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參數(shù)資料
| 型號： | 935264477112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | TELEPHONE SPEECH CKT, PDSO40 |
| 封裝： | PLASTIC, SOT-158, VSOP-40 |
| 文件頁數(shù)： | 17/39頁 |
| 文件大小： | 205K |
| 代理商： | 935264477112 |
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1999 Apr 08
24
Philips Semiconductors
Product specication
Speech and loudspeaker amplier IC with
auxiliary inputs/outputs and analog multiplexer
TEA1097
TX AUXILIARY AMPLIFIER USING HFTX (PINS HFTX AND AUXO)
Gv(HFTX-AUXO)
voltage gain from pin HFTX to
AUXO
VHFTX = 100 mV (RMS)
14.2
15.2
16.2
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
±0.1
dB
VAUXO(rms)
maximum output voltage on pin
AUXO (RMS value)
THD = 2%
0.8
0.9
V
Vno(AUXO)(rms)
noise output voltage at pin
AUXO; pin HFTX shorted to
GND through 200
in series
with 10
F (RMS value)
psophometrically
weighted (p53 curve)
91.5
dBVp
G
v(mute)
gain reduction if not activated
HFC = LOW;
MUTT = LOW;
MUTR = HIGH;
AUXC = LOW
60
80
dB
RX AMPLIFIER USING IR (PINS IR AND AUXO)
Gv(IR-AUXO)
voltage gain from pin IR
(referenced to LN) to AUXO
VIR = 3 mV (RMS)
31.6
32.8
34
dB
G
v(f)
gain variation with frequency
referenced to 1 kHz
f = 300 to 3400 Hz
±0.1
dB
Gv(T)
gain variation with temperature
referenced to 25
°C
Tamb = 25 to +75 °C
±0.3
dB
VAUXO(rms)
maximum output voltage on
AUXO (RMS value)
THD = 2%
0.8
0.9
V
Vno(AUXO)(rms)
noise output voltage at pin
AUXO; pin IR is an open-circuit
(RMS value)
psophometrically
weighted (p53 curve)
85
dBVp
Gv(mute)
gain reduction if not activated
HFC = HIGH;
MUTT = LOW;
MUTR = HIGH;
AUXC = HIGH
60
80
dB
Automatic Gain Control (pin AGC)
G
v(trx)
gain control range for transmit
and receive ampliers affected
by the AGC; with respect to
Iline =15mA
Iline = 70 mA; on
Gv(MIC-LN), Gv(IR-RECO)
and Gv(IR-AUXO)
5.45
6.45
7.45
dB
Iline = 70 mA;
Gv(TXAUX-LN)
5.8
6.8
7.8
dB
Istart
highest line current for
maximum gain
23
mA
Istop
lowest line current for maximum
gain
57
mA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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