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AM79R70-1SC Scheda tecnica(PDF) 9 Page - Advanced Micro Devices

Il numero della parte AM79R70-1SC
Spiegazioni elettronici  Ringing Subscriber Line Interface Circuit
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Produttore elettronici  AMD [Advanced Micro Devices]
Homepage  http://www.amd.com
Logo AMD - Advanced Micro Devices

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SLIC Products
9
ELECTRICAL CHARACTERISTICS (continued)
RELAY DRIVER SCHEMATIC
Description
Test Conditions (See Note 1)
Min
Typ
Max
Unit
Note
Logic Inputs (C3–C1, D2–D1, E1, and B2EN)
VIH, Input High voltage
2.0
V
VIL, Input Low voltage
0.8
IIH, Input High current
–75
40
µA
IIL, Input Low current
–400
Logic Output DET
VOL, Output Low voltage
IOUT = 0.8 mA, 15 kΩ to VCC
0.40
V
VOH, Output High voltage
IOUT = –0.1 mA, 15 kΩ to VCC
2.4
Ring-Trip Detector Input
Ring detect accuracy
–10
+10
%
Ring Signal
VAB, Ringing
Bat1 = –67 V, ringload = 1570
57
61
Vpk
VAB Ringing offset
VRINGIN = 2.5 V
0
V
∆VAB/∆VRINGIN (RINGIN gain)
180
Ground-Key Detector Thresholds
Ground-key resistive threshold
B to ground
2
5
10
k
Ground-key current threshold
B to ground
11
mA
Loop Detector
RLTH, Loop-resistance detect threshold
Active, VBAT1
Active, VBAT2
Standby
–20
–20
–12
20
20
12
%
8
Relay Driver Output (RELAY1 and 2)
VOL, On voltage (each output)
IOL = 30 mA
+0.25
+0.4
V
VOL, On voltage (each output)
IOL = 40 mA
+0.30
+0.8
4
IOH, Off leakage (each output)
VOH = +5 V
100
µA
Zener breakover (each output)
IZ = 100 µA
6.6
7.9
V
Zener on voltage (each output)
IZ = 30 mA
11
IRTD
BAT1
1
RRT1
----------------------------
24
µA
+

 335
=
RYOUT1
BGND
RYOUT2
BGND
RYE


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