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TDA8722

Features: · Video amplifier with clamp and white clip circuits· FM sound modulator· Asymmetrical and symmetrical RF outputs available· Symmetrical RF oscillator using only a few external components· External adjusting of modulation depth and level of the sound subcarrier· I2C-bus receiver for freq...

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SeekIC No. : 004516819 Detail

TDA8722: Features: · Video amplifier with clamp and white clip circuits· FM sound modulator· Asymmetrical and symmetrical RF outputs available· Symmetrical RF oscillator using only a few external components·...

TDA8722 Data Sheet

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Part Number:
TDA8722
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Video amplifier with clamp and white clip circuits
· FM sound modulator
· Asymmetrical and symmetrical RF outputs available
· Symmetrical RF oscillator using only a few external components
· External adjusting of modulation depth and level of the sound subcarrier
· I2C-bus receiver for frequency setting and test-mode selection
· One I2C programmable output port
· On-chip Phase-Locked Loop (PLL) frequency synthesizer
· On-chip power supply regulator
· Bus switchable oscillator
· On-chip Test Pattern Signal Generator (TPSG).


Application

· Video recorders
· Cable converters
· Satellite receivers.


Pinout

Connection Diagram


Specifications

SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VDDA
 analog supply voltage
-0.3
+6
V
VDDD
 digital supply voltage
-0.3
+6
V
VDD
 operating supply voltage
4.5
5.5
V
Vmax
 maximum voltage on all pins
-0.3
VDD
V
Tstg
 IC storage temperature
-40
+125
Tamb
 operating ambient temperature
-20-
+85




Description

The TDA8722 is a programmable modulator which generates an RF TV channel from a baseband video signal and a baseband audio signal in the event of negative video and FM sound standards (PAL B/G, I, D/K and NTSC).

It is especially suited for satellite receivers, video recorders and cable converters. The video carrier frequency of the TDA8722 is set exactly to the correct channel frequency by a PLL synthesizer which is programmed in accordance with the I2C-bus format.




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