AN5195K Ver la hoja de datos (PDF) - Panasonic Corporation

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Fabricante

AN5195K

Single chip IC for PAL/NTSC color TV (built-in I2C bus interface)

Panasonic Corporation 

ICs for TV

AN5195K-C

s Electrical Characteristics at Ta = 25°C (continued)

Parameter

Symbol

Conditions

Min Typ Max Unit

Synchronizing signal processing circuit (continued)

Vertical output voltage (H)

Vertical output voltage (L)

Picture center variable range

V58H High-level DC voltage

3.9 4.2 4.5 V

V58L Low-level DC voltage

  0.3 V

∆THC Change amount of phase difference of H 2.6 3.2 4.4 µs

sync. and H-out of data 0B = 40 to 47

Overvoltage protective

operation voltage

VXRAY Minimum voltage of pin 55

at which H-out stops to appear

0.60 0.68 0.76 V

Vertical frequency

discrimination 50

f50 Vertical frequency to become

V5 = low (< 0.5 V)

47  55 Hz

Vertical frequency

discrimination 60

f60 Vertical frequency to become

V5 = high (> 4.5 V)

57  63 Hz

Sync. signal clamp voltage

V46

V46 clamp voltage

1.0 1.3 1.6 V

Horizontal output start voltage VfHS Minimum V50 to become f0 >10 kHz, 3.4 4.2 5.0

V

when horizontal oscillation output is

more than 1 V[p-p]

I2C interface

Sink current at ACK

IACK Maximum value of pin 21 sink current 1.8 2.5 5.0 mA

when ACK

SCL, SDA signal input high-level VIHI

SCL, SDA signal input low-level VILO

Maximum frequency allowable to input fImax

3.1  

V

  0.9 V

  100 kbit/s

• Design reference data

Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.

Parameter

Symbol

Conditions

Min Typ Max Unit

VIF circuit Typical input: fP = 38.9 MHz, VIN = 90 dBµ

Input sensitivity

VPS Input level to become VPO1 = −3 dB  45  dBµ

Maximum allowable input

VPmax Input level to become VPO1 = +1 dB  110  dBµ

SN ratio

SNP

50   dB

Differential gain

DGP

 5

%

Differential phase

DPP

  5 deg

Black noise detection level

∆VBN Deference from sync. peak value

 −45  IRE

Black noise clamp level

∆VBNC Deference from sync. peak value

 45  IRE

RF AGC operation sensitivity

GRF Input level difference to become

V27 = 1 V → 7 V

0.5  3.0 dB

VCO switch on drift

∆fPD Frequency drift from 5 seconds

to 5 mins. after SW on

  200 kHz

Intermodulation

IM VfC −VfP = −2 dB, VfC −VfP = −12 dB 46  

dB

RF AGC adjustment sensitivity SRF Average amount of change of

output voltage V27 at data 1 step

25

V/

Step

9

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