MT91L60AS datasheet(21/32 Pages) MITEL

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Advance Information

MT91L60/61

† 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.

* Note: RxINC, refer to Control Register 1, address 00h.

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

Lo3.17 - 3.17dB = 1.027Vrms for µ-Law and 0dBm0 = ALo3.14

- 3.14dB =1.067Vrms for A-Law, at the Codec.

(VRef = 0.4V and VBias=1.5 volts.)

Characteristics

Sym

Min

Typ‡

Max

Units

Test Conditions

Analog output at the Codec full

scale

ALo3.17

ALo3.14

4.183

4.331

Vp-p

µ-Law

A-Law

Absolute half-channel gain.

Din to HSPKR

GAR1

GAR2

GAR3

GAR4

-0.6

-6.6

-12.6

-6

-12

0.6

-5.4

-11.4

DrGain=0, RxINC =1*

DrGain=0, RxINC =0*

DrGain=1, RxINC =1*

DrGain=1, RxINC =0*

@ 1020 Hz

Tolerance at all other receive

ﬁlter settings

(-1 to -7dB)

-0.2

±0.1

+0.2

Gain tracking vs. input level

ITU-T G.714 Method 2

GTR

-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

GQR

0 to -30 dBm0

-40 dBm0

-45 dBm0

Receive Idle Channel Noise

NCR

NPR

11.5

-80

-77

dBrnC0

dBm0p

µ-Law

A-Law

Gain relative to gain at 1020Hz

200 Hz

300 - 3000 Hz

3000 - 3300 Hz

3300 Hz

3400 Hz

4000 Hz

4600 Hz

>4600 Hz

GRR

-0.25

-0.90

-0.9

-0.1

-0.5

-23

-41

0.25

-12.5

-25

Absolute Delay

DAR

240

µs

at frequency of min. delay

Group Delay relative to DAR

DDR

750

380

130

750

µs

500-600 Hz

600 - 1000 Hz

1000 - 2600 Hz

2600 - 2800 Hz

Crosstalk

D/A to A/D

A/D to D/A

CTRT

CTTR

-90

-74

-80

ITU-T

G.714.16

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