LE7920-2DJCT Zarlink, LE7920-2DJCT Datasheet - Page 16

• Manufacturer Part Number: LE7920-2DJCT
• Description: SLIC 1-CH 63dB 120mA 5V/-24V/-28V 32-Pin PLCC T/R
• Manufacturer: Zarlink

Specifications of LE7920-2DJCT

• Package: 32PLCC
• Number Of Channels Per Chip: 1
• Longitudinal Balanced: 63(Min) dB
• Loop Current: 120 mA
• Minimum Operating Supply Voltage: 4.75|-19 V
• Typical Operating Supply Voltage: 5|-24|-28 V
• Typical Supply Current: 6.3 mA

TEST CIRCUITS (continued)
B(RING)
A(TIP)
BAT
2.2 nF
2.2 nF
D
1
C
HP
R
TMG
G. Le7920 Test Circuit
DB
DA
A(TIP)
HPA
HPB
B(RING)
RINGOUT
RYOUT1
RYOUT3
RYOUT3
BGND
VBREF
VBAT
TMG
Zarlink Semiconductor Inc.
16
AGND/
DGND
RDC
VCC
RSN
CAS
DET
VTX
RD
D3
D2
D1
C2
C1
R
DC1
R
C
D
CAS
+5 V
R
R
C
T
DC2
DC
C
D
R
RX
V
V
TX
RX
BATTERY
GROUND
GROUND
GROUND
ANALOG
DIGITAL