le9531cmqc Zarlink Semiconductor, le9531cmqc Datasheet - Page 13

• Manufacturer Part Number: le9531cmqc
• Description: Ringing Subscriber Line Interface Circuit
• Manufacturer: Zarlink Semiconductor

Line Characteristics
Unless specified the test condition is specified in Figure 3 - Le9531 Basic Test Circuit.
Typical values are characteristic of the device and are the result of engineering evaluations. Typical values are for
information purposes only and are not a part of the testing requirements. Minimum and maximum values apply
across the operating temperature range and the entire battery range unless otherwise specified. Typical is defined
as T
ringing state (for Le9531C/D). Test Switch is OFF.
Tip or Ring Drive Current
Tip or Ring Drive Current
Signal Current, Active state
Longitudinal Current Capability per Wire
(Longitudinal current is independent of DC loop current.)
Ringing Current (RLOAD = 1386  + 40 F)
DC Loop Current Limit, ILIM, (RLOOP = 100 ):
DC Loop Current Limit Variation
DC Loop Current Limit, Scan Mode (RLOOP = 100 )
DC Feed Resistance (at PT-PR, Active states, non-current limit)
Open Loop Voltages:
Active state:
Ring state:
Loop Closure Threshold (On-hook to Off-hook):
Loop Closure Threshold Hysteresis:
Scan state:
DC + Longitudinal + Signal Currents, Active states
Ringing + Longitudinal, Ring state
Active Low DC Current Limit States
Active High DC Current Limit States
|VBAT| > 51 V, |VTIP – VRING|
|VTIP|, |VRING| to Battery Ground
|VBAT| < 51 V, |VBAT| – |VTIP-VRING|
|VTIP|, |VBAT – VRING|
Active states
Scan state
Accuracy
Active states
Scan state
|VBAT| > 51 V, |VTIP – VRING|
|VTIP|, |VRING| to Battery Ground
A
=25º C, Vcc = 3.3V, VBAT=
1
Parameter
–
60V for scan and disconnect state,
1
Table 1 - Two-Wire Port
1
Zarlink Semiconductor Inc.
Le9531
1
13
1
–
30V for active states,
Min.
5.75
105
8.5
65
10
29
44
15
—
—
—
—
—
41
—
—
—
—
—
—
Typ.
11.2
11.2
7.2
2.2
2.2
2.4
—
—
—
15
—
25
40
45
40
49
—
46
—
—
—
Max.
56.5
56.5
8.5
±8
—
—
15
—
—
—
—
—
—
—
—
—
—
—
—
—
—
–
100V/
Data Sheet
mArms
–
mApk
Unit
145V for
mA
mA
mA
mA
mA
mA
mA
%
%

V