MH88500
Absolute Maximum Ratings
†
Parameter
1
Voltage Supplies - V
Ref
to GND
Symbol
V
A1,
V
A2
V
B
V
C1
, V
C2
2
3
4
5
Clamp Diode Breakdown Voltage-V
Ref
to RGND
Operating Temperature
Storage Temperature
Power Dissipation
V
CD
T
AMB
T
STG
P
D
Preliminary Information
Min
Max
Units
V
-18
-35
+18
V
V
+15
0
-40
+70
+100
1.2
V
°C
°C
Watt
† Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
AC Electrical Characteristics
†
Voltages are with respect to ground (V
SS
), TA = 25°C, unless otherwise stated.
Test conditions unless noted, V
A1
=V
A2
=+7V, V
B
=8V, V
C2
=-24V(+5%).
Characteristics
1
Junctor to differential output (tip-
ring) gain.
Differential Input (tip-ring) to junctor
gain
On/Off Hook Detection
Threshold
Loop Resist
Loop Current
4
5
6
7
8
Trans Hybrid Loss
Passband Linearity
Power Supply Rejection Ratio
(VC to Junctor)
Common Mode Rejection Ratio
(Tip and Ring to Junctor)
Low Frequency Cutoff (3dB)
Junctor to Line
Line to Junctor
High Frequency Cutoff (3dB)
Line to Junctor
Junctor to Line
Longitudinal Balance
Tip (or Ring) to ground AC input
impedance
Junctor output impedance
Sym
A
JL
Min
2.18
Typ
‡
2.25
7
0.321
Max
2.32
Units
V/V
dB
V/V
dB
Test Conditions
1kHz, 400mV
RMS
source on pin 16.
Note 2
1kHz, 1V
RMS
Source on pins 1&3.
Note 1,2
2
A
LJ
0.303
0.321
3
R
Thresh
I
Thresh
4.0
3.6
5.4
4.0
55
+1
6.0
5.3
kΩ
mA
dB
Note 1.
Note 1
Notes 1,2. See
Figure 2
dB
dB
dB
Notes 1,2
Notes 1,2
Notes 1,2
PSRR
CMRR
40
40
F
LLJ
F
LJL
F
HLJ
F
HJL
53
20
800
500
65
Hz
Hz
kHz
kHz
dB
Ω
Ω
Notes 1,2
Notes 1,2
Notes 1,2
Notes 1,2
Note 1
9
10
11
12
Z
I
Z
OJ
300
604
† Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
‡ Typical figures are at 25°C with nominal+ 5V supplies and are for design aid only: not guaranteed and not subject to production testing.
Note 1: 754Ω connected between JUNCTOR (pin 16) and OV.
Note 2: 604Ω connected between TIP (pin 1) and RING (pin 3).
2-36
MITEL [ MITEL NETWORKS CORPORATION ]
