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參數(shù)資料
| 型號： | TEA1097H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Speech and loudspeaker amplifier IC with auxiliary inputs/outputs and analog multiplexer |
| 中文描述： | TELEPHONE SPEECH CKT, PQFP44 |
| 封裝： | 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44 |
| 文件頁數(shù)： | 21/36頁 |
| 文件大小： | 167K |
| 代理商： | TEA1097H |
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1999 Apr 08
21
Philips Semiconductors
Product specification
Speech and loudspeaker amplifier IC with
auxiliary inputs/outputs and analog multiplexer
TEA1097
Z
i(HFTX)
input impedance between pins
HFTX and GND
input impedance between pins
HFRX and GND
input impedance between pins
TXAUX and GND
input impedance between pins
RAUX and GND
20
k
Z
i(HFRX)
20
k
Z
i(TXAUX)
20
k
Z
i(RAUX)
20
k
TX amplifiers
; see note 1
TX
HANDSET MICROPHONE AMPLIFIER
(
PINS
MIC+, MIC
AND
LN)
G
v(MIC-LN)
voltage gain from pin MIC+/MIC
to LN
G
v(f)
gain variation with frequency
referenced to 1 kHz
G
v(T)
gain variation with temperature
referenced to 25
°
C
CMRR
common mode rejection ratio
THD
total harmonic distortion at pin
LN
V
MIC
= 5 mV (RMS)
43.3
44.3
45.3
dB
f = 300 to 3400 Hz
±
0.25
dB
T
amb
=
25 to +75
°
C
±
0.25
dB
80
2
10
dB
%
%
V
LN
= 1.4 V (RMS)
I
line
= 4 mA;
V
LN
= 0.12 V (RMS)
psophometrically
weighted (p53 curve)
V
no(LN)
noise output voltage at pin LN;
pins MIC+/MIC
shorted
through 200
gain reduction if not activated
77.5
dBmp
G
v(mute)
HFC = LOW;
MUTT = LOW;
MUTR = LOW;
AUXC = LOW
60
80
dB
DTMF
AMPLIFIER
(
PINS
DTMF, LN
AND
RECO)
G
v(DTMF-LN)
voltage gain from pin DTMF to
LN
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25
°
C
gain reduction if not activated
V
DTMF
= 50 mV (RMS)
24.35
25.35
26.35
dB
G
v(f)
f = 300 to 3400 Hz
±
0.25
dB
G
v(T)
T
amb
=
25 to +75
°
C
±
0.25
dB
G
v(mute)
HFC = LOW;
MUTT = HIGH;
MUTR = HIGH;
AUXC = LOW
V
DTMF
= 50 mV (RMS)
60
80
dB
G
v(DTMF-RECO)
voltage gain from pin DTMF to
RECO
16.5
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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