LA76810A 查看數據表（PDF） - SANYO -> Panasonic

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LA76810A

Monolithic Linear IC / For PAL/NTSC Color Television Sets VIF/SIF/Y/Deflection 1chip IC

SANYO -> Panasonic 

LA76810A

Test Conditions Ta = 25°C, VCC = V8 = V31 = V43 = 5.0V, l18 = 19mA, ICC = l25 = 27mA

Parameter

[Circuit voltage, current]

Symbol

Test point

Input signal

Test method

Horizontal supply voltage

(pin 25)

V25

No signal

Apply a current of 27mA to pin 25 and

25

measure the voltage at pin 25.

RGB supply voltage (pin 18)

V18

No signal

Apply a current of 19mA to pin 18 and

18

measure the voltage at pin 18.

IF supply current (pin 8)

I8

No signal

Apply a voltage of 5.0V to pin 8 and

(CDDICC)

8

measure the incoming DC current (mA).

(IF AGC 2.5V applied)

CCD supply current (pin 31)

Video/vertical supply current

(pin 43)

I31

(CCDICC)

I43

(DEFICC)

No signal

Apply a voltage of 5.0V to pin 31 and

31

measure the incoming DC current (mA).

No signal

Apply a voltage of 5.0V to pin 43 and

43

measure the incoming DC current (mA).

Bus conditions

Initial

Initial

Initial

Initial

Initial

VIF Block Input Signals and Test Conditions

1. Input signals must all be input to the PIF IN (pin 6) in the Test Circuit.

2. All input signal voltage values are the levels at the VIF IN (pin 6) in the Test Circuit.

3. Signal contents and signal levels

Input signal

Waveform

SG1

38.9MHz

Conditions

CW

SG2

34.47MHz

CW

SG3

33.4MHz

CW

SG4

Frequency variable

CW

SG5

38.9MHz

87.5% Video Mod.

10-stairstep wave

(Subcarrier: 4.43MHz)

SG6

38.9MHz

fm = 15kHz, AM = 78%

4. Before measurement, adjust the DAC as follows.

Parameter

Test point

Input signal

Video

Level DAC

SG6, 80dBµ

46

Adjustment

Set the output level at pin 46 as close to 2.0Vp-p as possible.

NoA0252-8/40

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