CS5501-AP Просмотр технического описания (PDF) - Cirrus Logic
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CS5501-AP Datasheet PDF : 54 Pages
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CS5501/CS5503
CS5501 ANALOG CHARACTERISTICS (TA = TMIN to TMAX; VA+, VD+ = 5V;
VA-, VD- = -5V; VREF = 2.5V; CLKIN = 4.096MHz; Bipolar Mode; MODE = +5V; Rsource = 750Ω with a 1nF
to AGND at AIN (see Note 1); Digital Inputs: Logic 0 = GND; Logic 1 = VD+; unless otherwise specified.)
Parameter*
CS5501-A, B, C
Min Typ Max
CS5501-S, T
Min Typ Max
Units
Specified Temperature Range
-40 to +85
-55 to +125
°C
Accuracy
Linearity Error
-A, S -
0.0015 0.003
-
-
0.003 ±%FS
-B, T -
0.0007 0.0015
-
0.0007 0.0015 ±%FS
-C -
0.0003 0.0012
±%FS
Differential Nonlinearity
TMIN to TMAX -
±1/8 ±1/2
-
±1/8 ±1/2 LSB16
Full Scale Error
(Note 2) -
±0.13 ±0.5
-
±0.13 ±0.5 LSB16
Full Scale Drift
(Note 3) -
±1.2
-
-
±2.3
-
LSB16
Unipolar Offset
(Note 2) -
±0.25 ±1
-
±0.25
±1
LSB16
Unipolar Offset Drift
(Note 3) -
±4.2
-
-
+3.0
-
LSB16
-25.0
Bipolar Offset
(Note 2) -
±0.25 ±1
-
±0.25
±1
LSB16
Bipolar Offset Drift
(Note 3) -
±2.1
-
-
+1.5
-
LSB16
-12.5
Bipolar Negative Full Scale Error (Note 2) -
±0.5
±2
-
±0.5
±2 LSB16
Bipolar Negative Full Scale Drift (Note 3) -
±0.6
-
-
±1.2
-
LSB16
Noise (Referred to Output)
-
1/10
-
-
1/10
- LSBrms
Notes:
1. The AIN pin presents a very high input resistance at dc and a minor dynamic load which scales to the
master clock frequency. Both source resistance and shunt capacitance are therefore critical in
determining the CS5501’s source impedance requirements. For more information refer the text section
Analog Input Impedance Considerations.
2. Applies after calibration at the temperature of interest.
3. Total drift over the specified temperature range since calibration at power-up at 25°C (see Figure 11).
This is guaranteed by design and /or characterization. Recalibration at any temperature will remove
these errors.
Unipolar Mode
Bipolar Mode
µV LSB’s %FS ppm FS LSB’s %FS ppm FS
10 0.26 0.0004 4 0.13 0.0002 2
19 0.50 0.0008 8 0.26 0.0004 4
38 1.00 0.0015 15 0.50 0.0008 8
76 2.00 0.0030 30 1.00 0.0015 15
152 4.00 0.0061 61 2.00 0.0030 30
CS5501 Unit Conversion Factors, VREF = 2.5V
* Refer to the Specification Definitions immediately following the Pin Description Section.
2
DS31F2
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