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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)： | 31/40頁 |
| 文件大?。?/td> | 185K |
| 代理商： | TEA1099H |
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1999 Apr 08
31
Philips Semiconductors
Product specification
Speech and handsfree IC with auxiliary
inputs/outputs and analog multiplexer
TEA1099H
Notes
1.
2.
3.
When the channel is enabled according to Table 2.
Corresponds to
±
1 dB tracking.
Corresponds to 4.3 dB noise/speech recognition level.
D
ECISION LOGIC
(
PINS
IDT
AND
SWT)
Signal recognition
V
Srx(th)
threshold voltage between pins
RENV and RNOI to switch-over
from receive to Idle mode
threshold voltage between pins
TENV and TNOI to switch-over
from transmit to Idle mode
V
HFRX
< V
HFRX(th)
; note 3
13
mV
V
Stx(th)
V
TXIN
< V
TXIN(th)
; note 3
13
mV
Switch-over
I
source(SWT)
current sourced from pin SWT
when switching to receive mode
current sunk by pin SWT when
switching to transmit mode
current sourced from pin SWT in
Idle mode
7.5
10.0
12.5
μ
A
I
sink(SWT)
12.5
10.0
7.5
μ
A
I
idle(SWT)
0
μ
A
V
OICE SWITCH
(
PINS
STAB
AND
SWR)
SWRA
SWRA
switching range
switching range adjustment
40
40
+12
dB
dB
with R
SWR
referenced to
365 k
|
G
v
|
voltage gain variation from
transmit or receive mode to Idle
mode
gain tracking (G
vtx
+ G
vrx
) during
switching, referenced to Idle
mode
20
dB
G
trx
0.5
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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