MAX9867 datasheet(18/55 Pages) MAXIM

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Ultra-Low Power Stereo Audio Codec

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DAC IIR HIGHPASS FILTER

FREQUENCY RESPONSE, MODE = 0

FREQUENCY (Hz)

220

520

320

420

120

-40

-20

-80

-60

-100

DVFLT = 0

DVFLT = 3

DVFLT = 4

LRCLK = 8kHz

MODE = 0

DAC IIR HIGHPASS FILTER

FREQUENCY RESPONSE, MODE = 0

FREQUENCY (Hz)

220

520

320

420

120

-40

-20

-80

-60

-100

AVFLT = 0

AVFLT = 3

AVFLT = 4

LRCLK = 8kHz

DAC IIR/FIR LOWPASS FILTER

FREQUENCY RESPONSE (8kHz)

-30

-20

-70

-50

-10

-60

-40

-80

MODE = 0

MODE = 1

3.0

3.3

3.6

3.9

FREQUENCY (kHz)

4.0

3.1

3.4 3.5

3.8

3.2

3.7

ADC IIR/FIR LOWPASS FILTER

FREQUENCY RESPONSE (8kHz)

-40

-20

-80

-60

-100

MODE = 0

MODE = 1

3.0

3.3

3.6

3.9

FREQUENCY (kHz)

4.0

3.1

3.4 3.5

3.8

3.2

3.7

SHUTDOWN TO DAC FULL OPERATION

(CAPACITORLESS OR DIFFERENTIAL MODE)

TIME (4ms/div)

SHUTDOWN TO DAC FULL OPERATION

(CLICKLESS SINGLE-ENDED MODE)

TIME (40ms/div)

SHUTDOWN TO DAC FULL OPERATION

(FAST TURN-ON SINGLE-ENDED MODE)

TIME (4ms/div)

Typical Operating Characteristics (continued)

(VAVDD = VDVDD = VPVDD = +1.8V, CREF = 2.2µF, CMICBIAS = CPREG = CREG = 1µF, AVMICPGA = 0dB, MCLK = 13MHz, LRCLK =

8kHz, BW = 20Hz to fS/2, TA = +25°C, unless otherwise noted.)

MAX9867 데이터시트(PDF) 18 Page - Maxim Integrated Products

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