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MH88437AS-PI Datasheet(PDF) 8 Page - Mitel Networks Corporation

Part # MH88437AS-PI
Description  Data Access Arrangement Advance Information
PDF  16 Pages
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Manufacturer  MITEL [Mitel Networks Corporation]
Direct Link  http://www.mitel.com
Logo MITEL - Mitel Networks Corporation

MH88437AS-PI Datasheet(HTML) 8 Page - Mitel Networks Corporation

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MH88437-P
Advance Information
8
.
*Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
‡ Typical figures are at 25˚C with nominal +5V supply and are for design aid only
† Electrical Characteristics are over Recommended Operating Conditions unless otherwise stated.
‡ Typical figures are at 25
°C with nominal + 5V supplies and are for design aid only.
Note 1: Low Loop current operation depends on value of resistor connected between VLoop 1 and VLoop 2.
Note 2: This is equivalent to 10M
Ω leakage Tip/Ring to Ground.
Note 3. Refer to EIA/TIA 464 Section 4.1.1.4.4
Absolute Maximum Ratings* - All voltages are with respect to AGND unless otherwise specified.
Parameter
Sym
Min
Max
Units
Comments
1
DC Supply Voltage
VCC
-0.3
6
V
2
Storage Temperature
TS
-55
+125
˚C
3
DC Loop Voltage
VTR
-110
+110
V
4
Transient loop voltage
VTR
300
V
1ms On hook
5
Ringing Voltage
VR
150
Vrms
VBAT = -56V
6
Loop Current
ILOOP
60
90
mA
mA
CL=0 VTIP-RING ≤40V
CL=1
7
Ring Trip Current
ITRIP
180
mArms
250ms 10% duty cycle or
500ms single shot
Recommended Operating Conditions
Parameter
Sym
Min
Typ‡
Max
Units
Test Conditions
1
DC Supply Voltages
VCC
4.75
5.0
5.25
V
2
Operating Temperatures
Industrial Temperature
TOP
0
-40
25
70
+85
˚C
3
Ringing Voltage
VR
75
90
Vrms
VBat = -48V
Loop Electrical Characteristics †
Characteristics
Sym
Min
Typ‡
Max
Units
Test Conditions
1
Ringing Voltage
No Detect
Detect
VR
14
7Vrms
Vrms
Externally Adjustable
2
Ringing Frequency
15
68
Hz
3
Operating Loop Current
15
60
80
mA
mA
CL=0 VTIP-RING ≤40V
CL=1 (see Note 1)
4
Off-Hook DC Voltage
6.0
6.0
7.8
V
V
V
Externally Adjustable
ILOOP=15mA)
ILOOP=20mA) (Note 3)
ILOOP=26mA)
where R2 = 110k
Ω
5
Leakage Current
(Tip or Ring to AGND)
10
7
µA
mA
100V DC
(see Note 2)
1000V AC
6
Leakage Current on-hook
(Tip to Ring)
9
18
10
20
µΑ
VBAT (= -50V)
VBAT (= -100V)
7
Dial Pulse Detection
ON
OFF
0
0
+1
+1
+2
+2
ms
ms
Dial pulse delay
8
Loop Condition Detect Threshold
Off-Hook
5
16
V
Voltage across tip and
ring



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