參數(shù)資料
型號: 935260607112
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): 35/56頁
文件大?。?/td> 360K
代理商: 935260607112
2000 May 19
40
Philips Semiconductors
Product specication
One-chip telephone ICs with speech,
dialler and ringer functions
UBA2050(A); UBA2051(A;C)
TEST AND APPLICATION INFORMATION
handbook, full pagewidth
VCC
VDD
LN
CE/CSI
C2 C3 R2 R3
R4
VLN
IR
100
F
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
F
RSLPE
20
REG
AGC SLPE
GND
C1
CVDD
220
F
CVCC
100
F
CGAR
RGAR
CGARS
Cear
RE1
100 k
RL1
Zline
Iline
S1
VDTMF
VO
R1
XTAL
FCA135
RL2
10 k
100 nF
600
VMIC
Fig.32 Test circuit for defining transmit gains.
Voltage gain defined as Gv = 20 log
; VI =VMIC or VDTMF.
Microphone gain: S1 = open.
DTMF gain and confidence tone: S1 = closed.
Inputs not being tested should be open-circuit.
Only pins common to UBA205xx are represented. Pin 4 must be open-circuit.
V
O
V
I
-------
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