Preliminary Information
MH88600
DC Electrical Characteristics
†
Parameters
1
Supply Current
Sym
I
DD
I
EE
I
Bat
PC
Min.
Typ*
8.5
5.0
Max
12.0
10.0
4.8
330
755
1556
18
21
2000
800
1560
600
10
10
20
25
22
30
Units
mA
mA
mA
mW
mW
mW
mA
mA
Ω
Ω
Ω
Ω
mA
mA
Test Conditions
R
Loop
=Open Cct,
V
Bat
= -48V
Standby
R
Loop
=1200Ω
R
Loop
=0Ω
V
Bat
=-48V
LCA=-5.4V when R
Loop
-0Ω
LCA=linked to V
Ref when
R
Loop
=0Ω
V
Bat
=-48V, I
Loop
=20mA
V
Bat
=-48V, I
Loop
=20mA
V
Bat
=-48V, I
LLoop
=25mA
V
Bat
=-48V, I
Loop
=25mA
2
Power Consumption
3
Constant Current
Battery Feed
‡
Operating Loop
Resistance
‡
I
Loop
I
Loop
R
Loop
4
5
6
7
8
9
10
11
12
13
14
V
Ref
RD
SHK
&
EGB
Off-Hook Detect Threshold
GND Button Detect
Threshold
Ring GND Over-Current
Protection
Low Level Output Voltage
High Level Output Voltage
Sink Current
Source Current
Low Level Input Voltage
High Level Input Voltage
High Level Input Current
Sink Current
Clamp Diode Current
Internal Reference
SHK
th
EGB
th
32
V
OL
V
OH
I
OL
I
OH
V
IL
V
IH
I
IH
I
RLY
I
CD
-7.4
-6.7
65
2.4
160
390
41
0.4
mA
V
V
µΑ
µΑ
No Load
V
OL
=0.8V
V
OH
=-0.2V
RC
0.4
4.0
1.5
V
V
mA
mA
V
IH
= V
DD
65
-6.0
mA
V
LCA linked to V
Ref
* Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
† DC Electrical Characteristics are over recommended operating conditions unless otherwise stated.
‡ See Figures 3a and 3b.
2-89
MITEL [ MITEL NETWORKS CORPORATION ]
