MH88617AT-PI Ver la hoja de datos (PDF) - Mitel Networks

Número de pieza

componentes Descripción

Fabricante

MH88617AT-PI

Programmable SLIC with Ringing Amplification

Mitel Networks 

MH88617

Advance Information

DC Electrical Characteristics†

Characteristics

Sym Min

Typ‡

Max Units

Test Conditions

1 Supply Current

2 Power Consumption

ICC

ICC

IEE

IBAT

IDCRI

IDCRI

PC

12

ILoop + 12

-12

-3

100

100

40

80

270

Test circuit as Fig 7

mA On-Hook

mA Off-Hook Note

mA On-Hook

mA On-Hook

µA RC at logic 0

mA RC at logic 1

mW Power down,

mW On-hook = -48V

Idle

3 Constant current feed to line ILoop

24

mA LCA O/C, Vbat = -48V

RLoop = 300Ω, VCC = 5V

4 Adjustable loop current range ILoop

14

55 mA

5 Maximum operating loop

resistance

6 Tip or Ring to Gnd, Over-

Current Protection

7 Low Level Output Voltage

High Level Output Voltage

8 Relay driver current sink

capability

9 Low Level Input Voltage

High Level Input Voltage

Low Level Input Current

High Level Input Current

RLoop 2000

100

VOL

VOH 2.4

20

VIL

VIH

5.0

IIL

0.1

Ω

ILoop = 18mA,

Vbat = -48V

includes telephone set

mA Vbat = -48V

0.4

V IOL = 4mA

V IOH = 0.4mA

mA RDI = 5V

0.8

V

V

mA

IIH

0.5

mA

10 Switch Hook detect threshold

4

8.5

13

mA Vbat = -48V

† Electrical Characteristics are over Recommended Operating Conditions unless otherwise stated.

‡Typical figures are at 25°C with nominal supply voltages and are for design aid only.

Note: Figure quoted is the +5V supply current plus loop current which flows between -48V (battery supply) and the +5V supply

2-164

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