PBL 386 21/2
Parameter
Ref
fig
Conditions
Min
Typ
Max
Unit
Loop current detector
Programmable threshold, I
LTh
500
R
LD
R
LD
in kΩ, I
LTh
≥
7 mA
I
LTh
=
0.85•I
LTh
I
LTh
1.15•I
LTh
mA
Ground key detector
Ground key detector threshold
(I
TIPX
and I
RINGX
difference to trigger ground key det.)
10
Ring trip comparator
Offset voltage,
∆V
DTDR
Source resistance, R
S
= 0
Ω
-20
Input bias current, I
B
I
B
= (I
DT
+ I
DR
)/2
-200
Input common mode range, V
DT
, V
DR
V
Bat
+1
Ring relay driver
Saturation voltage, V
OL
I
OL
= 50 mA
Off state leakage current, I
Lk
V
OH
= 12 V
Digital inputs
(C1, C2, C3)
Input low voltage, V
IL
0
Input high voltage, V
IH
2.5
Input low current, I
IL
V
IL
= 0.5
Input high current, I
IH
V
IH
= 2.5 V
Detector output
(DET)
Output low voltage
I
OL
= 0.5 mA
Internal pull-up resistor
Power dissipation
(V
Bat
= -48V, V
Bat2
= -17V)
P
1
Open circuit state, C1, C2, C3 = 0, 0, 0
P
2
P
3
P
4
Power supply currents
(V
Bat
= -48V)
V
CC
current, I
CC
V
Bat
current, I
Bat
V
CC
current, I
CC
V
Bat
current, I
Bat
Power supply rejection ratios
V
CC
to 2- or 4-wire port
V
Bat
to 2- or 4-wire port
V
Bat2
to 2- or 4-wire port
Temperature guard
Junction threshold temperature, T
JG
Thermal resistance
28-pin PLCC,
θ
JP28plcc
24-pin SOIC,
θ
JP24soic
24-pin SSOP,
θ
JP24ssop
16
0
-20
22
20
200
-1
0.5
10
0.5
V
CC
-50
50
0.7
mA
mV
nA
V
V
µA
V
V
µA
µA
V
kΩ
mW
mW
mW
mW
mA
mA
mA
mA
dB
dB
dB
°C
°C/W
°C/W
°C/W
0.2
15
10
15
80
Active state, C1, C2, C3 = 0, 1, 0
Longitudinal current = 0 mA, I
L
=0 mA (on-hook) 60
R
L
= 300
Ω
(off-hook)
290
R
L
= 500
Ω
(off-hook)
145
Open circuit state
-0.1
Active state
On-hook, Long Current = 0 mA
Active State
f = 1 kHz, V
n
= 100mV
-1.5
30
36
40
1.2
-0.05
2.8
-1.0
42
45
60
145
39
43
55
2.0
4.0
6
ERICSSON [ ERICSSON ]
