CS5371 Просмотр технического описания (PDF) - Cirrus Logic
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CS5371 Datasheet PDF : 22 Pages
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CS5371/CS5372
1. CHARACTERISTICS/SPECIFICATIONS
ANALOG CHARACTERISTICS Notes:TA = -40 °C to +85 °C; VA+ = 2.5 V ± 5%; VA- = -2.5 V ± 5%;
VD = 3 V ± 5%; DGND = 0 V; MCLK = 2.048 MHz; LPWR = 0; VREF+/- = 2.5V (VREF- = -2.5 V; VREF+ = 0 V);
Devices are connected as shown in Figure 3, the System Connection Diagram, unless otherwise specified.
CS5371-BS / CS5372-BS
Parameter
Symbol
Min
Typ
Max
Specified Temperature Range
Dynamic Performance
TA
-40
-
+85
Dynamic Range
(Note 1) SNR
OFST = 1
0 Hz to 1644 Hz
-
109
-
0 Hz to 822 Hz
-
121
-
0 Hz to 411 Hz
121
124
-
0 Hz to 206 Hz
-
127
-
0 Hz to 103 Hz
-
130
-
0 Hz to 51.5 Hz
-
133
-
0 Hz to 25.75 Hz
-
136
-
Total Harmonic Distortion
(Note 2) THD
-
-118
-112
Intermodulation Distortion
(Note 3) IMD
-
-115
-
DC Accuracy
Channel to Channel Gain Variation
CGV
-
1
-
Full Scale Error
(Note 4) FSE
-
1
-
Full Scale Drift
(Notes 4 and 5) TCFS
-
5
-
Offset
(Notes 4) VZSE
-
1
-
Offset after Calibration
(Note 6)
-
±1
-
Offset Calibration Range
(Note 7)
-
100
-
Offset Drift
(Notes 4 and 5) TCZSE
-
1
-
Notes: 1. Dynamic Range defined as 20log( (RMS full scale) / (RMS idle noise) )
Unit
°C
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
%
ppm/°C
mV
µV
%F.S.
µV/°C
2. Tested with full scale input signal of 31.25 Hz; OWR = 1000 sps; OFST = 0 or OFST = 1.
3. Characterized with input signals of 31.25 Hz and 52.63 Hz, each 6 dB down from full scale, OWR =
1000 sps.
4. Specification is for the parameter over the specified temperature range and is for the CS5371/CS5372
devices only and does not include the effects of external components.
5. Specifications are guaranteed by design and/or characterization.
6. The offset after calibration specification applies to the effective offset voltage for a full scale input to the
CS5371/CS5372 modulator, but is measured from the output digital codes from the CS5376.
7. The CS5371/CS5372 offset calibration is performed digitally and includes full scale range. Calibration
offsets greater than ± 5% of full scale will begin to subtract from the dynamic range.
DS255PP2
3
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