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TDA4443

Features: SWITCHING OFF THE IF AMPLIFIER WHEN.OPERATINGIN VTR MODE DEMODULATION OF NEGATIVE OR POSITIVEIF SIGNALS. THE OUTPUT REMAINS.ON THE SAME POLARITY IN EVERY CASE IF AGC AUTOMATICALLY ADJUSTED TO.THE ACTUALSTANDARD TWO AGC POSSIBILITIES FOR B/G MODE :1. GATED AGC2. UNGATED AGC ON SYNC. LEVEL...

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SeekIC No. : 004516328 Detail

TDA4443: Features: SWITCHING OFF THE IF AMPLIFIER WHEN.OPERATINGIN VTR MODE DEMODULATION OF NEGATIVE OR POSITIVEIF SIGNALS. THE OUTPUT REMAINS.ON THE SAME POLARITY IN EVERY CASE IF AGC AUTOMATICALLY ADJUSTED...

TDA4443 Data Sheet

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Part Number:
TDA4443
Supply Ability:
5000

Price Break

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

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Upload time: 2025/1/12

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Product Details

Description



Features:

SWITCHING OFF THE IF AMPLIFIER WHEN
.OPERATINGIN VTR MODE DEMODULATION OF NEGATIVE OR POSITIVE
IF SIGNALS. THE OUTPUT REMAINS
.ON THE SAME POLARITY IN EVERY CASE IF AGC AUTOMATICALLY ADJUSTED TO
.THE ACTUALSTANDARD TWO AGC POSSIBILITIES FOR B/G MODE :
1. GATED AGC
2. UNGATED AGC ON SYNC. LEVEL AND
CONTROLLED DISCHARGE DEPENDENT
ON THE AVERAGE SIGNAL LEVEL FOR VTR
AND PERI TV APPLICATIONS
FOR STANDARD L : FAST AGC ON PEAK
.WHITE BY CONTROLLEDDISCHARGE .POSITIVEOR NEGATIVE GATING PULSE .EXTREMELYHIGH INPUT SENSITIVITY .LOWDIFFERENTIAL DISTORTION .CONSTANT INPUT IMPEDANCE .VERY HIGH SUPPLY VOLTAGE REJECTION .FEWEXTERNAL COMPONENTS .LOWIMPEDANCE VIDEO OUTPUT SMALL TOLERANCES OF THE FIXED VIDEO
.SIGNALAMPLITUDE ADJUSTABLE, DELAYED AGC FOR PNP
TUNERS


Pinout

Connection Diagram


Specifications

Symbol Parameter
Value
Unit
VCC Supply Voltage RangePin 13
15
V
V0 Open Loop Voltage Pin 5
max. VCC
V
Vext External Voltage Pin 4
12
V
I4 Control Current for VTR Mode Pin 4
0.3
mA
I2 Control Current for Standard Mode Pin 2
0.5
mA
I0 Max. Video Output Current Pin 11
5
mA
I0 Short Circuit Current (t 3 1sec) Pin 11
30
mA
Ptot Power Dissipation
1
Tj Junction Temperature
125
TAMB Ambient Temperature Range
0 to +70
Tstg Storage Temperature Range
-25 to +125



Description

The TDA4443 is a Video IF amplifier with standard switch for multistandard colour or monochromeTV sets, and VTR's.




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