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參數資料
| 型號： | TDA4885 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | 150 MHz video controller with I2C-bus |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP32 |
| 封裝： | 0.400 INCH, PLASTIC, SOT-232-1, SDIP-32 |
| 文件頁數： | 14/56頁 |
| 文件大小： | 396K |
| 代理商： | TDA4885 |
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1997 Nov 25
14
Philips Semiconductors
Product specification
150 MHz video controller with I
2
C-bus
TDA4885
Limiting (pin 17);
see Fig.9 and note 17
V
17(nom)
V
17(start)
input voltage
starting voltage for contrast
and OSD contrast reduction
stop voltage for contrast and
OSD contrast reduction
maximum input current
pin 17 open-circuit
4.7
4.2
5.0
4.5
5.3
4.8
V
V
V
17(stop)
32 dB below maximum colour
signal (contrast setting 3FH)
V
17
= 0 V
1.5
2.0
2.5
V
I
17
1.0
0.5
0.1
μ
A
Brightness control;
see Fig.12 and notes 18 and 19
V
bl
difference between black level
and reference black level at
signal outputs related to
nominal colour signal
V
BT
difference of
V
bl
between any
two channels related to
nominal colour signal
3FH (maximum)
10H (nominal)
00H (minimum)
+25
2
12
+30
0
10
+35
+2
8
%
%
%
1.2
0
+1.2
%
Brightness blanking
t
d11(br)l
delay between blanking input
at pin 11 (leading edge) and
brightness blanking at signal
outputs
delay between blanking input
at pin 11 (trailing edge) and
brightness blanking at signal
outputs
see Fig.8
60
ns
t
d11(br)t
see Fig.8
60
ns
Gain control;
see Fig.13 and note 20
d
G
video signal related to video
signal at maximum gain
00H (minimum)
3FH (maximum)
8
7
0
6
dB
dB
Gain modulation (channel 1: pin 12; channel 2: pin 13; channel 3: pin 14)
V
12, 13, 14
input voltage
symmetrical modulation
modulation feature not in use
nominal: pins 12, 13 and 14
open-circuit
note 21; see Fig.14
pins 12, 13 and 14 grounded
(modulation feature not in
use)
V
12, 13, 14
= 1 V (maximum)
V
12, 13, 14
= 2 V
V
12, 13, 14
= 3 V (minimum)
1.0
1.8
2.0
3.0
0
2.2
V
V
V
G
mod1, 2, 3
gain modulation channels 1, 2
and 3
112
120
130
%
112
76
118
100
82
124
88
%
%
%
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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相關代理商/技術參數 |
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|---|---|
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| TDA4887PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:160 MHz bus-controlled monitor video preamplifier |
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