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TC9455F Datasheet

  • TC9455F

  • TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

  • 227.32KB

  • 14頁

  • TOSHIBA

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TC9455,88F/N
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC9455F,TC9455N,TC9488F,TC9488N
Digital Echo IC for Karaoke
The TC9455 series are digital echo ICs for karaoke. The ICs
incorporate microphone amps and volume controllers, enabling a
digital echo system to be configured on a single chip.
TC9455F
TC9488F
Features
路
Incorporates a two-channel microphone amp with auto level
control (ALC), AD/DA converter, delay memory, and electronic
volume controllers.
Incorporates a 32-kHz sampling, 12-bit successive comparison
AD/DA converter.
Incorporates a delay memory (16-Kbit DRAM) which enables
128-ms (typ.) delay.
Microphone and echo levels are controlled by built-in volume
controllers. They are controlled either by DC voltage or
controlled in serial by the MCU.
TC9455F/N: Supports I
2
C bus interface
TC9488F/N: Supports three-lead interface
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The system clock is generated by the CR oscillator circuit.
The echo feedback amount is configured using analog circuits.
The feedback level can be freely set
.
The IC comes in 30-pin flat package or 24-pin shrink DIP.
Weight:
SSOP30-P-375-1.00: 1.08 g (typ.)
SDIP24-P-300-1.78: 1.2 g (typ.)
TC9455N
TC9488N
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Pin Connection
1
2002-02-05

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