LE58QL021BVC Zarlink, LE58QL021BVC Datasheet - Page 61

• Manufacturer Part Number: LE58QL021BVC
• Description: QUAD, SLAC, PROG CODEC, 3.3V, 20 I/0, PQT44, LEAD FREE
• Manufacturer: Zarlink

APPLICATION CIRCUIT
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, document ID #080146.
RING
BUS
RING
+ 5V
TEST
TEST
TIP
OUT
C
C
C
C
Item
IN
C
R
R
R
R
BPD
VRX
BPA
VTX
RING
RING
RING
FIL
RX
FB
FA
T
TIP
TIP
TIP
TO
K
K
K
R
RR
TI
TO
R1
TI
Shared Ring Threshold
RR
Quantity
R
R
RTH2
VBAT
SR1
R
R
1
1
1
1
1
1
1
1
1
FA
FB
VBAT
C
3
TH
Figure 26. Le7920 SLIC/QLSLAC Device Application Circuit
D1
C
RR
AD
BGND
U3
C
Capacitor
Capacitor
Capacitor
Capacitor
Resistor
Capacitor
Resistor
Fuse resistor
Fuse resistor
C
RT
C
R
BD
BAT
TMG
C
HP
R
SR4
DA
DB
AX
HPA
HPB
BX
RYOUT1, RYOUT2
RYOUT3
TMG
BGND
VBAT
Type
Le7920
SLIC 2
SLIC 3
SLIC 4
SLIC
U1
Zarlink Semiconductor Inc.
C1, C2
AGND
VCC
RSN
RDC
VTX
DET
CAS
RD
D0
D1
57.6 kΩ
0.15 µF
178 kΩ
0.1 µF
0.1 µF
0.1 µF
0.1 µF
Value
50 Ω
50 Ω
R
61
DC1
C
2
AS
R
R
DC2
+5.0 V
T
R
D
C
R
DC
RX
C
5
D
5
5
C
C
VTX
VRX
See Note
20%
20%
20%
20%
20%
Tol.
1%
1%
C
BPA
+3.3 V
C
FIL
VCCA
AGND
VIN1
VOUT1
CD21, C31
C41
CD11
C51
VREF
Rating
0.01 W
0.01 W
10 V
10 V
10 V
10 V
10 V
Le58QL021
DGND
VCCD
QLSLAC
U2
MLCK/E1
PCLK
DCLK
TSCA
Bypass capacitor
Bypass capacitor
Bypass capacitor
Coupling
capacitor
RST
DXA
DRA
DIO
INT
CS
FS
Comments
DIO
MCLK/E1
PCLK
FS
DXA
DRA
TSCA
DCLK
CS
RST
INT
PCM/MPI
C
BPD
DIGITAL
GROUND
ANALOG
GROUND