CS5529-AP datasheet(23/30 Pages) CIRRUS

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CS5529

DS246F1

Power Supply Arrangements

The CS5529 is designed to operate from single or

dual analog supplies and a single digital supply.

The following power supply connections are possi-

ble:

VA+ = +5 V; VA- = 0 V; VD+ = +3 V to +5 V

VA+ = +2.5 V; VA- = -2.5 V; VD+ = +3 V to +5 V.

Figure 10 illustrates the CS5529 connected with a

single +5 V supply to measure differential inputs

relative to a common mode of 2.5 V. Figure 11 il-

Figure 10. CS5529 Configured with a +5.0 V Analog Supply.

XOUT

VD+

VA+

VREF+

VREF-

DGND

AIN+

SCLK

SDO

SDI

CS5529

XIN

+5.0 V

Analog

Supply

213

Optional Clock

Source

Serial

Data

Interface

32.768 kHz ~ 100 kHz

AIN-

VA-

±5 V Differential Inputs (Gain Register = 1.0)

±2.5 V Differential Inputs (Gain Register = 2.0)

±1.25 V Differential Inputs (Gain Register = 4.0)

Logic Outputs:

A0, A1 Switch from VA+ to VA-

D0-D3 Switch from VD+ to DGND

Common Mode = 0 to VA+

0.1

µF

0.1

µF

Ω

Figure 11. CS5529 Configured with ±2.5 V Analog Supplies.

XOUT

VD+

VA+

VREF+

VREF-

DGND

AIN+

SCLK

SDO

SDI

CS5529

XIN

+2.5 V

Analog

Supply

213

Optional Clock

Source

Serial

Data

Interface

32.768 kHz ~ 100 kHz

AIN-

VA-

-2.5 V

Analog

Supply

±2.5 V Differential Inputs (Gain Register = 1.0)

±1.25 V Differential Inputs (Gain Register = 2.0)

±625 mV Differential Inputs (Gain Register = 4.0)

+3 V ~ +5 V

Digital

Supply

Logic Outputs:

A0, A1 Switch from VA+ to VA-

D0-D3 Switch from VD+ to DGND

0.1

µF

0.1

µF

0.1

µF

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