Preliminary
PBL 386 65/2
Ref
fig
Parameter
Conditions
Min
Typ
Max
Unit
Loop current detector
Programmable threshold, IDET
500
RLD
500
RLD
0.9•ILTh
0.9•ILTh
ILTh
ILTh
1.1•ILTh
1.1•ILTh
mA
mA
ILTh
ILTh
=
=
Progammable threshold in
Tip Open state, IDET
Ground key detector
Ground key detector threshold
(ILTIPX and ILRINGX current differance to trigger ground key det.)
11
15
f
19
mA
Hz
Line voltage measurement
106
|V|TR+1
Frequency
f =
Ring trip comparator
Offset voltage, ∆VDTDR
Input bias current, IB
Input common mode range, VDT, VDR
Source resistance, RS = 0 Ω
IB = (IDT + IDR)/2
-20
-50
VBat+1
0
-20
20
200
-1
mV
nA
V
Ring relay driver
Saturation voltage, VOL
Off state leakage current, ILk
IOL = 50 mA
VOH = 12 V
0.5
100
V
µA
Digital inputs (C1, C2, C3)
Input low voltage, VIL
Input high voltage, VIH
Input low current, IIL
0
2.5
0.5
V
V
µA
µA
VCC
-200
200
VIL = 0.5
VIH = 2.5 V
Input high current, IIH
Detector output (DET)
Output low current, IOL
Internal pull-up resistor
VOL < 0.6V
0.5
1
mA
10
kΩ
Power dissipation (VBat = -48V; VBat2 = -32V)
P1
Open circuit state
Active state ILo = 0 mA, IL = 0 mA
Active state ILo = 0 mA, IL = 0 mA
14
39
44
mW
mW
mW
P2 @ VEE=-5V
P3 @ VEE=-48V
P4 @ VEE=-5V
Active state RL = 300Ω (off-hook)
Active state RL = 800Ω (off-hook)
710
340
mW
mW
P5 @ VEE=-5V
Power supply currents (VBat = -48V)
VCC current, ICC
VEE current, IEE
VBat current, IBat
VCC current, ICC
VEE current, IEE
VBat current, IBat
Open circuit state
Open circuit state
Open circuit state
Active state ILo= 0 mA, IL = 0 mA
Active state ILo= 0 mA, IL = 0 mA
Active state ILo= 0 mA, IL = 0 mA
0.8
mA
mA
mA
mA
mA
mA
-0.15
-0.2
2.0
-0.15
-0.7
Power supply rejection ratios
VCC to 2- or 4-wire port
Active state, f = 1 kHz, Vn = 100mV
Active state, f = 1 kHz, Vn = 100mV
Active state, f = 1 kHz, Vn = 100mV
Active state, f = 1 kHz, Vn = 100mV
28.5
28.5
28.5
28.5
35
55
40
60
dB
dB
dB
dB
VEE to 2- or 4-wire port
VBat to 2- or 4-wire port
VBat2 to 2- or 4-wire port
Temperature guard
Junction threshold temperature, TJG
140
°C
Thermal resistance
28-pin PLCC, θJP28PLCC
28-pin SSOP, θJP28SSOP
39
55
°C/W
°C/W
6
ERICSSON [ ERICSSON ]
