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參數(shù)資料
| 型號： | TDA9840T-T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 文件頁數(shù)： | 2/15頁 |
| 文件大小： | 160K |
| 代理商： | TDA9840T-T |
1998 Jul 03
10
Philips Semiconductors
Product specication
TV and VTR stereo/dual sound processor
with digital identication and I2C-bus control
TDA9840
AF outputs (pins 11 to 14)
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
(AC-coupled)
10
k
B
frequency response
(bandwidth)
fi = 40 to 20000 Hz;
note 4
0.5
+0.5
dB
B3dB
frequency response
3 dB; note 4
300
350
400
kHz
THD
total harmonic distortion
note 3
0.2
0.3
%
S/N(W)
weighted signal-to-noise ratio
“CCIR468-3”
(quasi-peak)
66
75
dB
α
cr
crosstalk attenuation for
notes 3 and 5
DUAL
Z
s≤ 1k
70
75
dB
STEREO
Z
s≤ 1k
40
45
dB
α
mute
mute attenuation
Zs≤ 1k; note 3
76
80
dB
V
DC
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
A
αI2C
noise from I2C-bus
note 6
90
80
dB
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
inuence 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
crystal series resistance of
unwanted mode
2
× Rr
C0
crystal parallel capacitance
with Rr ≤ 100
610
pF
C1
crystal motional capacitance
25
50
fF
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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