參數(shù)資料
型號(hào)： TDA4885
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 消費(fèi)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(yè)數(shù)： 15/56頁(yè)
文件大?。?/td> 396K
代理商： TDA4885
1997 Nov 25
15
Philips Semiconductors
Product specification
150 MHz video controller with I
2
C-bus
TDA4885
Pedestal blanking
V
30, 25, 20PED
difference of pedestal black
level to video black level at
nominal brightness at signal
output pins related to nominal
colour signal
note 22; see Fig.5
18
16
14
%
V
30, 25, 20PED(T)
variation of
V
30, 25, 20PED
with
temperature related to nominal
colour signal
T
amb
=
20 to +70
°
C
0.8
0
+0.8
%
Signal outputs (channel 1: pin 30; channel 2: pin 25; channel 3: pin 20)
V
30, 25, 20(b-w)
nominal colour signal
nominal contrast; maximum
gain; pins 12, 13 and 14
grounded; V
I(b-w)
= 0.7 V;
without load
maximum contrast; maximum
gain; pins 12, 13 and 14
grounded; V
I(b-w)
= 0.7 V;
without load
2.5
2.8
3.1
V
V
30, 25, 20(max)
maximum colour signal
4.0
4.5
5
V
V
30, 25, 20(min)
switch-off voltage
(minimum output voltage level)
maximum output voltage level
0.05
0.1
V
V
30, 25, 20(max)
at arbitrary input signals,
contrast, brightness and gain
adjustments; without load
V
P
2
V
P
1
V
R
30, 25, 20
I
30, 25, 20
I
30, 25, 20M(source)
output resistance
maximum source current
peak source current
15
40
80
mA
mA
during fast positive signal
transients
during fast negative signal
transients
note 23
note 24
I
30, 25, 20M(sink)
peak sink current
20
mA
S/N
D
30, 25, 20(th)
signal-to-noise ratio
output thermal distortion
44
50
0.6
dB
%
Frequency response at signal outputs (channel 1: pin 30; channel 2: pin 25; channel 3: pin 20)
G
30, 25, 20(f)
amplification decrease by
frequency response
t
r(30, 25, 20)
rise time of fast transients
f = 135 MHz (small signal)
1.2
3.0
dB
10 to 90% amplitude; nominal
colour signal; note 25
90 to 10% amplitude; nominal
colour signal; note 25
input rise/fall time = 1 ns;
nominal colour signal
2.7
3
ns
t
f(30, 25, 20)
fall time of fast transients
3.9
4.3
ns
dV
30, 25, 20
over/undershoot of output
signal pulse related to actual
output pulse amplitude
5
10
%
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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