C0402C225M9PAC 查看數據表（PDF） - Wolfson Microelectronics plc
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C0402C225M9PAC Datasheet PDF : 178 Pages
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WM8903
INPUT SIGNAL PATH
Single-ended stereo line record - IN1L+IN1R pins to ADC output
Test conditions:
L_MODE = R_MODE = 00b (Single ended)
LIN_VOL = RIN_VOL = 00000b (-1.55dB)
Total signal path gain = 4.45dB, incorporating 6dB single-ended to differential conversion gain
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
Full Scale Input Signal Level (for
ADC 0dBFS).
0.570
-4.88
0.600
-4.45
1.61
1.70
Input Resistance
Input Capacitance
DC Offset
Rin
10
12
Cin
10
At ADC output with
11864
ADC_HPF_ENA=0
47
Signal to Noise Ratio
SNR
A-weighted
85
91
Total Harmonic Distortion
THD
-5.45dBV input
-78
Total Harmonic Distortion + Noise
THD+N
-5.45dBV input
-76
Channel Separation
1kHz signal, -5.45dBV
85
10kHz signal, -5.45dBV
80
Channel Level Matching
1kHz signal, -5.45dBV
+/-1
Power Supply Rejection Ratio
PSRR
1kHz, 100mVpk-pk
60
20kHz, 100mV pk-pk
40
Production Data
MAX
0.630
-4.01
1.78
-68
-66
UNIT
Vrms
dBV
Vpk-pk
k
pF
LSBs (24-bit)
LSBs (16-bit)
dBFS
dBFS
dBFS
dB
dB
dB
Differential stereo line record - IN2L+IN3L / IN2R+IN3R pins to ADC output
Test conditions:
L_MODE = R_MODE = 01b (Differential Line)
LIN_VOL = RIN_VOL = 01111b (+4.2dB)
Total signal path gain = +4.20dB
PARAMETER
SYMBOL
Differential Line Input full scale
signal level IN2L-IN3L or IN2R-
IN3L (for ADC 0dBFS output)
Input Resistance
Rin
Input Capacitance
Cin
DC Offset
Signal to Noise Ratio
Total Harmonic Distortion
Total Harmonic Distortion + Noise
Common Mode Rejection Ratio
Channel Separation
SNR
THD
THD+N
CMRR
Channel Level Matching
Power Supply Rejection Ratio
PSRR
TEST CONDITIONS
At ADC output with
ADC_HPF_ENA=0
A-weighted
-5.2dBV input
-5.2dBV input
1kHz, 100mV pk-pk
1kHz signal, -5.2dBV
10kHz signal, -5.2dBV
1kHz signal, -5.2dBV
1kHz, 100mVpk-pk
20kHz, 100mV pk-pk
MIN
0.586
-4.64
1.657
10
85
TYP
0.617
-4.20
1.745
12
10
11864
47
92
-80
-78
60
85
80
+/-1
60
40
MAX
0.648
-3.77
1.833
-66
-64
UNIT
Vrms
dBV
Vpk-pk
k
pF
LSBs (24-bit)
LSBs (16-bit)
dBFS
dBFS
dBFS
dB
dB
dB
dB
w
PD, Rev 4.5, June 2012
10
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