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參數(shù)資料
| 型號： | TEA1098ATV |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Speech and handsfree IC |
| 中文描述： | TELEPHONE SPEECH CKT, PDSO40 |
| 封裝： | PLASTIC, VSOP-40 |
| 文件頁數(shù)： | 23/40頁 |
| 文件大?。?/td> | 185K |
| 代理商： | TEA1098ATV |
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2000 Mar 21
23
Philips Semiconductors
Preliminary specification
Speech and handsfree IC
TEA1098A
I
DD(O)
current available for
peripherals
V
DD
= 3.3 V
3
mA
S
UPPLY FOR MICROPHONE
(
PIN
MICS)
V
MICS
supply voltage for a
microphone
2.0
V
P
OWER
-
DOWN INPUT
(
PIN
PD)
V
IL
I
i(PD)(l)
LOW-level input voltage
input current at low
voltage
HIGH-level input
voltage
current consumption on
V
BB
during power-down
phase
0.4
3
0.3
6
V
μ
A
V
IH
1.4
V
BB
+ 0.3
V
I
BB(PD)
PD = LOW
460
μ
A
Preamplifier inputs (pins MIC+, MIC
, IR, DTMF, TXI, HFTX and HFRX)
Z
i(MIC)
input impedance
differential between
pins MIC+ and MIC
single-ended
between pins
MIC+/MIC
and
GNDTX
Z
i(IR)
input impedance
between pins IR and
LN
Z
i(DTMF)
input impedance
between pins DTMF
and GND
Z
i(TXI)
input impedance
between pins TXI and
GNDTX
Z
i(HFTX)
input impedance
between pins HFTX
and GND
Z
i(HFRX)
input impedance
between pins HFRX
and GND
70
k
35
k
20
k
20
k
20
k
20
k
20
k
TX amplifiers
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
frequencyreferencedto
1 kHz
V
MIC
= 5 mV (RMS)
43.3
44.3
45.3
dB
f = 300 to 3400 Hz
±
0.25
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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| TEA1098UH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Speech and handsfree IC |
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