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參數(shù)資料
| 型號： | 935264471557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | TELEPHONE SPEECH CKT, PQFP44 |
| 封裝： | PLASTIC, SOT-307, QFP-44 |
| 文件頁數(shù)： | 16/39頁 |
| 文件大小： | 205K |
| 代理商： | 935264471557 |
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1999 Apr 08
23
Philips Semiconductors
Product specication
Speech and loudspeaker amplier IC with
auxiliary inputs/outputs and analog multiplexer
TEA1097
RX EARPIECE AMPLIFIER (PINS GARX AND QR)
Gv(RECO-QR)
gain voltage range between pins
RECO and QR
3
+15
dB
VQR(rms)(max)
maximum output voltage on pin
QR (RMS value)
sine wave drive;
RL = 150 ; THD < 2%
0.75
0.9
V
Vno(QR)(rms)
noise output voltage at pin QR;
pin IR is an open-circuit
(RMS value)
Gv(QR) = 0 dB;
psophometrically
weighted (p53 curve)
88
dBVp
RX AMPLIFIER USING RAUX (PINS RAUX AND RECO)
Gv(RAUX-RECO)
voltage gain from pin RAUX to
RECO
VRAUX = 0.4 V (RMS)
3.7
2.4
1.1
dB
G
v(f)
gain variation with frequency
referenced to 1 kHz
f = 300 to 3400 Hz
±0.25
dB
G
v(T)
gain variation with temperature
referenced to 25
°C
Tamb = 25 to +75 °C
±0.25
dB
VRAUX(rms)(max)
maximum input voltage on RAUX
(RMS value)
THD=2%
0.95
V
Vno(RECO)(rms)
noise output voltage at pin
RECO; pin RAUX shorted to
GND through 200
in series
with 10
F (RMS value)
psophometrically
weighted (p53 curve)
100
dBVp
G
v(mute)
gain reduction if not activated
HFC = LOW;
MUTT = LOW;
MUTR = LOW;
AUXC = LOW
60
80
dB
Auxiliary ampliers using AUXO; see note 1
TX AUXILIARY AMPLIFIER USING MIC+ AND MIC
(PINS MIC+, MIC AND AUXO)
Gv(MIC-AUXO)
voltage gain from pin MIC+/MIC
to AUXO
VMIC = 10 mV (RMS)
24.2
25.5
26.8
dB
G
v(f)
gain variation with frequency
referenced to 1 kHz
f = 300 to 3400 Hz
±0.1
dB
G
v(T)
gain variation with temperature
referenced to 25
°C
Tamb = 25 to +75 °C
±0.3
dB
VMIC(rms)
maximum input voltage on
MIC+/MIC
(RMS value)
THD=2%
16
mV
Vno(AUXO)(rms)
noise output voltage at pin
AUXO; pins MIC+/MIC
shorted
to GNDTX through 200
in
series with 10
F (RMS value)
psophometrically
weighted (p53 curve)
91
dBVp
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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