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參數(shù)資料
| 型號(hào)： | 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)： | 29/40頁 |
| 文件大?。?/td> | 185K |
| 代理商： | TEA1098ATV |
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2000 Mar 21
29
Philips Semiconductors
Preliminary specification
Speech and handsfree IC
TEA1098A
Logarithmic compressor and sensitivity adjustment
V
det(TSEN)
sensitivity detection on
pin TSEN; voltage
change on pin TENV
when doubling the
current from TSEN
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 RENV and
TENV
120
μ
A
I
sink(ENV)
1.25
1
0.75
μ
A
V
ENV
10
μ
A sourced from both
RSEN and TSEN; signal
detectors tracking; note 1
±
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)
120
μ
A
V
NOI
when 5
μ
A is sourced from
both RSEN and TSEN; noise
detectors tracking; note 1
±
3
mV
D
IAL TONE DETECTOR
V
HFRX(th)(rms)
threshold level at pin
HFRX (RMS value)
R
RSEN
= 10 k
;
C
RSEN
= 100 nF
25
mV
TX
LEVEL LIMITER
V
TXI(th)(rms)
threshold level at pin
TXI (RMS value)
R
TSEN
= 10 k
0.75
mV
D
ECISION LOGIC
(
PINS
IDT
AND
SWT)
Signal recognition
V
Strx(th)
threshold voltage
between RENV/RNOI
orbetweenTENV/TNOI
to switch-over from Idle
mode to RX/TX mode
V
HFRX
< V
HFRX(th)
;
V
TXI
< V
TXI(th)
; note 2
13
mV
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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| TEA1098TV | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Speech and handsfree IC |
| TEA1098UH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Speech and handsfree IC |
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