參數(shù)資料
型號: TDA4504B
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Small signal combination for multistandard colour TV
中文描述: SPECIALTY CONSUMER CIRCUIT, PDIP32
封裝: PLASTIC, SOT-201, DIP-32
文件頁數(shù): 22/26頁
文件大?。?/td> 190K
代理商: TDA4504B
February 1992
22
Philips Semiconductors
Product specification
Small signal combination for multistandard colour TV
TDA4504B
COINCIDENCE DETECTOR SWITCHING LEVELS
CONDITION
PIN 18
VIDEO SWITCH
CONDITION
PIN 17
VCR SWITCH
CONDITION
V
25
CONTROL SENSITIVITY
HOR.OSCILLATOR kHz / S
T2
T1
T3 = SCAN
Low internal video
floating
automatic
VCR
V
25
>
6.7 V
and
strong signal
weak signal
V
25
<
6.1 V
and
strong signal
weak signal
don't care
11.3
1.3
7.6
1.3
11.3
11.3
11.3
7.6
7.6
7.6
HIGH
forced VCR
LOW
T.V. mode
don't care
V
25
>
6.7 V
V
25
<
6.1 V
don't care
1.3
11.3
11.3
1.3
7.6
7.6
HIGH or
floating
external video
Fig.7 Switching levels coincidence detector.
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