MSM7503 Просмотр технического описания (PDF) - Oki Electric Industry

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MSM7503

Multi-Function PCM CODEC

Oki Electric Industry 

¡ Semiconductor

MSM7503

AC Characteristics 1 (CODEC) (Continued)

(VDD = 5 V ±5%, Ta = –10°C to 70°C)

Parameter

Symbol Freq. Level Condition

(Hz) (dBm0)

Transmit Group Delay

Receive Group Delay

Crosstalk Attenuation

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

*3

0

*3

0

CAI Æ CAO

FHW Æ BHW CAO left open

Discrimination

Out-of-band Signal

DIS

4.6 kHz to

72 kHz

–25

0 to 4000 Hz

Out-of-band Signal

Spurious

S

300 to

3400

0

4.6 kHz to 100 kHz

Intermodulation Distortion

IMD

fa = 470

fb = 320

–4

2fa–fb

Power Supply Noise

Rejection Ratio

PSR T 0 to 50 50

PSR R kHz mVpp

*4

Min.

—

—

—

—

—

—

—

—

—

—

70

75

30

—

—

25

Typ.

0.19

0.12

0.02

0.05

0.08

0.0

0.0

0.0

0.09

0.12

78

86

32.0

–37.5

–52

30

Max. Unit

0.75

0.35

0.125 ms

0.125

0.75

0.75

0.35

0.125 ms

0.125

0.75

—

dB

—

— dB

–35 dBmO

–35 dBmO

— dB

Notes: *3 The minimum value of group delay only is defined as the reference value

*4 Measurement at the idle channel noise

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