Le79489
Data Sheet
ELECTRICAL CHARACTERISTICS (CONTINUED)
Description
RFI Rejection
RFI rejection
Test Conditions (See Note 1)
Min
Typ
Max
Unit
Note
100 kHz to 30 MHz
(See Figure E)
0.7
mVrms
4
Logic Inputs (C4–C1, E1, BSWEN, OVH [–5, –6 only])
VIH, Input High voltage
C3
C1, C2, C4, BSWEN, OVH, E1
2.5
2.0
V
VIL, Input Low voltage
IIH, Input High current C4–C1,
OVH, E1
0.8
40
–75
IIH, Input High current, BSWEN
IIL, Input Low current, except C1
IIL, Input Low current, C1
–75
–400
–600
1200
0.40
+50
µA
–300
Logic Output (DET, BSWOUT)
VOL, Output Low voltage
OH, Output High voltage
IOUT = 0.3 mA
IOUT = –0.05 mA
V
V
2.4
Ring-Trip Comparator Input (DA, DB)
Bias current
Offset voltage
–500
–50
–50
0
nA
mV
Source resistance = 2 MΩ
5
Loop Detector
IT, Loop-detect threshold tolerance
Active state, Off-hook to On-hook
R
D = 35.4 kΩ, IT = 368/RD
–15
–20
–15
–20
+15
+20
+15
+20
On-hook to Off-hook
RD = 35.4 kΩ, IT = 414/RD
Standby state, Off-hook to On-hook
%
RD = 35.4 kΩ, IT = 425/RD
On-hook to Off-hook
RD = 35.4 kΩ, IT = 471/RD
Active state
Standby state
RL from BX to GND
Active, Standby, and Tip Open states
Loop-detect threshold hysteresis
IGK, GND key-detector threshold
1.3
9
4
mA
5
6
13
Relay Driver Output (RINGOUT/TESTOUT)
On voltage
Off leakage
Zener breakover
Zener On voltage
IOL = 40 mA
+0.3
+0.7
100
V
µA
VOH = +5 V
IZ = 100 µA
IZ = 40 mA
7.5
7.9
V
10
8
Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
