MH88612B 查看數據表（PDF） - Zarlink Semiconductor Inc

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MH88612B

Subscriber Line Interface Circuit (SLIC)

Zarlink Semiconductor Inc 

MH88612B

Data Sheet

AC Electrical Characteristics

Characteristics

1 Ringing Voltage (rms)

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

9 2-wire Return Loss over

300-3400Hz

10 Transhybrid Loss

11 Longitudinal to Metallic

Balance over 300-3400 Hz

12 Total Harmonic Distortion

at VX

Sym

VRING

REN

Zin

RL

THL

THD

Min

17

-1.3

-0.15

-1.3

-0.15

20

20

50

Typ‡

200

600

100

10

-1.0

-1.0

30

30

55

0.1

Max

90

25

3

-0.7

+0.15

-0.7

+0.15

1.0

Units

Vrms

Hz

ms

Ω

kΩ

Ω

dB

dB

dB

dB

dB

dB

%

Test Conditions

Superimposed on VBAT =

-48V

Cap = 1uF

Input 3dBm, 1kHz across

Tip and Ring

300-3400 Hz

Input 1.0 Vrms 1kHz at VR

ZLoad = 600Ω

300 - 3400 Hz

Input 0.5 Vrms , 1kHz

across Tip and Ring,

ZLoad = 600Ω

Input 0.5 Vrms, 1kHz at VR

ZLoad= 600Ω

Input 0.5 Vrms

Input 3dBm, 1 kHz

across Tip and Ring,

at Tip and Ring

0.1 1.0

13 Common Mode Rejection

Ratio 2-wire to Vx

CMRR 40

50

14 Idle channel Noise

Nc

14

15 Power supply rejection ratio PSRR

VCC

26

VEE

26

VBAT

26

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

%

Input 1.0 Vrms 1kHz at VR

dB Input 0.5Vrms, 1kHz

dBrnC C @ & VX Message

dB 1 VPP ripple, 1kHz on

dB

dB

VCC/VEE/VBAT,measure at

VX and across Tip & Ring

8

SEMICMF.019

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