WM9713 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM9713

AC’97 Audio + Touchpanel CODEC

Wolfson Microelectronics plc 

Pre-Production

WM9713L

AUDIO INPUTS

Test Conditions

DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, TA = +25oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated.

PARAMETER

SYMBOL TEST CONDITIONS

LINEL/R, MIC1/2A/2B and MONOIN pins

Full Scale Input Signal Level

(0dBFS)

VINFS

AVDD = 3.3V

AVDD = 1.8V

differential input mode

(MS = 01) AVDD = 3.3V

differential input mode

(MS = 01) AVDD = 1.8V

Input Resistance

RIN

0dB PGA gain

12dB PGA gain

Input Capacitance

Line input to ADC (LINEL, LINER, MONOIN)

Signal to Noise Ratio

SNR

(A-weighted)

Total Harmonic Distortion

THD

-3dBFS input

Power Supply Rejection

PSRR

20Hz to 20kHz

Microphone input to ADC (MIC1/2A/2B pins)

Signal to Noise Ratio

SNR

20dB boost enabled

(A-weighted)

Total Harmonic Distortion

THD

20dB boost enabled

MIN

25.6

10.4

80

TYP

1.0

0.545

0.5

0.273

32

13

5

87

-86

50

80

-80

MAX

UNIT

Vrms

38.4

kΩ

15.6

pF

dB

-80

dB

dB

dB

dB

AUXILIARY MONO DAC (AUXDAC)

Test Conditions

DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, TA = +25oC, 1kHz signal, fs = 8kHz, 24-bit audio data unless otherwise stated.

PARAMETER

Resolution

Full scale output voltage

Signal to Noise Ratio

(A-weighted)

Total Harmonic Distortion

SYMBOL TEST CONDITIONS

MIN

SNR

AVDD=3.3V

THD

TYP

12

1

TBD

TBD

MAX

UNIT

bits

Vrms

dB

dB

PCM VOICE DAC (VXDAC)

Test Conditions

DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, TA = +25oC, 1kHz signal, fs = 8kHz, 24-bit audio data unless otherwise stated.

PARAMETER

Resolution

Sample rates

Full scale output voltage

Signal to Noise Ratio

(A-weighted)

Total Harmonic Distortion

SYMBOL TEST CONDITIONS

MIN

SNR

THD

AVDD=3.3V

TYP

MAX

UNIT

16

bits

8

16

Ks/s

1

Vrms

80

dB

74

dB

w

PP Rev 3.0 June 2006

9

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