參數(shù)資料
型號: LE79555-4VC
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁數(shù): 16/16頁
文件大?。?/td> 411K
代理商: LE79555-4VC
16
Le79555 Data Sheet
TEST CIRCUITS (continued)
F. Am79555 Test Circuit
VCC
R
D
RD
VTX
AGND
RSN
R
RX
R
DC2
R
DC1
C
DC
R
T
RDC
C2
C1
+5 V
DET
BGND
RINGOUT
HPB
B(RING)
C
HP
HPA
DB
DA
A(TIP)
B(RING)
CAS
C
CAS
2.2 nF
2.2 nF
V
TX
V
RX
A(TIP)
RYOUT1
RYOUT2
C3
D1
VBREF
BATTERY
GROUND
ANALOG
GROUND
D2
VDC
QBAT
VBAT
VBAT2
0.33
μ
F
C
CH2
C
FIL
0.47
μ
F
560 pF
BAT
BAT2
C
CH1
15 nF
R
CH
1.3 k
CHS
VREG
L 1 mHz
BATSW
Note:
Switching regulator components can also be:
L = 5 mH C
FIL
= 0.094
μ
F C
CH1
= 0.047
μ
F C
CH2
= 1500 pF R
CH
= 910
CHCLK
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