MH88634BV-4 데이터 시트보기 (PDF) - Mitel Networks

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MH88634BV-4

Central Office Interface Circuit

Mitel Networks 

Advance Information

MH88634B

DC Electrical Characteristics†

Characteristics

Symbol Min

1 Ringing Voltage

VR

40

2 Detect

No Detect

VR

60

Typ‡

90

Max

150

106

35

Units

Vrms

Vrms

3 Operating Loop Current

16

70

mA

4 Off-Hook DC Resistance

270

280

Ω

5 Leakage Current

(Tip-Ring to AGND)

7 mArms

6 SHK & FL Threshold

Tip-Ring (On-hook)

12

Tip-Ring Current (Off-Hook)

5

21

Vdc

15

mA

7 SHK & RL Threshold

Tip-Ring (On-Hook)

12

Tip-Ring Current (Off-Hook)

-5

21

Vdc

-15

mA

† Electrical Characteristics are over recommended operating conditions unless otherwise stated.

‡ Typical figures are at 25°C with nominal 5V supplies and are of r design aid only.

Note 1: Maximum figure of 282Ω at 0°C

Test Conditions

-2 Variant only

17 to 68Hz

-4 Variant only

-4 Variant only

16-33Hz

(TR57 compliant)

@ 20mA Note 1

@ 1000VAC

LRC = 0V

LRC = 5V

LRC = 0V

LRC = 5V

2-271

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