AN5095K 查看數據表（PDF） - Panasonic Corporation

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AN5095K

Single chip IC with I2C bus interface for PAL/NTSC color TV system

Panasonic Corporation 

ICs for TV

AN5095K

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

Parameter

Symbol

Conditions

Min Typ Max Unit

AV SW circuit

Video SW voltage gain

GVSW f = 1 MHz, VIN = 1 V[p-p]

5.7 6.7 7.7 dB

Video SW-frequency

characteristic

fVSW Frequency to become −3 dB from f =

8

10  MHz

1 MHz, VIN = 0.714 V[0-p]

Video SW external input terminal V31 DC measurement

voltage

1.7 2.0 2.3 V

Video SW external output DC

voltage

V44E DC measurement,

03-D7 = 1, 0B-D7 = 1

4.2 4.8 5.4 V

Video SW external input resistance RI31

Video SW output resistance

RO44

Video SW internal clamp terminal V38, 40

voltage

Video SW internal output DC V44I

voltage

DC measurement

DC measurement,

IO = − 0.6 mA to −1.0 mA

DC measurement,

IIN = −1.0 mA

DC measurement

44 56 68 kΩ

110 150 190 Ω

1.4 1.7 2.0 V

3.7 4.3 4.9 V

Audio SW voltage gain

GASW

Data 03-D7 = 1, 0B-D7 = 1,

(input from outside) f = 400 Hz,

VIN = 1 V[p-p]

−1 0

1

Audio SW output DC voltage

V28 DC measurement

3.7 4.2 4.7

Audio SW output resistance

RO28 DC measurement

350 450 550

Video signal processing circuit Typical input; 0.6 V[p-p] (VBW = 0.42 V[p-p] stair-step) at G-out

Video output (typ.)

VYO Data 03 = 20 (typ.) (contrast)

2.0 2.5 3.0

Video output (max.)

VYOmax Data 03 = 3F (max.)

4.1 5.0 5.9

Video output (min.)

VYOmin Data 03 = 00 (min.)

0.15 0.50 1.00

Contrast variable range

YCmax/min 03 = 3F

03 = 00

15 20 25

dB

V

Ω

V[0-p]

V[0-p]

V[0-p]

dB

Video frequency characteristic

fYC Pin 33 = 5 V (sharpness), frequency to 5.5 6.0  MHz

become −3 dB from f = 0.2 MHz

Picture quality variable range

Pedestal level (typ.)

Pedestal variable width

Brightness control sensitivity

YSmax/min V33 = 7V

V33 = 5V

f = 3.8 MHz

9 13 17 dB

VPED Data 02 = 40 (typ.) (brightness)

2.0 2.5 3.0 V

∆VPED Difference between data 02 = 00 and 7F 2.15 2.75 3.35 V

∆VBRT Average amount of change per 1-step 14 20 26 mV/Step

between data 02 = 30 and 50

Video input clamp voltage

ACL sensitivity

VYCLP Pin 45 clamp voltage

3.2 3.7 4.2 V

ACL Amount of change of Y-out, when V20 2.7 3.2 3.7 V/V

= 3.0 V → 3.5 V

Blanking level

VYBL Blanking pulse DC voltage

 1.0 1.5 V

7

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