AN2492FH Просмотр технического описания (PDF) - Panasonic Corporation

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AN2492FH

Luminance and chrominance signal processing circuit for 8 mm video (NTSC)

Panasonic Corporation 

AN2492FH

ICs for VCR

s Absolute Maximum Ratings

Parameter

Symbol

Rating

Unit

Supply voltage

VCC

5.5

V

Supply current

ICC

100

mA

Power dissipation *2

PD

359

mW

Operating ambient temperature *1, *3

Topr

−10 to +70

°C

Storage temperature *1

Tstg

−55 to +125

°C

Note) *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.

*2: The power dissipation shown is for the IC package at Ta = 70°C.

PD = 696 (mW) (Ta = 70°C) in mounting on the glass epoxy printed circuit board of 50 × 50 × 0.8 (mm).

*3: PD = 471 (mW) at supply voltage VCC = 4.8 V.

s Recommended Operating Range

Parameter

Symbol

Range

Unit

Supply voltage

VCC

4.7 to 5.2

V

s Electrical Characteristics at VCC = 4.8 V, Ta = 25°C

Parameter

Symbol

Conditions

Min Typ Max Unit

Consumption current 1

Consumption current 2

Consumption current 3

Consumption current 4

Internal reference voltage source

REC overall

ICC1

ICC2

ICC3

ICC4

VREF

VME

Consumption current for recording

Consumption current for playback

Power save mode

Camera power save mode

Pin 3 voltage

Adjust pin 53 to set pin 47 output

at 1 V[p-p]

52 72 92 mA

58 78 98 mA

42 62 82 mA

−8 −4.2 −1 mA

 2.5 

V

−14 −12 −10 dB

Y-AGC control characteristics ∆VAGC Pin 47 output gain ratio with input −1.5 0 1.5 dB

0.5 V[p-p] and 2.0 V[p-p]

Y-AGC through mode

View finder amp. frequency

characteristics

V26S Pin 24 output at pin 50 input

fBA Output ratio of 5 MHz/100 kHz

at input 100 kHz, 5 MHz

200 250 300 mV[p-p]

−1.5 0 1.5 dB

Video-OSD white mute level

Video-OSD black mute level

Video-OSD white mute CTL

voltage

VOW DC voltage based on a pedestal level 56 68 80 IRE

VOB DC voltage based on a pedestal level −7 0 12 IRE

V48W Pin 48 input at inserting a record

character

3.6  4.8 V

Video-OSD black mute CTL

voltage

V48B Pin 48 input at inserting a record

character

2.0  2.6 V

Video-OSD through CTL voltage V48S

Pin 48 input at inserting a record

character

0  1.0 V

4

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