MH88612K 查看數據表（PDF） - Mitel Networks

零件编号

产品描述 (功能)

生产厂家

MH88612K

Subscriber Line Interface Circuit

Mitel Networks 

Preliminary Information

MH88612K

AC Electrical Characteristics

Characteristics

1 Ringing Voltage

Sym

VRING

2 Ringer Equivalence Number

3 Ring Trip Detect time

4 Input AC Impedance 2-wire

5 Input Impedance at VR

6 Output Impedance at Vx

7 Gain 2-wire to Vx

Gain relative to Gain @ 1kHz

8 Gain VR to 2-wire

Gain relative to Gain @ 1kHz

REN

Zin

Min Typ* Max

40

80 110

17

25

3

100 125

600

100

10

-1.0

+0.1

-1.0

+0.25

Units

Vrms

Hz

Test Conditions

Superimposed on VBAT =

-48V

ms

Ω

kΩ

Ω

dB Input 3 dBm, 1kHz across

Tip and Ring, 300-3400

dB (Input 1.0 Vrms 1kHz at VR

ZLoad = 600Ω

dB

300-3400 Hz)

9 2-wire Return Loss over

300-3400Hz

10 Transhybrid Loss over

300-3400 Hz

11 Longitudinal to Metallic

Balance

20

30

THL

35

50

50

55

dB Input 0.5 Vrms 1kHz

across Tip and Ring,

ZLoad = 600Ω

dB Input 0.5V Vrms at VR

ZLoad = 600Ω

dB Input 0.5 Vrms

12 Total Harmonic Distortion

THD

at Vx

at Tip and Ring

0.1 1.0

0.1 1.0

% Input 3dBm, 1 kHz across

Tip and Ring,

Input 1.0 Vrms 1kHz at VR

%

13 Common Mode Rejection

CMRR 40

50

Ratio

2-wire to Vx

dB Input 0.5 Vrms, 1KHz

14 Idle channel Noise (at Vx)

Nc

12 dBrnC C- Message

15 Power supply rejection ratio PSRR

VDD

VEE

VBAT

30

35

30

40

30

60

dB 1 VPP ripple, 1kHz on VDD

dB VEE, VBAT, measure at Vx

dB and across Tip and Ring

* Typical figure are at 25°C and are for design aid only: not guaranteed and not subject to production testing.

2-127

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