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WM8962B Scheda tecnica(PDF) 11 Page - Wolfson Microelectronics plc

Il numero della parte WM8962B
Spiegazioni elettronici  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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Produttore elettronici  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8962B Scheda tecnica(HTML) 11 Page - Wolfson Microelectronics plc

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WM8962
Rev 4.3
11
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 (IN1L, IN1R) to ADC out via Input PGA and Input Gain Boost
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.
81
91
dB
Total Harmonic Distortion Plus
Noise (-1dBFS input)
THD+N
-82
-72
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.
93
dB
Total Harmonic Distortion Plus
Noise (-1dBFS input)
THD+N
-82
dB
ADC Channel Separation
1kHz
95
dB
10kHz
97
PSRR (AVDD)
100mV(peak-peak) 1kHz
60
dB
100mV(peak-peak) 20kHz
40
Channel Matching
1kHz signal
+/-0.5
dB



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