PBL38772 데이터 시트보기 (PDF) - Ericsson
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PBL38772 Datasheet PDF : 24 Pages
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PBL 387 72
Parameter
Ref
fig Conditions
Min
Typ
Max
Unit
Ringing
VR input impedance
Input bias current VR
VR input voltage
Ring injection suppression
Ringing gain
Ringing voltage total distortion
Voltage offset TIPX and RINGX
Common mode voltage TIPX and RINGX
Ring-trip detector
Ring-trip current threshold, ILRTh
Ref to AGND
Active state, RL = 600 Ω
VR to two-wire, Note 9
RL = 1.4 kΩ - 40 kΩ , 25 Hz, Note 9
VBat/2 + 0.65, Note 9
VBat/2 + 0.65
Note 10
50
7
0.81
100
94
0.4
-3
0
-0.4
0
MΩ
nA
VPeak
dB
ratio
2
%
3
V
0.4
V
0.92×ILRTh ILRTh 1.08×ILRTh mA
Loop voltage measurement
Frequency
f = 106
VTR + 1
f
Hz
Ground key detector and loop ground fault detector
Ground key detector threshold
9
15
19
mA
Digital inputs (C1, C2, C3)
Input low voltage, VIL
Input high voltage, VIH
Input low current, IIL
Input high current, IIH
VIL = 0.5 V
VIH = 2.5 V
0
2.5
-200
-100
0.5
V
VCC
V
µA
µA
Detector output (DET)
Output low voltage, VOL
Internal pull-up resistor to VCC
IOL = 1 mA
0.1
0.6
V
10
kΩ
Power dissipation (VBat -80 V, VTBat = -24 V note 11)
P1
Open circuit state
P2
Active state
Longitudinal current = 0 mA, IL = 0 mA
P3
Active state, RL = 300 Ω (Off-hook)
P4
Active state, RL = 600 Ω (Off-hook)
P5
Ringing state, RL = 7 kΩ (ac load ≈ 1 REN)
Sine wave, 20 Hz, max. amplitude
16
mW
65
mW
0.50
W
0.29
W
0.36
W
Power supply currents (VBat = -80 V)
VCC current, ICC
VTBat current, ITBat
VTB current, ITB
VBat current, IBat
VCC current, ICC
VTBat current, ITBat
VTB current, ITB
VBat current, IBat
VCC current, ICC
VTBat current, ITBat
VTB current, ITB
VBat current, IBat
Open circuit state
Open circuit state
Open circuit state
Open circuit state
Active state, On-hook
Active state, On-hook
Active state, On-hook
Active state, On-hook
Ringing state, On-hook, No ring signal
Ringing state, On-hook, No ring signal
Ringing state, On-hook, No ring signal
Ringing state, On-hook, No ring signal
1.4
mA
0
mA
-0.13
mA
-0.07
mA
2.4
mA
0
mA
-0.2
mA
-0.6
mA
7.1
mA
0
mA
-1
mA
-2.7
mA
6
EN/LZT 146 136 R1A © Ericsson Microelectronics, December 2001
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