WM8953ECS/RV Ver la hoja de datos (PDF) - Wolfson Microelectronics plc

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WM8953ECS/RV

Low Power Stereo ADC with PLL and TDM Interface

Wolfson Microelectronics plc 

WM8953

Test Conditions

DCVDD = 1.8V, DBVDD = 3.3V, AVDD = 3.3V, TA = +25oC, 1kHz signal, fs = 48kHz,

PGA gain = 0dB, 24-bit audio data unless otherwise stated.

PARAMETER

ADC Input Path Performance

SNR (A-weighted)

THD (-1dBFS input)

THD+N (-1dBFS input)

Crosstalk (L/R)

Line inputs to

ADC via INMIXL

and INMIXR,

AVDD = 3.3V

AVDD PSRR (217Hz)

DCVDD PSRR (217Hz)

SNR (A-weighted)

THD (-1dBFS input)

THD+N (-1dBFS input)

Line inputs to

ADC via INMIXL

and INMIXR,

AVDD = 2.7V

SNR (A-weighted)

THD (-1dBFS input)

THD+N (-1dBFS input)

Crosstalk (L/R)

Input PGAs to

ADC via INMIXL

or INMIXR,

AVDD = 3.3V

AVDD PSRR (217Hz)

SNR (A-weighted)

THD (-1dBFS input)

THD+N (-1dBFS input)

Input PGAs to

ADC via INMIXL

or INMIXR,

AVDD = 2.7V

TEST CONDITIONS

Production Data

MIN TYP MAX UNIT

84

94

dB

-84

-75

dB

-82

-73

dB

-100

dB

45

dB

80

dB

93

dB

-78

dB

-76

dB

84

94

dB

-84

-75

dB

-82

-73

dB

-100

dB

45

dB

92

dB

-78

dB

-76

dB

w

PD, January 2009, Rev 4.0

10

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