MSM7578HRS Ver la hoja de datos (PDF) - Oki Electric Industry

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MSM7578HRS

Single Rail CODEC

Oki Electric Industry 

¡ Semiconductor

MSM7578H/7578V/7579

AC Characteristics (Continued)

(VDD = +5 V ±5%, Ta = –30°C to +85°C)

Parameter

Idle Channel Noise

Absolute Level (Initial Difference)

Symbol Freq.

(Hz)

Nidle T —

NidleR —

AV T

AV R

Level Condition Min.

(dBm0)

AIN = SG

—

—

*1 *2

—

*1 *3 —

VDD = 5.0 V 0.5803

Ta = 25°C

0.5803

Typ.

–72.5

–70.5

–78

0.6007

0.6007

Max. Unit

–70

–68 dBmOp

–75

0.6218

Vrms

0.6218

Absolute Level

AV Tt

(Deviation of Temperature and Power)

AV Rt

1020

Absolute Delay

Transmit Group Delay

Receive Group Delay

Crosstalk Attenuation

Td 1020

tgd T1

tgd T2

tgd T3

tgd T4

tgd T5

tgd R1

tgd R2

tgd R3

tgd R4

tgd R5

CR T

CR R

500

600

1000

2600

2800

500

600

1000

2600

2800

1020

0

VDD = +5 V –0.2

±5%

Ta = –30

–0.2

to 85°C

A to A

0 BCLK

—

= 64 kHz

*4 —

—

0

—

—

—

*4 —

—

0

—

—

—

TRANS Æ RECV 75

0

RECV Æ TRANS 70

—

+0.2 dB

—

+0.2 dB

—

0.60 ms

0.19 0.75

0.11 0.35

0.02 0.125 ms

0.05 0.125

0.07 0.75

0.00 0.75

0.00 0.35

0.00 0.125 ms

0.09 0.125

0.12 0.75

85

—

dB

80

—

*1 Psophometric filter is used

*2 Upper is specified for the MSM7578H, lower for the MSM7579

*3 MSM7578H: All "1", MSM7579: "11010101"

*4 Minimum value of the group delay distortion

11/18

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