CS5374 データシートの表示（PDF） - Cirrus Logic
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CS5374 Datasheet PDF : 44 Pages
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CS5374
DS862F1
PERFORMANCE SPECIFICATIONS
Parameter
Symbol Min
Typ
Amplifier Noise
Voltage Noise
f0 = 0.1 Hz to 10 Hz VNPP
-
1.5
Voltage Noise Density
f0 = 200 Hz to 2 kHz VND
-
11
Current Noise Density
Channel Dynamic Range
IND
-
20
Dynamic Range
(1/4 ms) DC to 1720 Hz SNR
-
105
(1x Gain, Multiple OWRs) (1/2 ms) DC to 860 Hz
-
120
(Note 9, 12)
(1 ms) DC to 430 Hz
121
123
(2 ms) DC to 215 Hz
-
126
(4 ms) DC to 108 Hz
-
129
(8 ms) DC to 54 Hz
-
131
(16 ms) DC to 27 Hz
-
135
Dynamic Range
(Multiple Gains, 1 ms OWR)
(Note 9, 12)
1x SNR
121
123
2x
-
122
3x
-
120
8x
-
116
16x
-
111
32x
-
105
64x
-
98
Channel Distortion
Total Harmonic Distortion
(Note 13)
1x
-
-118
2x
-
-119
4x
-
-119
8x THD
-
-119
16x
-
-118
32x
-
-115
64x
-
-112
CS5374
Max
3
14
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-108
-
-
-
-
-
-
Unit
μVpp
nV/ Hz
fA/ Hz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Notes: 12. Dynamic Range defined as 20 log [(RMS full scale) / (RMS idle noise)] where idle noise is measured
with the amplifier input terminated. Dynamic Range is dominated by high-frequency quantization noise
at the 1/4 ms rate and amplifier noise at high gain.
13. Tested with a 31.25 Hz sine wave at 1 ms sampling rate and -1 dB amplitude.
CS5374 Amplifier In-Band Noise
20
CS5374 Amplifier Wide Band Noise
400
15
300
10
200
5
100
0
0 200 400 600 800 1000 1200 1400 1600 1800 2000
Frequency (Hz)
0
0.1
1
10
100
1k
10k 100k 1M
Frequency (Hz)
Figure 2. CS5374 Amplifier Noise Performance
DS862F1
7
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