AN5637 Panasonic, AN5637 Datasheet

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AN5637

Manufacturer Part Number
AN5637
Description
SECAM decoder IC
Manufacturer
Panasonic
Datasheet

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Part Number:
AN5637
Manufacturer:
PANASONIC/松下
Quantity:
20 000
ICs for TV
AN5637
SECAM decoder IC
I Overview
The AN5637 is a chroma signal processing circuit
for use in SECAM system. It outputs the color dif-
ference signal.
I Features
I Applications
Publication date: December 2001
• Built-in bell filter, deemphasis circuit
• One point adjustment
• Small number of external components
• SECAM system TV
SDB00021BEB
Note) The package of this product will be changed to lead-free type
Seating plane
16
(DIP016-P-0300M). See the new package dimensions section
later of this datasheet.
1
(0.71)
2.54
19.2±0.3
DIP016-P-0300D
0.5±0.1
1.22±0.25
9
8
7.62±0.25
Unit : mm
1

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AN5637 Summary of contents

Page 1

... ICs for TV AN5637 SECAM decoder IC I Overview The AN5637 is a chroma signal processing circuit for use in SECAM system. It outputs the color dif- ference signal. I Features • Built-in bell filter, deemphasis circuit • One point adjustment • Small number of external components I Applications • ...

Page 2

... AN5637 I Block Diagram 11 Killer Mon. 7 Bell Ref. 2 Bell Mon. 2 SDB00021BEB GND 8 PLL Ref −(B−Y) Out 9 −(R−Y) Out ...

Page 3

... Symbol Conditions = Current when Voltage when SDB00021BEB AN5637 Description PLL filter automatic adjustment sample hold pin − (R−Y) output pin − (B−Y) output pin Killer voltage monitor pin N.C. N.C. N.C. Sand castle pulse input pin SECAM signal input pin Unit 11 ...

Page 4

... AN5637 I Electrical Characteristics at V Parameter Input(Pin16) Input dynamic range * 1 Chroma signal input amplitude Input impedance Bell filter Bell adjusting voltage Center frequency Band width ACC ACC characteristics 1 ACC characteristics 2 Demodulator/Output PLL adjusting voltage R−Y output amplitude B−Y output amplitude Detector output linearity R− ...

Page 5

... MHz sine wave 350 mV[p-p], V-BLK period H Difference between color turn Off and Off to On level K Color turn Off level when disc- rimination signal changes 150 mV[p- mV[p-p] SDB00021BEB AN5637 Min Typ Max Unit 2.2 2.7 3.2 V   ...

Page 6

... AN5637 I Electrical Characteristics at V • Design reference data Note) The characteristic values below are theoretical values for designing and not guaranteed. Parameter Reference signal/interface Sink current Bell filter Center frequency power supply voltage dependency Center frequency ambient temperature dependency Demodulator/Output Output signal bandwidth ...

Page 7

... CC a ∆V B when the color bar signal (Deviation = 0 Hz) is input. NOISE  NOISE is determined by the internal stabilizing power supply circuit. BL SDB00021BEB becomes 0 mV. Let the adjusted voltage black level error (R−Y). BER when the color bar signal (Deviation = 460 BY -GND. CC AN5637 7 ...

Page 8

... AN5637 I Terminal Equivalent Circuits Pin No. Equivalent circuit 1 V 150µ AN5192/95 200Ω 1 SECAM /Non-SECAM discrimination 1.5kΩ 1.5kΩ 0/175µA 0/175µ 200µA 200µA  6.8kΩ 10kΩ 0.01µF 15kΩ 100µ 3.2V 100µA 100µA 400µA ...

Page 9

... Bell filter automatic adjustment sample hold pin 37.5kΩ 100µA PLL automatic adjustment sample hold pin 100µA Pin9 ; −(R−Y) output pin Pin10 ; −(B−Y) output pin 10 9 200Ω SDB00021BEB AN5637 Description Voltage −(R−Y) −(B− 2.9 V ...

Page 10

... AN5637 I Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 11 V 100µA CC 200Ω 500Ω 20kΩ 11 150µA  12  13  200Ω 15 50µA 50µ 50kΩ 10pF 200Ω 40kΩ 16 2.8V 50kΩ 100µA 10 Description Killer voltage monitor pin ...

Page 11

... Be sure to input the high precision PAL carrier signal (4.43362 MHz) only in the vertical retrace period. Pin1 input Pin1 sink current DC voltage 175 µA "H" (4.6 V) 175 µA "L" (1 µA "H" (4 µA "L" (1.5 V) SDB00021BEB AN5637 Pin9, 10 output Color difference signal output Open DC voltage output Open 11 ...

Page 12

... AN5637 I New Package Dimensions (Unit: mm) • DIP016-P-0300M (Lead-free package) 19. (0.64) 2.54 12 ±0. +0.10 0.50 -0.05 +0.10 1.20 -0.05 Seating plane SDB00021BEB 7.62 3° to 15° ...

Page 13

... B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may ap- pear in this material. ...

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