MT9162AS datasheet(8/17 Pages) MITEL

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MT9162

Advance Information

7-168

† AC Electrical Characteristics are over recommended temperature range & recommended power supply voltages.

‡ Typical ﬁgures are at 25

°C and are for design aid only: not guaranteed and not subject to production testing.

AC Characteristics† for A/D (Transmit) Path - 0dBm0 = A

Lo3.17 - 3.17dB = 1.773Vrms for µ-Law and

0dBm0 = ALo3.14 - 3.14dB = 1.843Vrms for A-Law, at the Codec. (VRef=0.6 volts and VBias=2.5 volts.)

Characteristics

Sym

Min

Typ‡

Max

Units

Test Conditions

Analog input equivalent to

overload decision

ALi3.17

ALi3.14

7.334

7.6

Vp-p

µ-Law

A-Law

Both at Codec

Absolute half-channel gain

AIN

± to Dout

GAX1

5.2

6.0

6.8

Transmit ﬁlter gain=0dB

setting.

@1020Hz

Gain tracking vs. input level

ITU-T G.714 Method 2

GTX

-0.3

-0.6

-1.6

0.3

0.6

1.6

3 to -40 dBm0

-40 to -50 dBm0

-50 to -55 dBm0

Signal to total Distortion vs. input

level.

ITU-T G.714 Method 2

DQX

0 to -30 dBm0

-40 dBm0

-45 dBm0

Transmit Idle Channel Noise

NCX

NPX

8.5

-71

-69

dBrnC0

dBm0p

µ-Law

A-Law

Gain relative to gain at

<50Hz

60Hz

200Hz

300 - 3000 Hz

3000 - 3400 Hz

4000 Hz

>4600 Hz

GRX

-0.25

-0.9

-45

-23

-40

-25

-30

0.0

0.25

-12.5

-25

Absolute Delay

DAX

360

µs

at frequency of minimum

delay

Group Delay relative to DAX

DDX

750

380

130

750

µs

500-600 Hz

600 - 1000 Hz

1000 - 2600 Hz

2600 - 2800 Hz

Power Supply Rejection

f=1020 Hz

f=0.3 to 3 kHz

f=3 to 4 kHz

f=4 to 50 kHz

PSSR

PSSR1

PSSR2

PSSR3

±100mV peak signal on

VDD

µ-law

PSSR1-3 not production

tested

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