2-118

MH88612C

Preliminary Information

AC Electrical Characteristics

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

Note (1): Zin = 200 + 560

Ω //0.1µF

Characteristics

Sym

Min

Typ*

Max

Units

Test Conditions

1

Ringing Voltage

40

90

25

Hz

Superimposed on

2

Ringer Equivalence Number

REN

3

3

Ring Trip Detect time

100

ms

4

Input AC Impedance 2-wire

(1)

719

Ω

@1020Hz

5

100

k

Ω

6

10

Ω

7

Gain relative to Gain @ 1kHz

-0.5

-0.22

0

0.1

0.1

dB

dB

dB

Input 3 dBm, 1kHz across

Tip and Ring,

300Hz & 3k4Hz

600Hz & 2k4Hz

8

Gain relative to Gain @ 1kHz

with GS @ logic high

-0.6

-0.5

0.22

0

-0.4

0.1

0.1

dB

dB

dB

dB

with GS @ at logic high

with GS @ at logic low

300Hz & 3k4Hz

600Hz & 2k4Hz

9

2-wire Return Loss over

300-3400Hz

20

30

dB

network. See Note (1).

10

Transhybrid Loss over

300-3400 Hz

THL

20

35

dB

complex network. See

Note (1).

11

Longitudinal to Metallic

Balance over 300-3400 Hz

46

55

dB

12

Total Harmonic Distortion

at Tip and Ring

THD

0.1

0.1

1.0

1.0

%

%

Input 3dBm, 1 kHz

across Tip and Ring,

13

Common Mode Rejection

Ratio

CMRR

40

50

dB

14

Idle channel Noise

(at T & R)

Nc

14

-76

12

-78

dBrnC

dBrnp

dBrnC

dBrnp

C- Message

psophemetric

C- Message

psophometric

15

Power supply rejection ratio

PSRR

20

20

20

30

30

30

dB

dB

dB

Vx and across Tip and

Ring