參數(shù)資料
型號: 935260690112
廠商: NXP SEMICONDUCTORS
元件分類: 無繩電話/電話
英文描述: TELEPHONE MULTIFUNCTION CKT, PDSO28
封裝: PLASTIC, SOT-136, SO-28
文件頁數(shù): 38/56頁
文件大小: 360K
代理商: 935260690112
2000 May 19
43
Philips Semiconductors
Product specication
One-chip telephone ICs with speech,
dialler and ringer functions
UBA2050(A); UBA2051(A;C)
handbook, full pagewidth
MGT053
+
H2
keytone
20 k
100 nF
2.74 k
100 k
12 k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
220
F
(16 V)
TR4
BC547
TR5
BC557
TR6
BC547
D2
BAS11
D3
BAS11
D4
BAS11
D5
BAS11
22
F
(35 V)
Z1
Z2
BC558
TR2
3.9
Rprot
BZX79C
(8.2 V)
BZD23C
(10 V)
or
BZV85C
(10 V)
R2
R1
Rtrickle
Rring
470 k
R3
470 k
100 k
130 k
3.92 k
130
392
820
RSLPE
20
620
470 k
15 M
2.2 k
(2 W)
TR3
BF420
C
S1-2
S1-1
Cvrr
470 k
RCSI
BR211
(220 V)
CVDD
4.7
F
(25 V)
CREG
1
F
Cring
R5
R6
470 k
RFDI
Rvol
Rdtmf2
220 k
R4
Rdtmf1
100 k
Rmdy
Cdtmf
Z5
BZX79C
(16 V)
Z4
BZX79C
(18 V)
D6
BAS45
H1
ringer
+
Rast2
Rast1
Cir
100 nF
RCC
LN
SLPE
REG
IR
AGC
DTMF
VDD
XTAL
DP/FL
DMO
CE/CSI
CE/FDI
MDY/TONE
KT
IC1
Rbal1
Rast3
Rbal2
TR1
BSP254A
Cbal
220 nF
C
A
D1
A/B
B/A
3.58 MHz
X1
Fig.35 Application of the UBA2050 (continued in Fig.36).
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