LE7920-2DJCT Zarlink, LE7920-2DJCT Datasheet - Page 12

• 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

DC FEED CHARACTERISTICS
Notes:
1.
2.
3.
V
V
V
AB
AB
AB
=
=
=
I
0.857
0.857
L
R
(volts)
L
VAB
'
(
(
=
V
V
1250
----------- -
R
BAT
BAT
DC
60
+
+
R
0
R
BAT = –48 V
3.3
1.2
L
'
DC
,
)
)
–
–
= R
where
I
I
L
L
DC1
R
---------- -
R
---------- -
300
300
DC
DC
R
+ R
3
L
'
DC2
=
R
L
= 54.34 kΩ
+
2
Zarlink Semiconductor Inc.
a. Load Line (Typical)
R
F
12
I
L
(mA)
2
1
30