MSM7717 datasheet(13/19 Pages) OKI

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MSM7717-01/02/03

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AC Characteristics (Continued)

Absolute Level (Initial Difference)

Nidle T

——

–72.5

–70.5

–68

dBm0p

NidleR

—

–76.5

AV T

0.338

0.35

0.362

AV R

0.483

0.5

0.518

Vrms

1020

Absolute Delay

AV Tt

–0.2

—

+0.2

AV Rt

–0.2

—

+0.2

1020

—

0.6

A to A

BCLK

= 64 kHz

Transmit Group Delay

tGD T1

—

0.19

0.75

tGD T2

—

0.11

0.35

tGD T3

—

0.02

0.125

tGD T4

—

0.05

0.125

0.07

tGD T5

—

0.75

Receive Group Delay

—

0.00

0.75

0.00

—

0.00

0.125

—

0.09

0.125

—

0.12

0.75

—

–74

Idle Channel Noise

—

AIN = SG

*1 *3

VDD = 3.0 V

Ta = 25°C

VDD = 2.7 V

to 3.8 V

Ta = –30

to 85°C

Absolute Level

(Deviation of Temperature and Power)

500

600

1000

2600

2800

Crosstalk Attenuation

CR T

7580—

CR R

1020

TRANS Æ RECV

RECV Æ TRANS

tGD R1

tGD R2

tGD R3

tGD R4

tGD R5

500

600

1000

2600

2800

—

0.35

Condition

(FS = 8 kHz, VDD = 2.7 V to 3.8 V, Ta = –30°C to +85°C)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Level

(dBm0)

Freq.

(Hz)

*1 Psophometric filter is used.

*2 Upper column is specified for the m-law, lower for the A-law.

*3 Input "0" code to PCMIN.

*4 AVR is defined at VFRO output.

*5 With respect to minimum value of the group delay distortion

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