PBL 3764A/4, /6
Ref
fig
Parameter
Conditions
Min
Typ
Max
Unit
Battery feed characteristics
Constant loop current, IL
2500
0.92 IL
IL
1.08 IL
mA
IL =
IL =
, RDC1, RDC2 ın kΩ
TA = 25°C
RDC1 + RDC2
Stand-by state loop current, IL,
tolerance range
VBat - 3
0.8 IL
IL
1.2 IL
mA
RL + 1800
Loop current detector
Loop current detector threshold
on-hook to off-hook, ILThOff
RD = 33 kΩ
0°C ≤ TAmb ≤ 70° C
-40°C ≤ TAmb ≤ 85°C
12.2
11.3
465/RD
465/RD
15.7
16.9
mA
mA
Loop current detector threshold
off-hook to on-hook, ILThOn
RD = 33kΩ
0°C ≤ TAmb ≤ 70°C
-40°C ≤ TAmb ≤ 85°C
10.7
9.8
405/RD
405/RD
13.8
14.7
mA
mA
Loop current detector
RD=33kΩ
hysteresis, ∂ILTh
0°C ≤ TAmb ≤ 70°C
-40°C ≤ TAmb ≤ 85°C
1.0
0.7
60/RD
60/RD
2.7
2.9
mA
mA
Ground key detector
I
LTIPX and IRINGX current difference, ∆ILOn
,
0°C ≤ TAmb ≤ 70°C
-40°C ≤ TAmb ≤ 85°C
9
6.5
12
12
16
17.5
mA
mA
to trigger the ground key detector
ILTIPX and ILRINGX current difference, ∆ILOff
to return the triggered ground key
detector to idle state
,
0°C ≤ TAmb ≤ 70°C
-40°C ≤ TAmb ≤ 85°C
4
2.5
7
7
11
12
mA
mA
Hysteresis, ∂ILGK
|∆ILOn - ∆ILOff|
0°C ≤ TAmb ≤ 70°C
-40°C ≤ TAmb ≤ 85°C
3
0
5
5
8
9
mA
mA
Ring trip detector
Offset voltage, ∆VDTR
Input bias current, IB
Input resistance
Source resistance, RS = 0 Ω
-20
20
mV
nA
IB = (IDT + IDR)/2
-500
-100
unbalanced
1
MΩ
MΩ
V
balanced
3
Input common mode range, VDT, VDR
VBat+1
-2
Ring relay driver
Saturation voltage, VOL
Off state leakage current, ILk
IOL = 25 mA
VOH = 12 V
0.2
0.6
10
V
µA
Digital inputs (C1, C2, E0, E1)
Input low voltage, VIL
Input high voltage, VIH
Input low current, IIL
C1, C2
0
0.8
VCC
V
V
2.0
VIL = 0.4 V
VIH = 2.4 V
-400
-100
µA
µA
µA
E0, E1
Input high current, IIH
40
Detector output (DET)
Output low voltage, VOL
Output high voltage,VOH
Internal pull-up resistor
Delay time E0 to DET
transition high to low, tDHL
transition low to high, tDLH
IOL = 2 mA
IOH = 100 µA
0.45
25
V
V
kΩ
2.7
8
15
7
7
1
2
µs
µs
6
ERICSSON [ ERICSSON ]
