參數(shù)資料
型號: UBA2051T
廠商: NXP SEMICONDUCTORS
元件分類: 無繩電話/電話
英文描述: One-chip telephone ICs with speech, dialler and ringer functions
中文描述: TELEPHONE MULTIFUNCTION CKT, PDSO28
封裝: PLASTIC, SOT-136, SO-28
文件頁數(shù): 41/52頁
文件大?。?/td> 292K
代理商: UBA2051T
2000 May 19
41
Philips Semiconductors
Product specification
One-chip telephone ICs with speech,
dialler and ringer functions
UBA2050(A); UBA2051(A;C)
handbook, full pagewidth
VCC
VDD
LN
CE/CSI
C2 C3 R2 R3
R4
VLN
IR
UBA205xx
RCC
619
IDD
X1
3.58 MHz
ICC
Iline
MDY/TONE
DP/FL
MIC
MIC
+
DTMF
QR
GAR
CE/FDI
RX
CREG
4.7
μ
F
RSLPE
20
RDTMF1
20 k
CDTMF
100 nF
RDTMF2
2.74 k
REG
AGC SLPE
GND
C1
CVDD
220
μ
FCVCC
100
μ
F
S1
VI
R1
XTAL
FCA136
VQR
CGAR
CGARS
RE1
100 k
RL1
RL2
10 k
100 nF
100
μ
F
220
nF
Zline
Iline
600
RGAR
Cear
Fig.33 Test circuit for defining receive gains and DTMF dialling levels.
Voltage gain defined as G
v
= 20 log
; V
O
= V
QR
or V
RX
.
Receive and earpiece gains: S1 = open.
Inputs not being tested should be open-circuit.
Only pins common to UBA205xx are represented. Pin R4 must be open-circuit.
V
O
V
I
-------
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