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參數(shù)資料
| 型號： | TDA4886A |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | 140 MHz video controller with I2C-bus |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
| 封裝： | 0.400 INCH, PLASTIC, SDIP-24 |
| 文件頁數(shù)： | 12/52頁 |
| 文件大?。?/td> | 495K |
| 代理商： | TDA4886A |
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1998 Dec 04
12
Philips Semiconductors
Product specification
140 MHz video controller with I
2
C-bus
TDA4886A
t
dl5
delay between leading edges of
vertical blanking input pulse and
signal blanking at signal outputs
V
11
< 0.8 V; input pulse with
50 ns/V; threshold for rising
input pulse V
5
= 1.4 V;
threshold after input clamping
pulse V
5
= 3 V; V
I(b-w)
= 0.7 V;
see Fig.7
V
11
< 0.8 V; input pulse with
50 ns/V; threshold V
5
= 1.4 V;
see Fig.7
270
ns
t
dt5
delay between trailing edges of
vertical blanking input pulse and
internal blanking pulse
115
ns
Output clamping and blanking input (pin 11)
V
11
output clamping and blanking
input signal
note 9
no blanking,
no output clamping
blanking, no output clamping
blanking, output clamping
V
11
= 0.8 V
pin 11 connected to ground;
note 8
V
11
=
0.1 V; note 8
threshold V
11
= 3 V
0.1
+0.8
V
2.0
3.5
80
0.4
60
2.6
V
P
30
V
V
μ
A
μ
A
I
11
input current
250
1
200
100
μ
A
μ
s
t
W11
width of output clamping pulse
Video signal inputs (channel 1: pin 6; channel 2: pin 8; channel 3: pin 10)
V
i(b-w)6,8,10
positive input signal referred to
black
DC input current
0.7
1.0
V
I
I6,8,10
no input clamping;
V
I6,8,10
= V
I(clamp)6, 8, 10
;
T
amb
=
20 to +70
°
C
during input clamping;
V
I6,8,10
= V
I(clamp)6,8,10
±
0.7 V
0.02
0.20
0.35
μ
A
±
100
±
135
±
170
μ
A
Signal blanking
α
ct(blank)
crosstalk suppression from
input to output during blanking
control bit DISV = 1; f = 80 MHz 20
control bit DISV = 1;
f = 120 MHz
dB
dB
10
Clipping of negative input signals (measured at signal outputs)
V
clipp
offset during sync clipping
related to nominal colour signal
V
I6,8,10
= V
I(clamp)6,8,10
; note 10;
see Fig.3
2
%
Contrast control;
see Fig.8 and note 11
d
C
colour signal related to nominal
colour signal
3FH (maximum)
26H (nominal)
00H (minimum)
3FH to 00H; note 12
4.2
0
28
0.0
0.5
dB
dB
dB
dB
G
track
tracking of output colour signals
of channels 1, 2 and 3
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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