MH88612C View Datasheet(PDF) - Mitel Networks
Part Name
Description
Manufacturer
MH88612C Datasheet PDF : 8 Pages
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Preliminary Information
MH88612C
Absolute Maximum Ratings*
Parameter
Symbol
Min
Max
Units
1 DC Supply Voltage
VDD
-0.3
+15
V
VEE
+0.3
-15
V
VBat
0.3
-60
V
2 Storage Temperature
TSTG
-40
100
°C
3 Package Power Dissipation
PD
2
w
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Recommended Operating Conditions
Parameter
Sym Min Typ* Max Units
Comments
1 Operating Supply Voltage
2 Operating Temperature
VDD
4.75
5.0
5.25
V
VEE
-4.75
-5.0
-5.25
V
VRef
0
V
VBat
-27
-48
-60
V
VRLY
5
V
TO
0
70
°C
* Typical figures are at 25°C and are for design aid only.
DC Electrical Characteristics† - Voltages are with respect to GNDA unless otherwise stated.
Adjustable
Characteristics
Sym Min Typ* Max Units
Test Conditions
1 Supply Current
2 Power Consumption
VDD
IDD
VEE
IEE
VBat IBAT
PC
0.8
5
12
0.5
3
10
0.0
2
2.5
210
1410
mA
mA
mA Idle State
mW Standby
mW Active
3 Constant Current Line Feed
ILoop
18
21
24
mA VRef = GNDA,
VBat = -48V
4 Adjustable Loop Current Range ILoop
18
30
mA Adjustable with Ext.
VRef input, VBat = -48V
5 Operating Loop Resistance
RLoop
1850
Ω
VBat = -48V @ ILoop =
18mA, RLoop includes
telephone set
6 Ring Ground Over-Current
protection
40
mA
7 Off-Hook Detect
Output Low Current (On-hook)
VOL
0.0
Output High Current (Off-hook)
VOH
2.7
8 Off- Hook Detect
Output Low Current (on-hook)
IOL
Input High Current. (activation)
IOH
9 RC Control Input
Input Low Volt. (no activation)
Input High Volt. (activation)
VIL
VIH
2.0
10 RC control Input
Input Low Current (no
IIL
activation)
Input high current (activation)
IIH
Active high logic
0.4
V
5.25
V
8
mA
-400 µA
Active high logic
0.7
V
V
-50
µA
50
µA
† DC Electrical Characteristics are over recommended operating supply voltages.
* Typical figures are at 25°C with nominal +/-5V supplies and are for design aid only.
2-117
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