le79489 Zarlink Semiconductor, le79489 Datasheet - Page 8

• Manufacturer Part Number: le79489
• Description: Subscriber Line Interface Circuit
• Manufacturer: Zarlink Semiconductor

ELECTRICAL CHARACTERISTICS (CONTINUED)
RFI Rejection
RFI rejection
Logic Inputs (C4–C1, E1, BSWEN, OVH [–5, –6 only])
V
V
I
OVH, E1
I
I
I
Logic Output (DET, BSWOUT)
V
V
Ring-Trip Comparator Input (DA, DB)
Bias current
Offset voltage
Loop Detector
I
Loop-detect threshold hysteresis
IGK, GND key-detector threshold
Relay Driver Output (RINGOUT/TESTOUT)
On voltage
Off leakage
Zener breakover
Zener On voltage
IH
IH
IL
IL
T
IH
IL
OL
OH
, Loop-detect threshold tolerance
C3
C1, C2, C4, BSWEN, OVH, E1
, Input Low current, except C1
, Input Low current, C1
, Input High current C4–C1,
, Input High current, BSWEN
, Input Low voltage
, Input High voltage
, Output Low voltage
, Output High voltage
Description
100 kHz to 30 MHz
(See Figure E)
I
I
Source resistance = 2 MΩ
Active state, Off-hook to On-hook
On-hook to Off-hook
Standby state, Off-hook to On-hook
On-hook to Off-hook
Active state
Standby state
R
Active, Standby, and Tip Open states
I
V
I
I
OUT
OUT
OL
Z
Z
L
OH
= 100 µA
= 40 mA
from BX to GND
R
R
R
R
= 40 mA
D
D
D
D
= +5 V
= 0.3 mA
= –0.05 mA
= 35.4 kΩ, I
= 35.4 kΩ, I
= 35.4 kΩ, I
= 35.4 kΩ, I
Test Conditions (See Note 1)
Zarlink Semiconductor Inc.
T
T
T
T
= 368/R
= 414/R
= 425/R
= 471/R
8
D
D
D
D
Min
–400
–600
–500
–75
–75
–50
–15
–20
–15
–20
2.5
2.0
2.4
5
6
Typ
–300
+0.3
–50
1.3
7.5
7.9
0
9
Max
1200
+0.7
0.40
+50
+15
+20
+15
+20
100
0.7
0.8
40
13
10
mVrms
Unit
mV
mA
µA
µA
nA
%
V
V
V
V
Note
4
5
4