WM8960 查看數據表（PDF） - Wolfson Microelectronics plc

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WM8960

Stereo CODEC with 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications

Wolfson Microelectronics plc 

Production Data

WM8960

Test Conditions

DCVDD = 1.8V, DBVDD = 3.3V, AVDD = SPKVDD1 = SPKVDD2 = 3.3V, TA = +25oC, 1kHz signal, fs = 48kHz, PGA gain = 0dB,

24-bit audio data unless otherwise stated.

PARAMETER

SYMBOL TEST CONDITIONS

MIN

TYP

Total Harmonic Distortion

THD

-3dBFs input,

-89

AVDD = 3.3V

0.004

-3dBFs input,

-81

AVDD = 2.7V

0.009

Analogue Inputs (LINPUT2, RINPUT2) to ADC out

Signal to Noise Ratio

SNR

AVDD = 3.3V

84

94

(A-weighted)

AVDD = 2.7V

93

Total Harmonic Distortion Plus

Noise

THD+N

-3dBFs input,

AVDD = 3.3V

-86

0.005

-3dBFs input,

-80

AVDD = 2.7V

0.01

Total Harmonic Distortion

THD

-3dBFs input,

-89

AVDD = 3.3V

0.004

-3dBFs input,

-81

AVDD = 2.7V

0.009

Analogue Inputs (LINPUT3, RINPUT3) to ADC out

Signal to Noise Ratio

SNR

AVDD = 3.3V

94

(A-weighted)

AVDD = 2.7V

93

Total Harmonic Distortion Plus

Noise

THD+N

-3dBFs input,

AVDD = 3.3V

-86

0.005

-3dBFs input,

-80

AVDD = 2.7V

0.01

Total Harmonic Distortion

THD

-3dBFs input,

-89

AVDD = 3.3V

0.004

-3dBFs input,

-81

AVDD = 2.7V

0.009

Analogue Inputs (LINPUT1, RINPUT1, LINPUT2, RINPUT2, LINPUT3, RINPUT3) to ADC out

ADC Channel Separation

1kHz full scale signal into

95

ADC via L/RINPUT1, MIC

amp (single-ended) and

boost

1kHz full scale signal into

85

ADC via L/RINPUT1/2,

MIC amp (pseudo-

differential) and boost

1kHz full scale signal into

85

ADC via L/RINPUT2 and

boost

1kHz full scale signal into

92

ADC via L/RINPUT3 and

boost

Line Input / MIC Separation

Single-ended MIC input

98

(Quiescent input to ADC via

on L/RINPUT1

boost; Output on ADC;

1kHz on L/RINPUT3 to HP out

via bypass path)

Differential MIC input

using L/RINPUT2

90

Boost / Bypass Separation

1kHz on LINPUT2 to ADC

96

(Quiescent L/RINPUT3 to HP

via boost only

outputs via bypass)

1kHz on LINPUT1 to ADC

116

via single-ended MIC

PGA & boost

Channel Matching

1kHz signal

0.2

MAX

-80

-80

UNIT

dB

%

dB

dB

%

dB

%

dB

dB

%

dB

%

dB

dB

dB

dB

dB

dB

dB

dB

dB

w

PD, August 2013, Rev 4.2

7

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