MSM7705 datasheet(12/20 Pages) OKI

12 / 20 page

¡ Semiconductor

MSM7705-01/02/03

12/20

AC Characteristics (Continued)

*1 Psophometric filter is used

*2 Upper columns are specified for the m-law, lower for the A-law

*3 Input "0" code to PCMIN

*4 Minimum value of the group delay distortion

Absolute Level (Initial Difference)

Nidle T

—

–73.5

–71.5

–70

–68

dBm0p

NidleR

—

–78

AV T

0.821

0.850

0.880

AV R

0.821

0.850

0.880

Vrms

1020

Absolute Delay

AV Tt

–0.2

—

+0.2

AV Rt

–0.2

—

+0.2

1020

—

0.60

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

—

–75

Idle Channel Noise

—

AIN = SG

*1 *3

*1 *2

VDD = 5.0 V

Ta = 25°C

VDD = 5 V

±5%

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

(VDD = +5 V ±5%, Ta = –30°C to +85°C)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Level

(dBm0)

Freq.

(Hz)

CR CH

CH to CH

—

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