CS5530-ISZ datasheet(5/36 Pages) CIRRUS

5 / 36 page

CS5530

DS742F2

ANALOG CHARACTERISTICS (Continued)

(See Notes 1 and 2.)

Notes: 5. See the section of the data sheet which discusses input models.

6. Input current on VREF+ or VREF- may increase to 250 nA if operated within 50 mV of VA+ or VA-. This

is due to the rough charge buffer being saturated under these conditions.

Parameter

Min

Typ

Max

Unit

Analog Input

Common Mode + Signal on AIN+ or AIN-

Bipolar/Unipolar Mode

(VA-) + 1.6

(VA+) - 1.6

CVF Current on AIN+ or AIN-

1200

Input Current Noise

pA/

√Hz

Open Circuit Detect Current

100

300

Common Mode Rejection

50, 60 Hz

130

120

Input Capacitance

Voltage Reference Input

Range

(VREF+) - (VREF-)

2.5

(VA+)-(VA-)

CVF Current

(Note 5, 6)

Common Mode Rejection

50, 60 Hz

120

Input Capacitance

System Calibration Specifications

Full-scale Calibration Range

Bipolar/Unipolar Mode

110

%FS

Offset Calibration Range

Bipolar Mode

-100

100

%FS

Offset Calibration Range

Unipolar Mode

-90

%FS

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