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WM1811A датащи(PDF) 18 Page - Wolfson Microelectronics plc

номер детали WM1811A
подробное описание детали  Multi-Channel Audio Hub CODEC for Smartphones
PDF  328 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM1811A датащи(HTML) 18 Page - Wolfson Microelectronics plc

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WM1811A
Production Data
w
PD, November 2013, Rev 4.1
18
ADC INPUT PATH PERFORMANCE
Test Conditions
AVDD1=3.0V (powered from LDO1), DCVDD=1.05V (powered from LDO2), AVDD2=DBVDD1=DBVDD2=DBVDD3=CPVDD=1.8V,
LDO1VDD=SPKVDD1=SPKVDD2=5V, DGND=AGND=CPGND=SPKGND1=SPKGND2=HP2GND=0V,
TA = +25
oC, 1kHz sinusoidal signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
D1
Line Inputs to ADC via MIXINL and MIXINR
SNR
A-weighted
94
dB
THD
-1dBV input
-83
dB
THD+N
-1dBV input
-81
dB
Channel Separation
(L/R)
-100
dB
PSRR
(SPKVDDn, LDO1VDD)
100mV (pk-pk)
217Hz
92
dB
PSRR (AVDD2, CPVDD,
DBVDDn)
100mV (pk-pk)
217Hz
94
dB
D2
Record Path (DACs to ADCs via MIXINL and MIXINR)
SNR
A-weighted
92
dB
THD
-1dBFS input
-74
dB
THD+N
-1dBFS input
-72
dB
Channel Separation
(L/R)
-95
dB
PSRR
(SPKVDDn, LDO1VDD)
100mV (pk-pk)
217Hz
97
dB
PSRR (AVDD2, CPVDD,
DBVDDn)
100mV (pk-pk)
217Hz
94
dB
D3
Input PGAs to ADC via MIXINL or MIXINR
SNR
A-weighted
-
+
0dB
MIXINL or
MIXINR
IN1L, IN2L,
IN1R or IN2R
(Single-ended or
differential mode)
IN1LN, IN2LN,
IN1RN or IN2RN
IN1LP, IN2LP,
IN1RP or IN2RP
+
ADCL or
ADCR
84
95
dB
THD
-1dBV input
-82
-72
dB
THD+N
-1dBV input
-80
-70
dB
Channel Separation
(L/R)
-100
dB
PSRR
(SPKVDDn, LDO1VDD)
100mV (pk-pk)
217Hz
100
dB
PSRR (AVDD2, CPVDD,
DBVDDn)
100mV (pk-pk)
217Hz
95
dB
CMRR
Input PGA=-16.5dB
1V (pk-pk) 217Hz
49
dB
Input PGA = 0dB
1V (pk-pk) 217Hz
58
Input PGA = +30dB
1V (pk-pk) 217Hz
73
Note that the Input PGA gain is controlled using the INnx_VOL registers.



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