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TDA9845 データシート(PDF) 9 Page - NXP Semiconductors

部品番号 TDA9845
部品情報  TV and VTR stereo/dual sound processor with digital identification
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メーカー  PHILIPS [NXP Semiconductors]
ホームページ  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA9845 データシート(HTML) 9 Page - NXP Semiconductors

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1995 Mar 20
9
Philips Semiconductors
Preliminary specification
TV and VTR stereo/dual sound processor
with digital identification
TDA9845
AF outputs (pins 11 and 12)
Vo(rms)
nominal output signal voltage
(RMS value)
THD
≤ 0.3%;
54% modulation
0.5
V
Vo(rms)
clipping voltage level
(RMS value)
THD
≤ 1.5%
VP = 5 V
1.4
1.6
V
VP = 8 V
2.4
2.65
V
Ro
output resistance
150
250
350
CL
load capacitor on output
−−
1.5
nF
RL
load resistor on output
(AC-coupled)
10
−−
k
B
frequency response
(bandwidth)
fi = 40 to 20000 Hz;
note 2
−0.5
+0.5
dB
B−3dB
frequency response
−3 dB; note 2
300
350
400
kHz
THD
total harmonic distortion
note 1
0.2
0.3
%
S/N(W)
weighted signal-to-noise
ratio
“CCIR468-3”
(quasi-peak)
66
75
dB
αcr
crosstalk attenuation for
notes 1 and 3
DUAL
Zs≤ 1kΩ
70
75
dB
STEREO
Z
s≤ 1kΩ
40
45
dB
αmute
mute attenuation
Zs≤ 1kΩ; note 1
76
80
dB
∆VDC
change of DC level output
voltage between any two
modes of operation
after switching
−−
±10
mV
PSRR
power supply ripple rejection
fr = 70 Hz; see Fig.6
50
65
dB
IO(DC)
DC output current
−−
±20
µA
10 MHz crystal oscillator (pin 19)
fr
series resonant frequency of
crystal (fundamental mode)
CL = 20 pF
9.995
10.008
10.021
MHz
fω
working oscillator frequency
(running in parallel
resonance mode)
over operating
temperature range
including ageing and
influence of drive circuit
9.988
10.008
10.028
MHz
Rr
equivalent crystal series
resistance
even at extremely low
drive level (
<1 pW) over
operating temperature
range with C0 =6pF
60
200
Rn
crystal series resistance of
unwanted mode
2
× Rr
−−
C0
crystal parallel capacitance
with Rr ≤100 Ω−
610
pF
C1
crystal motional capacitance
25
50
fF
PXTAL
level of drive in operation
−−
5
µW
VOSC(p-p)
oscillator operating voltage
(peak-to-peak value)
500
550
600
mV
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT


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