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WM8962B Datasheet(PDF) 16 Page - Wolfson Microelectronics plc

Part # WM8962B
Description  Ultra-Low Power Stereo CODEC with Audio Enhancement DSP, 1W Stereo Class D Speaker Drivers and Ground Referenced Headphone Drivers
PDF  295 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8962B Datasheet(HTML) 16 Page - Wolfson Microelectronics plc

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WM8962
16
Rev 4.3
Test Conditions
MICVDD = DCVDD = DBVDD = CPVDD = AVDD = PLLVDD = 1.8V, SPKVDD1 = SPKVDD2 = 5V.
TA = +25
oC, 1kHz signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SPKOUTL/R_VOL
Minimum programmable gain
-68
dB
Maximum programmable gain
6
dB
Volume Gain Step Size
Guaranteed monotonic
1
dB
Mute Attenuation
92
dB
DAC to Stereo Speaker Outputs (DAC to SPKOUTLP, SPKOUTLN, SPKOUTRP, SPKOUTRN with 8
 + 22µH bridge tied
load)
Output Power
PO
1% THD+N, RL = 8,
SPKVDD1=SPKVDD2=5.5V
1.26
W
1% THD+N, RL = 8,
SPKVDD1=SPKVDD2=1.7V
0.08
Total Harmonic Distortion Plus
Noise
THD+N
PO =200mW, RL = 8,
SPKVDD1=SPKVDD2=3.3V
-68
0.040
dB
%
PO =320mW, RL = 8,
SPKVDD1=SPKVDD2=3.3V
-72
0.025
PO =320mW, RL = 8,
SPKVDD1=SPKVDD2=5V
-67
0.045
-55
PO =1W, RL = 8,
SPKVDD1=SPKVDD2=5V,
CLASSD_VOL=110
DACL/R_VOL=C1h
-61
0.089
Signal to Noise Ratio
(A-weighted)
(DAC to speaker outputs)
SNR
SPKVDD1=SPKVDD2=3.3V,
RL = 8,
Output signal =2.0Vrms
90
dB
SPKVDD1=SPKVDD2=5V,
RL = 8,
Output signal=2.8Vrms
83
93
PSRR (SPKVDD1/SPKVDD2)
PSRR
100mV(peak-peak) 217Hz
78
dB
100mV(peak-peak) 1kHz
78



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