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參數(shù)資料
| 型號： | TEA1099H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Speech and handsfree 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, QFP-44 |
| 文件頁數(shù)： | 30/40頁 |
| 文件大?。?/td> | 185K |
| 代理商： | TEA1099H |
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1999 Apr 08
30
Philips Semiconductors
Product specification
Speech and handsfree IC with auxiliary
inputs/outputs and analog multiplexer
TEA1099H
TX
AND
RX
ENVELOPE AND NOISE DETECTORS
(
PINS
TSEN, TENV, TNOI, RSEN, RENV
AND
RNOI)
Preamplifiers
G
v(TSEN)
voltage gain from pin TXIN to
TSEN
voltage gain from pin HFRX to
RSEN
40
dB
G
v(RSEN)
0
dB
Logarithmic compressor and sensitivity adjustment
V
det(TSEN)
sensitivity detection on pin TSEN;
voltage change on pin TENV
when doubling the current from
TSEN
V
det(RSEN)
sensitivity detection on pin RSEN;
voltage change on pin RENV
when doubling the current from
RSEN
I
TSEN
= 0.8 to 160
μ
A
18
mV
I
RSEN
= 0.8 to 160
μ
A
18
mV
Signal envelope detectors
I
source(ENV)
maximum current sourced from
pin TENV or RENV
maximum current sunk by pin
TENV or RENV
voltage difference between pins
RENV and TENV
120
μ
A
I
sink(ENV)
1.25
1
0.75
μ
A
V
ENV
when 10
μ
A is sourced
from both RSEN and
TSEN; signal detectors
tracking; note 2
±
3
mV
Noise envelope detectors
I
source(NOI)
maximum current sourced from
pin TNOI or RNOI
maximum current sunk by pin
TNOI or RNOI
voltage difference between pins
RNOI and TNOI
0.75
1
1.25
μ
A
I
sink(NOI)
dial tone detector or TX
level limiter not activated
when 5
μ
A is sourced
from both RSEN and
TSEN; noise detectors
tracking; note 2
120
μ
A
V
NOI
±
3
mV
D
IAL TONE DETECTOR
V
HFRX(th)(rms)
threshold level at pin HFRX
(RMS value)
R
RSEN
= 10 k
25
mV
TX
LEVEL LIMITER
V
TXIN(th)(rms)
threshold level at pin TXIN
(RMS value)
R
TSEN
= 10 k
0.75
mV
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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