first 16, 20bit effective data before change point of LRCK or I2S; (3)built-in 64Kbit delay RAM; (4)package is QFP 44pins.Built-in Line input L-ch and R-ch AD converter, and Mic signal input AD converter.Mic input signal convert Digital signal and DSP make digital echo signal.Mic signal add this echo signal by LI, RI terminal or external Op-amp.It is necessary to open LI and RI terminal at the using Op-amp.

The absolute maximum ratings of the TC9452F can be summarized as:(1)supply voltage:-0.3 to 6.0 V;(2)input voltage:-0.3 to Vdd+0.3V;(3)storage temperature:-55 to 150;(4)power dissipation:500mW;(5)operating temperature:-40 to 85.The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer's own risk.

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