le57d111 Zarlink Semiconductor, le57d111 Datasheet - Page 8

• Manufacturer Part Number: le57d111
• Description: Dual Subscriber Line Interface Circuit
• Manufacturer: Zarlink Semiconductor

Line Characteristics
Power Supply Rejection Ratio at the Two-Wire Interface, Active Normal State
Power Dissipation
Supply Currents
RFI Rejection
(See
Logic Inputs
(Applies to C1
Figure 6, on page
I
I
I
I
VAB, Open Circuit voltage
V
V
On hook, both channels, Standby state
On hook, both channels, Active state
Off hook, both channels, Active state
One channel, Active state
One channel, Standby state
I
On-hook V
I
On-hook V
VTX1 or VTX2
V
V
I
I
L
L
L
L
CC
BAT
IH
IL
CC
BAT
IH
IL
, Short Loops, Active state
, Long Loops, Active state
, Accuracy, Standby state
, Loop current, Disconnect state
, Input Low current
, Input High current
, Input Low voltage
, Input High voltage
,
1
,
, C1
2
CC
BAT
, C2
Description
Description
Description
Description
Description
Description
supply current
13.)
supply current
1
, and C2
2
.)
R
T
R
V
50 Hz to 3.4 kHz
V
50 Hz to 3.4 kHz
V
Both channels, Standby state
Both channels, Active state,
BAT = –48 V
Both channels, Standby state
Both channels, Active state,
BAT = –48 V
f = .01 to 100 MHz
HF gen output = 1.5 Vrms
C
C
A
I L
BAT
RIPPLE
RIPPLE
LDC
L
AXi
AXi
Test Conditions (See Note 1)
Test Conditions (See Note 1)
Test Conditions (See Note 1)
= 25°C
R
R
= 0
=
L
L
Test Conditions (See Note 1)
= C
= C
= –48 V
= 1930 Ω, BAT = –42.75 V,


= 300 Ω, R
= 300 Ω, R
--------------------------------
(
Zarlink Semiconductor Inc.
VBAT 3V
R L
= 100 mV
= 500 mV
BXi
BXi
Test Conditions
Test Conditions
+
= 33 nF
= 2.2 nF
3.2 k
–
TMG
TMG
RMS
PP
)
 T

8
,
= 1600 Ω
= 1600 Ω
A
=
25°C
+38.3
–400
0.7I
26.4
Min
Min
Min
Min
Min
–75
2.0
18
30
28
Min
L
+40.3
Typ
Typ
Typ
Typ
Typ
2.5
9.0
0.5
6.5
1400
30
19
40
50
I
Typ
380
720
L
40
1.3I
Max
33.6
Max
Max
12.0
Max
Max
100
4.0
1.5
8.5
0.8
1700
1050
40
Max
100
540
1
3
L
mVrms
Unit
Unit
Unit
Unit
Unit
mA
mA
µA
dB
µA
Unit
mW
V
V
Note
Note
Note
Note
Note
Note
4
3