MH88628 Просмотр технического описания (PDF) - Mitel Networks
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MH88628 Datasheet PDF : 16 Pages
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MH88628
Preliminary Information
Absolute Maximum Ratings*
Parameter
Sym Min Max Units
Comments
1 Supply Voltage
2 Storage Temperature
VBat
+0.3 65
V
VDD
-0.3
6
V
VEE
+0.3 -6
V
VDCRI -0.3 140
V
TS
-40 +125 °C
With respect LGND
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Recommended Operating Conditions
Parameter
Sym Min Typ*
1 Supply Voltage
VBat
-44 -48
VDD 4.75 +5.0
VEE -4.75 -5.0
2 Operating Temperature
TOP
0
20
3 AC Ring Generator
Voltage
90
Frequency
17
4 DCRI
Input DC Voltage VDCRI 110 120
* Typical figures are at 25° C with nominal + 5V supplies for design aid only.
Max
-60
5.25
-5.25
70
33
130
Units
V
V
V
°C
Vrms
Hz
Vdc
Comments
DC Electrical Characteristics‡
Characteristics
1
Operating Loop Current
Var in loop current from nominal
Sym
ILoop
ILoop
ILoop
ILoop
Min Typ* Max
45
16
30
±2
Units
mA
mA
mA
mA
Test Conditions
RLoop=0Ω
2300Ω VBat =-48V
RLoop=0Ω, LCA -
GND
2
Operating Currents
3
Power Dissipation
4
SHK Low level Output Voltage
UD High Level Output Voltage
IBat
32
IBat
2
IDD
25
IEE
25
PDO
2
PD1
300
VOL
0.5
VOH
3.7
mA RLoop =0 (off Hook),
LCA=GND
mA RLoop = open (On-
Hook)
mA On-hook or Off-Hook
mA On-Hook or Off-Hook
W Active
mW Standby/Idle
V
IOL = 400µA
V
IOH= 40µA
5 SEL1 Low Level Input Voltage
SEL2 High Level Input Voltage
6 ESE High Level Input Current
NS Low Level Input Current
VIL
VIH
2.4
IIH
IIL
0.8
V
V
20
µA
20
µA
‡ DC 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.
VIH=5.0V
VIL=0.0V
2-202
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