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ML7041

Audio CODEC

Oki Electric Industry 

OKI Semiconductor

FEDL7041-04

ML7041

AC Characteristics (Continued)

(VDD = 2.4 to 3.3 V, Ta = –40 to +85°C)

Parameter

Condition

Symbol Frequency

(Hz)

Level

(dBm0)

Others

Min.

Typ. Max. Unit

Idle Channel Noise

MIC1I,

MIC2I,

NIDLT

—

MIC3 ±

*1

—

—

–68 dBmOp

= SG

Absolute Signal Amplitude

NIDLR

AVT

—

1020

— *1,*2,*4 —

—

–72

MIC1O,

MIC2O, 0.285

0.320 0.359 Vrms

0

MIC3O

*3

0.320

AVR

EXTO 0.285

0.359 Vrms

*3

Power Supply Noise Rejection

Ratio

PSRRT

PSRRR

Noise

Noise

frequency: level:

0 to 50 kHz 50 mVpp

—

30

30

—

—

—

dB

—

dB

tSDX

0

—

200

ns

tSDR

tXD1

Digital Input/Output Timing PCM tRD1

Interface

tXD2

tRD2

—

1 LSTTL

+

100 pF

See

Figure 6

0

0

—

200

ns

—

200

ns

tXD3

0

—

200

ns

tRD3

I2C Interface timing

fSCL

tBUF

tHD:STA

tLOW

tHIGH

—

tSU:STA

tHD:DAT

tSU:DAT

tSU:STO

0

4.7

4.0

4.7

CL = See

50 pF Figure 7

4.0

4.7

0

250

4.0

—

100 kHz

—

—

µs

—

—

µs

—

—

µs

—

—

µs

—

—

µs

—

—

µs

—

—

ns

—

—

µs

*1 Use the P-message weighted filter.

*2 PCMIN input code “11010101” (A-law)

“11111111” (µ-law)

*3 0.320 Vrms = 0 dBm0 = –7.7 dBm

*4 EXTO output

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