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參數(shù)資料
| 型號(hào)： | TDA4687 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Video processor with automatic cut-off control |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| 文件頁數(shù)： | 14/24頁 |
| 文件大?。?/td> | 129K |
| 代理商： | TDA4687 |
1997 Jun 23
14
Philips Semiconductors
Product specification
Video processor with automatic cut-off control
TDA4687
Vertical flyback (pin 18);
note 6
V
18
vertical flyback pulse
for LOW
for HIGH
pin 18 open-circuit;
note 7
4.5
5.0
2.5
V
V
V
internal voltage
I
18
input current
5
μ
A
Average beam current limiting (pin 15);
note 8
V
c(15)
V
c(15)
contrast reduction starting voltage
voltage difference for full contrast
reduction
brightness reduction starting voltage
voltage difference for full brightness
reduction
4.0
2.0
V
V
V
br(15)
V
br(15)
2.5
1.6
V
V
Peak drive limiting voltage [pin 16; internal peak drive limiting level (V
pdl
) acts on RGB outputs under I
2
C-bus
control; subaddress 0AH];
note 9
V
20,22,24
minimum RGB output voltages
maximum RGB output voltages
charge current
discharge current
internal voltage limitation
contrast reduction starting voltage
voltage difference for full contrast
reduction
brightness reduction starting voltage
voltage difference for full brightness
reduction
at 00H
at 3FH
7.0
4.5
1
5
4.0
2.0
3.0
V
V
μ
A
mA
V
V
V
I
16
during peak white
V
16
V
c(16)
V
c(16)
V
br(16)
V
br(16)
2.5
1.6
V
V
Automatic cut-off control (pin 19);
notes 6 and 10 to 12; see Fig.7
V
19
I
19
external voltage
output current
input current
additional input current
monitor pulse amplitude (under
I
2
C-bus control; subaddress 0AH)
voltage threshold for picture tube
cathode warming up
internally controlled voltage
150
0.5
V
pdl
1.0
V
P
1.4 V
60
μ
A
μ
A
mA
V
switch-on delay 1
switch-on delay 1;
note 11
switch-on delay 1
V
24,22,20
V
19(th)
4.5
V
V
ref
during leakage
measurement period
2.7
V
V
19
difference between V
MEAS
(cut-off
measurement voltage) and V
ref
1.0
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TDA4688 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Video processor with automatic cut-off control |
| TDA4689 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Video processor with automatic cut-off control |
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