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TDA4661

Features: · Two comb filters, using the switched-capacitor technique, for one line delay time (64 ms)· Adjustment-free application· No crosstalk between SECAM colour carriers (diaphoty)· Handles negative or positive colour-difference input signals· Clamping of AC-coupled input signals (±(R-Y) and ...

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SeekIC No. : 004516365 Detail

TDA4661: Features: · Two comb filters, using the switched-capacitor technique, for one line delay time (64 ms)· Adjustment-free application· No crosstalk between SECAM colour carriers (diaphoty)· Handles neg...

TDA4661 Data Sheet

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Part Number:
TDA4661
Supply Ability:
5000

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

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Product Details

Description



Features:

· Two comb filters, using the switched-capacitor technique, for one line delay time (64 ms)
· Adjustment-free application
· No crosstalk between SECAM colour carriers (diaphoty)
· Handles negative or positive colour-difference input signals
· Clamping of AC-coupled input signals (±(R-Y) and ±(B-Y))
· VCO without external components
· 3 MHz internal clock signal derived from a 6 MHz CCO, line-locked by the sandcastle pulse (64 ms line)
· Sample-and-hold circuits and low-pass filters to suppress the 3 MHz clock signal
· Addition of delayed and non-delayed output signals
· Output buffer amplifiers
· Comb filtering functions for NTSC colour-difference signals to suppress cross-colour.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VP1 supply voltage (pin 9)   -0.5 +7 V
VP2 supply voltage (pin 1)   -0.5 +7 V
V5 input voltage on pin 5   -0.5 VP + 1.0 V
Vn voltage on pins 11, 12, 14 and 16   -0.5 VP V
Tstg storage temperature   -25 +150
Tamb operating ambient temperature   0 70
VESD electrostatic handling for all pins note 1 - ±500 V
Note
1. Equivalent to discharging a 200 pF capacitor through a 0 series resistor.


Description

The TDA4661 is an integrated baseband delay line circuit with one line delay. It is suitable for decoders with colour-difference signal outputs ±(R-Y) and ±(B-Y).


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