TDA9847 データシートの表示（PDF） - Philips Electronics
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TDA9847 Datasheet PDF : 28 Pages
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Philips Semiconductors
TV and VTR stereo/dual sound processor
with digital identification
Preliminary specification
TDA9847
SYMBOL
PARAMETER
CONDITIONS
MIN.
AF Inputs (Vi1 and Vi2 [pins 9 and 10)]
Vi(rms)
nominal input signal voltage
(RMS value)
Vi(rms)
clipping voltage level
(RMS value)
Gv
AF signal voltage gain
Ri
Rdeem
input resistance
internal de-emphasis resistor
(pins 17 and 21)
54% modulation
B/G
−
L (only Vi1)
−
THD ≤1.5%
VP = 5 V; B/G
VP = 8 V; B/G
VP = 5 V; L (only Vi1)
VP = 8 V; L (only Vi1)
G = Vo/Vi; note 1
B/G
0.625
1.050
1.200
2.100
5
L (only Vi1)
−1
40
see Fig.4
4.25
Additional AF inputs (pins 11 and 12)
Vi(rms)
nominal input signal voltage
(RMS value)
Vi(rms)
clipping voltage level
(RMS value)
Gv
AF signal voltage gain
Ri
input resistance
AF outputs (pins 13 to 16)
Vo(rms)
nominal output signal voltage
(RMS value)
Vo(rms)
clipping voltage level
(RMS value)
Ro
CL
RL
B
B−3 dB
THD
S/N(W)
output resistance
load capacitor on output
load resistor on output
(AC-coupled)
frequency response
(bandwidth)
frequency response
total harmonic distortion
weighted signal-to-noise ratio
54% modulation
THD ≤ 1.5%
VP = 5 V
VP = 8 V
G = Vo/Vi; note 1
THD ≤ 0.3%;
54% modulation
THD ≤ 1.5%
VP = 5 V
VP = 8 V
fi = 40 to 20000 Hz;
note 2
−3 dB; note 2
note 1
“CCIR468-3”
(quasi-peak)
−
0.625
1.050
5
40
−
1.4
2.4
250
−
10
−0.5
300
−
66
TYP.
0.25
0.5
0.715
1.200
1.400
2.350
6
0
50
5.0
0.25
0.715
1.200
6
50
0.5
1.6
2.65
350
−
−
−
350
0.2
75
MAX.
−
−
−
−
−
−
7
+1
60
5.75
−
−
7
60
−
−
−
450
1.5
-
+0.5
400
0.3
−
UNIT
V
V
V
V
V
V
dB
dB
kΩ
kΩ
V
V
V
dB
kΩ
V
V
V
Ω
nF
kΩ
dB
kHz
%
dB
1995 May 23
10
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