參數(shù)資料
型號： 935264471557
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： TELEPHONE SPEECH CKT, PQFP44
封裝： PLASTIC, SOT-307, QFP-44
文件頁數(shù)： 35/39頁
文件大?。?/td> 205K
代理商： 935264471557
1999 Apr 08
5
Philips Semiconductors
Product specication
Speech and loudspeaker amplier IC with
auxiliary inputs/outputs and analog multiplexer
TEA1097
PINNING
SYMBOL
PIN
DESCRIPTION
VSO40
QFP44
MUTT
1
39
logic input (active LOW)
MUTR
2
40
logic input (active LOW)
AUXC
3
41
logic input
RAUX
4
42
auxiliary receive amplier input
TXAUX
5
43
auxiliary transmit amplier input
AUXO
6
44
auxiliary amplier output
HFRX
7
1
receive input for loudspeaker amplier
n.c.
8 to 10,
15 and 26
2 to 7, 22,
24 and 25
not connected
DLC
11
8
dynamic limiter capacitor for the loudspeaker amplier
ESI
12
9
external supply input
VBB
13
10
stabilized supply for internal circuitry
GALS
14
11
loudspeaker amplier gain adjustment
LSAO
16
12
loudspeaker amplier output
GND
17
13
ground reference
SLPE
18
14
line current sense
LN
19
15
positive line terminal
REG
20
16
line voltage regulator decoupling
IR
21
17
receive amplier input
AGC
22
18
automatic gain control/line loss compensation
VDD
23
19
3.35 V regulated voltage supply for microcontroller
MICS
24
20
microphone supply output
STAB
25
21
reference current adjustment
VOL
27
23
loudspeaker volume adjustment
TXOUT
28
26
base microphone amplier output
GATX
29
27
base microphone amplier gain adjustment
TXIN
30
28
base microphone amplier input
GNDTX
31
29
ground reference for microphone ampliers
MIC
32
30
negative handset microphone amplier input
MIC+
33
31
positive handset microphone amplier input
DTMF
34
32
dual tone multi-frequency input
QR
35
33
earpiece amplier output
GARX
36
34
earpiece amplier gain adjustment
RECO
37
35
receive amplier output
HFTX
38
36
transmit input for auxiliary receive amplier
HFC
39
37
logic input
PD
40
38
power-down input (active LOW)
相關(guān)PDF資料
PDF描述
935264477112 TELEPHONE SPEECH CKT, PDSO40
935264477118 TELEPHONE SPEECH CKT, PDSO40
08-350000-11-RC SOCKET ADAPTR SOIC/8PIN .300 DIP
08-3518-00 PRAEZISIONSSOCKEL S518 8POL
08-350000-10 ADAPTER SOIC/DIL 8POL
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