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부품번호 | TDA9800 기능 |
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기능 | VIF-PLL demodulator and FM-PLL detector | ||
제조업체 | NXP Semiconductors | ||
로고 | |||
전체 23 페이지수
INTEGRATED CIRCUITS
DATA SHEET
TDA9800
VIF-PLL demodulator and FM-PLL
detector
Preliminary specification
File under Integrated Circuits, IC02
July 1994
Philips Semiconductors
VIF-PLL demodulator and FM-PLL detector
Preliminary specification
TDA9800
PINNING
SYMBOL
Vi IF
TADJ
φADJ
MUTE
TPLL
Vo CVBS
n.c.
Vo AF
CAF
Vi IC
TAGC
Vo VID
Vi VID
AFC
VCO1
VCO2
GND
CAGC
VP
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DESCRIPTION
vision IF differential input signal
tuner AGC take-over adjust (TOP)
phase detector adjust
sound mute switch
PLL time constant of phase detector
CVBS (positive) output signal
not connected
audio frequency output signal
decoupling capacitor of audio frequency amplifier
sound intercarrier input signal
tuner AGC output
video and sound intercarrier output signal
video input signal to buffer amplifier
automatic frequency control output
VCO reference circuit for 2 fPC
ground (0 V)
AGC capacitor
positive supply voltage
July 1994
handbook, halfpage
Vi VIF1 1
Vi VIF2 2
TOP 3
20 VP
19 CAGC
18 GND
CCS 4
17 VCO2
MUTE 5
TPLL 6
16 VCO1
TDA9800
15 AFC
Vo CVBS 7
14 Vi(vid)
n.c. 8
13 Vo(vid)
Vo AF 9
12 TAGC
CAF 10
11 Vi IC
MED330
Fig.2 Pin configuration.
4
4페이지 Philips Semiconductors
VIF-PLL demodulator and FM-PLL detector
Preliminary specification
TDA9800
CHARACTERISTICS
The following characteristics apply for VP = 5 V; Tamb = +25 °C; see Table 1 for input frequencies and picture to sound
ratios; VilF = 10 mV RMS value (sync level); video modulation DSB; residual carrier: 10%; video signal in accordance
with CCIR line 17 or NTC-7 Composite; measurements taken in Fig.3 unless otherwise specified
SYMBOL
PARAMETER
CONDITIONS
MIN.
VP supply voltage (pin 20)
IP supply current
note 1
4.5
51
Vision IF input (pins 1 and 2)
Vi
input sensitivity (RMS value) at
−1 dB video at output −
38.9 MHz and 45.75 MHz
input sensitivity (RMS value) at
58.75 MHz
−
maximum input signal (RMS value) at +1 dB video at output 70
38.9 MHz and 45.75 MHz
maximum input signal (RMS value) at
58.75 MHz
80
∆Vo int.
GIF
internal IF amplitude difference
between picture and sound carrier
IF gain control
within AGC range;
B/G: ∆f = 5.5 MHz;
M/N: ∆f = 4.5 MHz
see Fig.4
38.9 MHz and
45.75 MHz
−
64
58.75 MHz
62
B −3 dB IF bandwidth
Ri input resistance (differential)
Ci input capacitance (differential)
V1, 2
DC input voltage
True synchronous video demodulator
upper cut-off frequency 70
1.7
1.2
3.0
note 2
fVCO
maximum oscillator frequency for
f = 2fPC
carrier regeneration
125
∆fVCO
oscillator drift (free running) as a
function of temperature
IAFC = 0; note 3
−
Vo ref
∆fPC
oscillator swing at pins 16 and 17
(RMS value)
vision carrier capture range
(negative)
fPC = 38.9 MHz
fPC = 45.75 MHz
fPC = 58.75 MHz
−
−
−
1.5
vision carrier capture range (positive)
1.5
tacqu
acquisition time
BL = 60 kHz; note 4 −
TYP.
5
60
50
60
150
160
0.7
70
68
100
2.2
1.7
3.4
130
−
120
100
80
2
2
−
MAX.
8.8
69
UNIT
V
mA
90 µV
100 µV
− mV
− mV
1 dB
− dB
− dB
− MHz
2.7 kΩ
2.5 pF
3.8 V
− MHz
±20 ppm/K
− mV
− mV
− mV
− MHz
− MHz
30 ms
July 1994
7
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부품번호 | 상세설명 및 기능 | 제조사 |
TDA9800 | VIF-PLL demodulator and FM-PLL detector | NXP Semiconductors |
TDA9801 | Single standard VIF-PLL demodulator and FM-PLL detector | NXP Semiconductors |
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