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)

(VDD = 5 V ±5%, Ta = –10°C to 70°C)

Parameter

Transmit Frequency

Response

Receive Frequency

Response

Transmit Signal to

Distortion Ratio

Receive Signal to

Distortion Ratio

Transmit Gain

Tracking

Receive Gain

Tracking

Idle Channel Noise

Absolute Amplitude

Absolute Delay Time

Symbol Freq. Level Condition

(Hz) (dBm0)

Loss T1 60

Loss T2 300

Loss T3 1020

Loss T4 2020 0

Loss T5 3000

Loss T6 3400

Loss R1 300

Loss R2 1020

Loss R3 2020 0

Loss R4 3000

Loss R5 3400

SD T1

3

SD T2

0

SD T3 1020 –30

*1

SD T4

–40

SD T5

–45

SD R1

3

SD R2

0

SD R3 1020 –30

*1

SD R4

–40

SD R5

–45

GT T1

3

GT T2

–10

GT T3 1020 –40

GT T4

–50

GT T5

–55

GT R1

3

GT R2

–10

GT R3 1020 –40

GT R4

–50

GT R5

–55

Nidle T —

Nidle R —

—

AIN = SG

*1

m

A

—

*1

*2

AV T

1020 0

AV R

CAI Æ BHW

FHW Æ CAO

Td

1020

0

CAI Æ CAO

BCLOCK = 64 kHz

Min. Typ. Max. Unit

20

27

—

–0.20 0.07

0.20

Reference

–0.15 –0.03

0.20 dB

–0.15 0.06

0.20

0.0

0.38

0.80

–0.15 –0.03 0.20

Reference

–0.15 –0.02 0.20 dB

–0.15 0.15

0.20

0.0

0.56

0.80

35

43.0

—

35

41.0

—

35

38.0

— dB

29

31.0

—

24

26.5

—

37

43.0

—

37

41.0

—

37

40.0

— dB

30

34.0

—

25

31.0

—

–0.3 0.01

0.3

Reference

–0.3 –0.05

0.3 dB

–0.5 0.05

0.4

–1.2 0.30

1.2

–0.3

0.0

0.3

Reference

–0.3 –0.10

0.3 dB

–0.5 –0.30

0.5

–1.2 –0.40

1.2

—

–73.5

–70

—

–71

–68

dBmOp

—

–78.0

–75

0.5671 0.6007 0.6363

Vrms

0.5671 0.6007 0.6363

—

0.58

0.60 ms

Notes: *1 The Psophometric weighted filter is used

*2 PCMIN input: idle CODE

20/41

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