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參數(shù)資料
型號(hào): 935224780112
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝: 0.600 INCH, PLASTIC, SOT-400, SDIP-56
文件頁(yè)數(shù): 24/75頁(yè)
文件大小: 522K
代理商: 935224780112
1997 Jul 01
30
Philips Semiconductors
Preliminary specication
I2C-bus controlled economy PAL/NTSC
and NTSC TV-processors
TDA837x family
Sound circuit
DEMODULATOR PART
Vi(crPLL)(rms)
input limiting voltage for PLL
catching range (RMS value)
12mV
fcr(PLL)
PLL catching range
note 14
4.2
6.8
MHz
Ri
input resistance
note 2
8.5
k
Ci
input capacitance
note 2
5pF
AMR
AM rejection
Vi = 50 mV (RMS); note 15 60
66
dB
DE-EMPHASIS
Vo(rms)
output signal amplitude
(RMS value)
note 14
500
mV
Ro
output resistance
15
k
VO
DC output voltage
3
V
AUDIO ATTENUATOR CIRCUIT
Vo(rms)
controlled output signal
amplitude (RMS value)
at
6 dB; note 14
500
700
900
mV
VoAVL(rms)
output signal level when AVL is
activated (RMS value)
note 16
300
400
500
mV
VoFAV(rms)
output signal level when FAV is
activated (RMS value)
note 14
500
mV
Ro
output resistance
500
VO
DC output voltage
3.3
V
THD
total harmonic distortion
note 17
0.5
%
FAV = 1; note 18
tbf
%
PSRR
power supply ripple rejection
note 4
tbf
dB
S/Nint
internal signal-to-noise ratio
notes 4 and 19
60
dB
S/Next
external signal-to-noise ratio
notes 4 and 19
80
dB
Tdep(out)
temperature dependancy of
output level
notes 4 and 20
tbf
dB
CR
control range
tbf
80
tbf
dB
VCstep
step size volume control
1.5
dB
control curve
see Fig.8
OSS
suppression of output signal
when the mute is active
80
dB
Vshift
DC shift of the output level when
the mute is activated
10
50
mV
EXTERNAL AUDIO INPUT
Vi(rms)
input signal amplitude
(RMS value)
500
1500
mV
Ri
input resistance
25
k
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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