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MSM7575GS-BK

Multi-Function PCM CODEC

Oki Electric Industry 

¡ Semiconductor

MSM7575

AC Characteristics (Continued)

Condition

(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)

Parameter

Symbol Freq.

(Hz)

Level

(dBm0)

Min.

Others

Typ.

Max. Unit

Power Supply Noise

Rejection Ratio

PSRRT Noise Freq. Noise Level

—

30

PSRRR : 0 to 50 kHz : 50 mVPP

30

tSDX

0

—

—

dB

—

—

dB

200

—

ns

*5(100)

Digital Input/Output

Setting Time

tXD1

0

1LSTTL + 100 pF See

—

pull-up: 500 W Fig.4

tXD2

0

200

—

ns

*5(100)

200

—

ns

*5(100)

200

tXD3

0

—

ns

*5(100)

tM1

50

—

tM2

50

—

tM3

50

—

tM4

50

—

Serial Port Digital

Input/Output Setting

Time

tM5

100

—

See

tM6

—

CLoad = 100 pF Fig.7

50

—

tM7

50

—

tM8

0

—

tM9

50

—

tM10

50

—

tM11

0

—

Shift Clock Frequency

FEXCK

—

—

EXCK —

—

—

ns

—

ns

—

ns

—

ns

—

ns

—

ns

—

ns

50

ns

—

ns

—

ns

50

ns

10 MHz

*2 Use the P-message weighted filter

*3 PCMRI input code "11010101"(A-law)

"11111111"(m-law)

*4 0.320 Vrms = 0 dBm0 = –7.7 dBm

*5 Value in ( ) is for CLoad = 10 pF Pull-up £ 20 kW

Note: All ADPCM coder and decoder characteristics comply with ITU-T Recommendation

G.721.

14/25

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