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參數(shù)資料
| 型號： | TDA4780 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | RGB video processor with automatic cut-off control and gamma adjust |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 26/44頁 |
| 文件大小： | 321K |
| 代理商： | TDA4780 |
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1997 Feb 06
26
Philips Semiconductors
Preliminary specification
RGB video processor with automatic
cut-off control and gamma adjust
TDA4780
Threshold 3 (TH3)
I
16(3)(max)(dch)
maximum discharge current
TH3 = MX + V
LiL
;
undelayed
0.45
0.6
0.75
mA
S
steepness
1.5
mA/V
C
HARGE CURRENT
I
16
V
16
V
16
V
16
V
16
V
16(max)
charge current
start of contrast reduction
input range for full contrast reduction
start of brightness reduction
input range for full brightness reduction
maximum voltage by internal limitation
2
4.5
1
4
2
2.5
1.6
0.5
μ
A
V
V
V
V
V
Hue adjust output (pin 26);
note 14
V
o26(min)
minimum output voltage
YEXH = 0; I
2
C-bus
data 00H
YEXH = 0; I
2
C-bus
data 20H
YEXH = 0; I
2
C-bus
data 3FH
0.5
1.0
V
V
o26(nom)
nominal output voltage
3.0
3.2
3.4
V
V
o26(max)
maximum output voltage
4.8
5.6
V
I
26
current of internal emitter follower
500
700
μ
A
I
2
C-bus inputs
f
28
t
SU;DAT
t
H
t
L
t
r
t
f
clock frequency range
data set-up time
clock pulse HIGH
clock pulse LOW
rise time
fall time
0
250
4
4.7
100
1
0.3
kHz
ns
μ
s
μ
s
μ
s
μ
s
Input levels (pins 27 and 28)
V
IL
V
IH
I
I
LOW level input voltage
HIGH level input voltage
input current
3.0
10
1.5
5.5
10
V
V
μ
A
μ
A
V
27
and V
28
= 0.4 V
V
27
and V
28
= 0.9V
P
Output level (pin 27)
V
OL
I
O
LOW level output voltage
output current
3.0
0.4
V
mA
V
27
= 0.4 V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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