TDA9817T 查看數據表（PDF） - Philips Electronics
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TDA9817T Datasheet PDF : 41 Pages
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Philips Semiconductors
Single/multistandard VIF/SIF-PLL and
FM-PLL/AM demodulators
Product specification
TDA9817; TDA9818
SYMBOL
PARAMETER
CONDITIONS
MIN.
αIM(1.1)
intermodulation
attenuation at ‘blue’
f = 1.1 MHz; see Fig.8;
58
note 9
αIM(3.3)
intermodulation
attenuation at ‘yellow’
intermodulation
attenuation at ‘blue’
f = 1.1 MHz; see Fig.8;
60
note 9
f = 3.3 MHz; see Fig.8;
58
note 9
intermodulation
attenuation at ‘yellow’
f = 3.3 MHz; see Fig.8;
59
note 9
∆funwanted(p-p) robustness for unwanted L standard;
−
frequency deviation of
residual carrier: 3%;
picture carrier
serration pulses: 50%;
(peak-to-peak value)
note 2
∆ϕ
robustness for modulator L standard;
−
imbalance
residual carrier: 0%;
serration pulses: 50%;
note 2
αvc(rms)
residual vision carrier
(RMS value)
fundamental wave and
−
harmonics; B/G and
L standard
αH(sup)
suppression of video
note 10a
35
signal harmonics
αH(spur)
spurious elements
note 10b
40
PSRR
power supply ripple
rejection at pin CVBS
video signal; grey level;
see Fig.13
B/G standard
30
L standard
26
VIF AGC detector (pins CVAGC and CBL)
Ich
charging current
B/G and L standard; note 7 0.75
additional charging current L standard in event of
1.9
missing VITS pulses and
no white video content
Idch
discharging current
B/G standard
15
normal mode L
225
tresp(inc)
tresp(dec)
∆IF
fast mode L
30
AGC response to an
B/G and L standard;
−
increasing VIF step
note 11
AGC response to a
B/G standard
−
decreasing VIF step
fast mode L
−
normal mode L; note 11 −
VIF amplitude step for
L standard
−2
activating fast AGC mode
Vth(CBL)
threshold voltage level
see Fig.10
additional charging current L standard
1.95
L standard; fast mode L 1.6
TYP.
64
66
64
65
−
−
2
40
−
35
30
1
2.5
20
300
40
0.05
2.2
1.1
150
−6
2.0
1.66
MAX.
−
−
−
−
12
3
5
−
−
−
−
1.25
3.1
25
375
50
0.1
3.5
1.8
240
−10
2.05
1.72
UNIT
dB
dB
dB
dB
kHz
%
mV
dB
dB
dB
dB
mA
µA
µA
nA
µA
ms/dB
ms/dB
ms/dB
ms/dB
dB
V
V
2004 Jun 29
12
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