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PDF TDA9812 Data sheet ( Hoja de datos )
| Número de pieza | TDA9812 | |
| Descripción | Multistandard VIF-PLL and FM-PLL/AM demodulator | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
TDA9812
Multistandard VIF-PLL and
FM-PLL/AM demodulator
Preliminary specification
File under Integrated Circuits, IC02
1995 Mar 21
Philips Semiconductors
1 page  
Philips Semiconductors
Multistandard VIF-PLL and
FM-PLL/AM demodulator
Preliminary specification
TDA9812
PINNING
SYMBOL
Vi VIF1
Vi VIF2
CBL
n.c.
n.c.
TADJ
TPLL
CSAGC
STD
Vo CVBS
LSWI
Vo AF
DEEMI
DEEMO
CDEC
n.c.
Vi FM
n.c.
TAGC
Vo(int)
Vo(vid)
Vi(vid)
AFC
VCO1
VCO2
Cref
GND
CVAGC
VP
n.c.
Vi SIF1
Vi SIF2
PIN SDIP32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
PIN SO28
1
2
3
−
−
4
5
6
7
8
9
10
11
12
13
14
15
−
16
17
18
19
20
21
22
23
24
25
26
−
27
28
DESCRIPTION
VIF differential input signal voltage 1
VIF differential input signal voltage 2
black level detector
not connected
not connected
tuner AGC take-over adjust (TOP)
PLL loop filter
SIF AGC capacitor
standard switch
CVBS output signal voltage
L/L accent switch
audio voltage frequency output
de-emphasis input
de-emphasis output
decoupling capacitor
not connected
sound intercarrier input voltage
not connected
tuner AGC output
sound intercarrier output voltage
composite video output voltage
video buffer input voltage
AFC output
VCO1 reference circuit for 2fPC
VCO2 reference circuit for 2fPC
1⁄2VP reference capacitor
ground
VIF AGC capacitor
supply voltage
not connected
SIF differential input signal voltage 1
SIF differential input signal voltage 2
1995 Mar 21
5
5 Page 
Philips Semiconductors
Multistandard VIF-PLL and
FM-PLL/AM demodulator
Preliminary specification
TDA9812
SYMBOL
PARAMETER
CONDITIONS
Composite video amplifier (pin 21; sound carrier OFF)
Vo video(p-p)
output signal voltage
(peak-to-peak value)
see Fig.13
V21(sync)
V21(clu)
sync voltage level
upper video clipping voltage
level
B/G and L standard
V21(cll)
lower video clipping voltage
level
R21
Iint 21
output resistance
internal DC bias current for
emitter-follower
note 2
I21(max)(sink)
maximum AC and DC output
sink current
I21(max)(source) maximum AC and DC output
source current
B−1 −1 dB video bandwidth B/G and L standard;
CL < 50 pF; RL > 1 kΩ;
AC load
B−3 −3 dB video bandwidth B/G and L standard;
CL < 50 pF; RL > 1 kΩ;
AC load
αH
suppression of video signal
CL < 50 pF; RL > 1 kΩ;
harmonics
AC load; note 8a
PSRR
power supply ripple rejection at video signal; grey level;
pin 21
see Fig.16
B/G standard
L standard
CVBS buffer amplifier (only) and noise clipper (pins 10 and 22)
R22 input resistance
C22 input capacitance
V22 DC input voltage
Gv voltage gain
note 2
note 2
B/G and L standard;
note 9
V10(clu)
upper video clipping voltage
level
V10(cll)
lower video clipping voltage
level
R10
Iint 10
output resistance
DC internal bias current for
emitter-follower
note 2
I10(max)(sink)
maximum AC and DC output
sink current
I10(max)(source) maximum AC and DC output
source current
1995 Mar 21
11
MIN. TYP. MAX. UNIT
0.88 1.0 1.12 V
− 1.5 −
VP − 1.1 VP − 1 −
V
V
− 0.3 0.4 V
− − 10 Ω
1.6 2.0 −
mA
1.0 − − mA
2.0 − − mA
5 6 − MHz
7 8 − MHz
35 40 − dB
32 35 − dB
26 30 − dB
2.6 3.3 4.0 kΩ
1.4 2
3.0 pF
1.5 1.8 2.1 V
6.5 7
7.5 dB
3.9 4.0 −
V
− 1.0 1.1 V
− − 10 Ω
2.0 2.5 −
mA
1.4 − − mA
2.4 − − mA
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TDA9812.PDF ] | |
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