MH88628 Просмотр технического описания (PDF) - Mitel Networks
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MH88628 Datasheet PDF : 16 Pages
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Preliminary Information
MH88628
-VBat
SYSTEM +5V
GROUND
-5V
VDD
VEE
AGND
VBat
RX
MH88628
GRX0
GRX1
LCA
TX
TF1
TF2
GTX0
GTX1
SHK
P
TIP
R
O
T
E
C
T
I
RING
O
N
RF1
K1B
RF2
+5V
VRLY
K1
UD
Z1
Z600
SEL1
SEL2
ESE
ESI
ACRI
DCRI
RD
RGND
NS
VR
VX
CODEC
LINE
CONTROLLER
LOGIC
1.5VRMS 20Hz
Source
+
120VDC
Supply
12/16kHz
Metering Source
Figure 9 - OPS SLIC Configuration Applications Circuit - Normal Ringing
Graph 2 - Loop Current Setting
65mA
50
(Ω/10)
To -5V
40
O/C LCA
35.3mA
30
LCA
= 0V
28.48m
20 10K
To +5V
100K
(Ω/10 + 10mA)
1M
R(LCA) Ω
2-211
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