Preliminary Information
Absolute Maximum Ratings* -
All voltages are with respect to AGND unless otherwise specified.
Parameter
1
2
3
4
5
6
DC Supply Voltage
DC Battery Voltage
x
DC Ring Relay Voltage
DC Reference Voltage
AC Ring Generator Voltage
DC Digital Input Voltage
GS, CSTi
MH89625C
.
Symbol
V
DD
V
EE
V
BAT
V
RLY
V
REF
Min
-0.3
0.3
0.3
-0.3
-0.3
Max
7
-7
-65
7
V
DD
150
Units
V
V
V
V
V
RMS
V
-0.3
V
DD
DSTi, C2i
F1i
7
8
DC Digital (3-level) Input voltage
Storage Temperature
CA
TS
V
EE
-40
V
DD
+125
V
°C
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
x
LGND is connected to AGND
Recommended Operating Conditions
Parameters
1
2
3
4
5
DC Supply Voltages
DC Battery Voltage
x
DC Ring Relay Voltage
DC Reference Voltage
y
AC Ringing Generator
Voltage
Ringing Generator
Frequency
Operating Temperature
T
OP
Sym
V
DD
V
EE
V
BAT
V
RLY
V
REF
2.488
22
Min
4.75
-4.75
-39.8
Typ
‡
5.0
-5.0
-48
5.0
2.500
90
25
Max
5.25
-5.25
-60
7
2.512
130
28
Units
V
V
V
V
V
V
RMS
Hz
Test Conditions
6
0
25
70
°C
x
LGND is connected to AGND.
y
Temperature coefficient of V
REF
should be better than 100ppm/C.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
2-273
MITEL [ MITEL NETWORKS CORPORATION ]
