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WM8962B Datasheet(PDF) 12 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) 12 Page - Wolfson Microelectronics plc

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WM8962
12
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
Analogue Inputs (IN2L, IN2R) to ADC out via Input Gain (Input PGA Bypassed)
Signal to Noise Ratio
(A-weighted)
SNR
ADC_HP=0
MIXIN_BIAS=100
INPGA_BIAS=100
‘Option 1’ (low power) bias
settings - see Note 2.
91
dB
Total Harmonic Distortion Plus
Noise (-1dBFS input)
THD+N
-70
dB
Signal to Noise Ratio
(A-weighted)
SNR
ADC_HP=0
MIXIN_BIAS=011
INPGA_BIAS=100
‘Option 2’ bias settings -
see Note 2.
91
dB
Total Harmonic Distortion Plus
Noise (-1dBFS input)
THD+N
-75
dB
Signal to Noise Ratio
(A-weighted)
SNR
ADC_HP=0
MIXIN_BIAS=000
INPGA_BIAS=100
‘Option 3’ bias settings -
see Note 2.
91
dB
Total Harmonic Distortion Plus
Noise (-1dBFS input)
THD+N
-85
dB
Signal to Noise Ratio
(A-weighted)
SNR
ADC_HP=1
MIXIN_BIAS=000
INPGA_BIAS=000
‘Option 4’ (high performance)
bias settings - see Note 2.
94
dB
Total Harmonic Distortion Plus
Noise (-1dBFS input)
THD+N
-85
dB
ADC Channel Separation
1kHz
95
dB
10kHz
87
PSRR (AVDD)
100mV(peak-peak) 1kHz
60
dB
100mV(peak-peak) 20kHz
40
Analogue Inputs (IN4L, IN4R) to HPOUTL/R (used as Line output) with 10k
 / 50pF load:
Low Power headphone playback mode (Note 3)
Input Resistance
+6dB PGA gain
10
kΩ
0dB PGA gain
17
-15dB PGA gain
80
Signal to Noise Ratio
(A-weighted)
SNR
97
dB
Total Harmonic Distortion Plus
Noise
THD+N
10k
, 50pF load
-80
dB



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