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LE58QL022BVC bảng dữ liệu(PDF) 59 Page - Zarlink Semiconductor Inc

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Le58QL022
Data Sheet
59
Zarlink Semiconductor Inc.
APPLICATION CIRCUIT
Figure 22.
Le7920 SLIC/QLSLAC Application Circuit
Note:
A resistive attenuator incorporating ROUT1 and ROUT2 is required before CVTX if DGIN = 1.
LINE CARD PARTS LIST
The following list defines the parts and part values required to meet target specification limits for one channel.
Note:
For all other components, please refer to the Le7920 Data Sheet, PID# 080146.
Item
Quantity
Type
Value
Tol.
Rating
Comments
CBPA
1
Capacitor
0.1 µF
20%
10 V
Bypass capacitor
CBPD
1
Capacitor
0.1 µF
20%
10 V
Bypass capacitor
CFIL
1
Capacitor
0.1 µF
20%
10 V
Bypass capacitor
CVTX
1
Capacitor
0.1 µF
20%
10 V
Coupling
capacitor
RRX
1
Resistor
57.6 k
Ω
1%
0.01 W
CVRX
1
Capacitor
0.15 µF
20%
10 V
RT
1
Resistor
178 k
Ω
1%
0.01 W
RFA
1
Fuse resistor
50
Ω
See Note
RFB
1
Fuse resistor
50
Ω
Optional VTX Attenuator Resistors
ROUT1
1
Resistor
8.25 k
Ω
1%
0.01 W
ROUT2
1
Resistor
15 k
Ω
1%
0.01 W
TEST
OUT
RR
TIP
TIP
RING
SLIC 2
3
DA
DB
AX
HPA
HPB
BX
RYOUT1, RYOUT2
RYOUT3
BGND
VBAT
TMG
VCC
RD
AGND
U1
Le7920
SLIC
VTX
RSN
RDC
C1, C2
D0
D1
DET
CAS
RING
BUS
R
SR4
C
RT
C
TH
R
RTH2
R
R1
TIP
R
SR1
R
FA
C
AD
U3
RR
C
HP
C
BD
Shared Ring Threshold
RING
TO
TI
TEST
IN
K RR
K TI
K TO
+ 5V
SLIC 3
RING
SLIC 4
TIP
RING
R
FB
VBAT
BGND
VBAT
C
BAT
D1
R
TMG
C
DC
R
T
R
D
C
AS
VCCA
VIN1
AGND
CD21, C31
VOUT1
CD11
5
5
5
C
D
C41
C51
C
BPA
C
VRX
VREF
MLCK/E1
PCLK
FS
DXA
DIO
DRA
DCLK
MCLK/E1
PCLK
FS
DXA
DIO
DRA
PCM/MPI
C
VTX
R
RX
R
DC1
R
DC2
2
VCCD
C
FIL
TSCA
TSCA
DCLK
CS
CS
RST
RST
INT
INT
DGND
C
BPD
+3.3 V
+5.0 V
ANALOG
GROUND
DIGITAL
GROUND
U2
Le58QL022
QLSLAC
See Note



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