參數(shù)資料
型號(hào)： 935260128518
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： SPEAKER PHONE CIRCUIT, PDSO24
封裝： PLASTIC, SOT-340, SSOP-24
文件頁數(shù)： 8/31頁
文件大?。?/td> 259K
代理商： 935260128518
1997 Nov 25
16
Philips Semiconductors
Product specication
Voice switched speakerphone IC
TEA1095
Notes
1. Corresponds to
±1 dB tracking.
2. Corresponds to 4.3 dB noise/speech recognition level.
Decision logic (IDT and SWT)
SIGNAL RECOGNITION
VSrx(th)
threshold voltage between
pins RENV and RNOI to
switch-over from receive to idle
mode
VRXIN < VRINDT; note 2
13
mV
VStx(th)
threshold voltage between
pins TENV and TNOI to
switch-over from transmit to idle
mode
note 2
13
mV
SWITCH-OVER
Isource(SWT)
current sourced from pin SWT
when switching to receive mode
7.5
10
12.5
A
Isink(SWT)
current sunk by pin SWT when
switching to transmit mode
7.5
10
12.5
A
Iidle(SWT)
current sourced from pin SWT in
idle mode
0
A
Voice switch (STAB and SWR)
SWRA
switching range
40
dB
SWRA
switching range adjustment
with RSWR referenced to
RSWR = 365 k
40
+12
dB
G
v
voltage gain variation from
transmit mode to idle mode on
both channels
20
dB
Gtr
gain tracking (Gvtx +Gvrx) during
switching, referenced to idle mode
±0.5
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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