le5712 Zarlink Semiconductor, le5712 Datasheet - Page 9
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le5712
Manufacturer Part Number
le5712
Description
Dual Subscriber Line Interface Circuit
Manufacturer
Zarlink Semiconductor
Datasheet
1.LE5712.pdf
(24 pages)
ELECTRICAL CHARACTERISTICS
Summary of Test Conditions
Unless otherwise noted, the test conditions are defined by the Le5712 device test circuit shown in
VCC=5 V, BAT = -52 V, R
Supply Currents and Power Dissipation (on-hook)
SPECIFICATIONS
Device specifications
Disconnect
Standby
Tip Open
Active
Reverse Polarity
Active Metering
Reverse Polarity
Metering
One channel Standby
One channel Active
Line Characteristics
VAB, Open Circuit
I
I
I
I
I
I
I
I
I
V
V
K1, Incremental RSN current gain
Power Supply Rejection Ratio at the Two-Wire Interface (Active states, On or Off Hook)
V
V
RI
L
LIMIT
L
L
L
L
L
AD
BD
AD
IREF
CC
BAT
, Long Loops, Active state
, Long Loops, Active state
, Long Loops, Active state
, Accuracy, Standby state
LIM, AD and BD to BGND
, Loop current, Disconnect state
Operational State
AS
leakage, Tip Open state
current, Tip Open state
Active and Standby states
, Effective internal resistance
, Short Loops, Active state
, IREF pin output voltage
Specification
L
= R
LAC
= 600 Ω, R
Min.
I
CC
mA (Note 1.)
Typ
3.2
3.2
3.1
9.0
9.0
9.3
9.3
6.1
Active
Standby
Metering states
R
R
R
R
Current Limited Region
Active, I
R
R
BD to BGND
AD to BAT=7 kΩ, BD to GND=100Ω
50 Hz to 3.4 kHz
V
V
300 Hz to 3.4 kHz
50 Hz to 60 Hz
CAS pin to AGND
REF
RIPPLE
RIPPLE
LDC
LDC
LDC
LDC
L
L
I
L
= 0 Ω
= 0 Ω
=
= 14.3 kΩ, R
= 2000 Ω, BAT = -48 V
= 100 Ω to 1100 Ω
= 2125 Ω
= 2125 Ω, BAT = -46.5 V
Zarlink Semiconductor Inc.
----------------------------- -
(
AD
BAT 4V
R
= 100 mVrms
= 100 mVrms
Max
5.5
6.5
6.5
13
13
10
13
13
L
+ I
+
Condition
BD
600
–
)
D
9
Min.
,
= 82.5 kΩ.
R
I
VBAT
LDC
mA (Note 1.)
≥
Typ
0.5
0.6
0.6
6.0
6.0
6.0
6.0
3.3
2000Ω
Max
10.0
10.0
10.0
10.0
0.8
1.0
1.0
5.5
42.75
46.75
0.9I
Min.
-7.5
490
1.2
38
20
30
20
18
20
20
30
28
20
90
L
Min.
SLIC Device Power mW
45.7
41.5
20.5
21.1
18.5
1.25
Typ
500
150
33
30
85
30
40
50
-5
I
L
Figure 7, on page 17
Typ
353
353
355
355
200
42
46
46
1.1I
Max
42.5
120
100
100
510
210
1.3
48
52
36
45
45
L
Max
540
540
540
540
305
62
70
70
Unit
A/A
mA
mA
mA
mA
mA
mA
mA
kΩ
µA
µA
dB
V
V
V
Note
with:
2
Note
3
4
2