MH88612B Просмотр технического описания (PDF) - Zarlink Semiconductor Inc

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производитель

MH88612B

Subscriber Line Interface Circuit (SLIC)

Zarlink Semiconductor Inc 

Data Sheet

MH88612B

DC Electrical Characteristics† - Voltages are with respect to GNDA unless otherwise stated.

Characteristics

Sym

1 Supply Current

VCC

VEE

VBAT

ICC

IEE

IBAT

Min Typ‡ Max

6.6

-3.8

150 500

2

2 Power Consumption

PC

3 Constant Current Line Feed

ILoop

4 Adjustable Loop Current Range ILoop

160

1600

23 25

27

18

30

5 Operating Loop Resistance

RLoop

1200

6 Ring Ground Over-Current

40

protection

50

7 Off-Hook Detect

Output Low Voltage (On-hook) VOL

Output High Voltage (Off-hook) VOH 2.7

8 Off-Hook Detect

Output Low Current (On-hook)

IOL

Output High Current. (Off-hook) IOH

9 RC, PD Control Input

Input Low Volt (no activation)

Input High Volt (activation)

VIL

VIH

2.0

0.4

8

-200

0.7

10 RC, PD control Input

Input Low Current (no

IIL

50

activation)

Input high current (activation)

IIH

0.5

11 PD Control Input

Input Low Current

IIL

0.5

Input High Current

IIH

0.3

† DC Electrical Characteristics are over recommended operating supply voltages.

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

Units

mA

mA

µA

mA

mW

mW

mA

mA

Ω

mA

mA

V

V

mA

µA

V

V

µA

mA

mA

mA

Test Conditions

PD = Logic High

PD = Logic Low, Idle

Standby VBAT = -48V

Active (Off Hook)

VREF = AGND, VBAT = -48V

Adjustable with Ext. VREF

input, VBAT = -48V

VBAT = -48V @ ILOOP =

18mA, RLOOP includes

telephone set

ILOOP = 25mA VBAT = 48V

ILOOP = 30mA VBAT = 48V

Active high logic

Active high logic

LSTTL compatible

SEMICMF.019

7

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