CS5503-AS datasheet(2/54 Pages) CIRRUS

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CS5501 ANALOG CHARACTERISTICS (TA = TMIN to TMAX; VA+, VD+ = 5V;

VA-, VD- = -5V; VREF = 2.5V; CLKIN = 4.096MHz; Bipolar Mode; MODE = +5V; Rsource = 750

Ω with a 1nF

to AGND at AIN (see Note 1); Digital Inputs: Logic 0 = GND; Logic 1 = VD+; unless otherwise specified.)

CS5501-A, B, C

CS5501-S, T

Parameter*

Min

Typ

Max

Min

Typ

Max

Units

Specified Temperature Range

-40 to +85

-55 to +125

°C

Accuracy

Linearity Error

-A, S

-B, T

-C

0.0015

0.0007

0.0003

0.003

0.0015

0.0012

0.0007

0.003

0.0015

±%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

-25.0

-LSB16

Bipolar Offset

(Note 2)

±0.25

±1

±0.25

±1

LSB16

Bipolar Offset Drift

(Note 3)

±2.1

+1.5

-12.5

-LSB16

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

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

0.26

0.0004

0.13

0.0002

0.50

0.0008

0.26

0.0004

1.00

0.0015

0.50

0.0008

2.00

0.0030

1.00

0.0015

152

4.00

0.0061

2.00

0.0030

CS5501 Unit Conversion Factors, VREF = 2.5V

* Refer to the Specification Definitions immediately following the Pin Description Section.

CS5501/CS5503

DS31F2

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