AN5637 Просмотр технического описания (PDF) - Panasonic Corporation

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производитель

AN5637

SECAM decoder IC

Panasonic Corporation 

AN5637

ICs for TV

s Electrical Characteristics at VCC = 9 V, Ta = 25 °C (continued)

• Design reference data

Note) The characteristic values below are theoretical values for designing and not guaranteed.

Parameter

Symbol

Conditions

Min Typ Max Unit

Reference signal/interface

Sink current

ISS Sink current of Pin1 when SECAM 150 175 220 µA

signal input

Bell filter

Center frequency power supply

voltage dependency

Center frequency ambient

temperature dependency

Demodulator/Output

∆fOB/ Amount of center frequency fluc-  0.23  kHz/V

∆VCC tuation when VCC = 7.2 V to 9.9 V

∆fOB/ Amount of center frequency fluc-  0.25  kHz/°C

∆T tuation when Ta = 30 °C to 80 °C

Output signal bandwidth

BS Bandwidth of demodulator output  1.3  MHz

signal (Pin9, 10)

Deemphasis pole-frequency

Pole zero point frequency ratio

R−Y output amplitude

power supply voltage dependency

R−Y output amplitude

ambient temperature dependency

B−Y output amplitude

power supply voltage dependency

B−Y output amplitude

ambient temperature dependency

Black level error (R−Y)

power supply voltage dependency

fPD Automatic adjustment period

 85  kHz

fPD/fOD Automatic adjustment period

 3  Times

∆VRY/ Fluctuation amount of R−Y output  1.5  %

∆VCC amplitude when VCC = 7.2 V to 9.9 V

∆VRY/ Fluctuation amount of R−Y output  0.36  mV[p-p]

∆T amplitude when Ta = −30 °C to +80 °C

/°C

∆VBY/ Fluctuation amount of B−Y output  2.0  %

∆VCC amplitude when VCC = 7.2 V to 9.9 V

∆VBY/ Fluctuation amount of B−Y output  0.55  mV[p-p]

∆T amplitude when Ta = −30 °C to +80 °C

/°C

∆fBER/ Fluctuation amount of black level  1  kHz/V

∆VCC error (R−Y) when VCC = 7.2 V to

9.9 V

Black level error (R−Y)

ambient temperature dependency

∆fBER/ Fluctuation amount of black level  50  Hz/°C

∆T error (R−Y) when Ta = −30 °C to

+80 °C

Black level error (B−Y)

∆fBEB/ Fluctuation amount of black level  2  kHz/V

power supply voltage dependency

∆VCC error (B−Y) when VCC = 7.2 V to

9.9 V

Black level error (B−Y)

ambient temperature dependency

∆fBEB/ Fluctuation amount of black level  90  Hz/°C

∆T error (B−Y) when Ta = −30 °C to

+80 °C

6

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