參數(shù)資料
型號(hào): TDA8303
廠商: NXP Semiconductors N.V.
英文描述: Small signal combination IC for black/white TV
中文描述: 小信號(hào)為黑色/白色電視的組合集成電路
文件頁(yè)數(shù): 3/21頁(yè)
文件大小: 153K
代理商: TDA8303
July 1992
3
Philips Semiconductors
Preliminary specification
Small signal combination IC for black/white TV
TDA8303
TDA8303A
QUICK REFERENCE DATA
Notes to the quick reference data
1.
Pin 11 has a double function. When during switch-on a current of 9 mA is supplied to this pin, it is used to start the
horizontal oscillator. The main supply can then be obtained from the horizontal deflection stage. When no current is
supplied to this pin it can be used as a volume control.
2.
On set AGC.
3.
The output signal is measured at
f = 7.5 kHz and maximum volume control.
4.
The minimum value is obtained by connecting a 1.8 k
resistor and a 470 nF capacitor in series between the video
output and pin 25. The slicing level can be varied by changing the value of this resistor (higher resistance value
results in a larger value of the minimum sync pulse amplitude). The slicing level is independent of the video
information.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
P
I
P
I
start
positive supply voltage (pin 7)
supply current (pin 7)
start current (pin 11)
9.5
90
12
125
6.5
13.2
160
9
V
mA
mA
note 1
Video
V
8-9(RMS)
IF sensitivity (RMS value)
at 38.9 MHz;
note 2
20
40
65
μ
V
G
8-9
S/N
IF gain control range
signal-to-noise ratio
74
57
dB
dB
input signal =
10 mV
V
18(p-p)
AFC output voltage swing
(peak-to-peak value)
10.5
11.5
V
Sound
V
12(RMS)
AMS
THD
AF output signal (RMS value)
AM suppression
total harmonic distortion
note 3
at V
I
= 50 mV
400
600
58
0.5
800
mV
dB
%
Sync
V
25
I
27
V
22
required sync pulse amplitude
required input current during flyback pulse
coincidence detector output voltage
in synchronized condition
in no signal condition
vertical feedback for DC voltage
vertical feedback for AC voltage
(peak-to-peak value)
note 4
200
0.1
2
mV
mA
2.9
9.7
1.5
3.3
1.2
3.7
V
V
V
V
V
22
V
22(p-p)
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