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CS5525-BP

16-Bit/20-Bit Multi-Range ADC with 4-Bit Latch

Cirrus Logic 

CS5525 CS5526

DYNAMIC CHARACTERISTICS

Parameter

Modulator Sampling Frequency

Filter Settling Time to 1/2 LSB (Full Scale Step)

Symbol

fs

ts

Ratio

XIN/2

1/fout

Unit

Hz

s

RECOMMENDED OPERATING CONDITIONS (AGND, DGND = 0 V; See Note 14.))

Parameter

Symbol

Min

Typ

Max Unit

DC Power Supplies

Positive Digital

Positive Analog

VD+

VA+

2.7

5.0

5.25

V

4.75

5.0

5.25

V

Analog Reference Voltage

(VREF+) - (VREF-) VRefdiff

1.0

2.5

3.0

V

Negative Bias Voltage

NBV

-1.8

-2.1

-2.5

V

Notes: 14. All voltages with respect to ground.

ABSOLUTE MAXIMUM RATINGS (AGND, DGND = 0 V; See Note 14.)

DC Power Supplies

Parameter

Negative Bias Voltage

Input Current, Any Pin Except Supplies

Output Current

Power Dissipation

Analog Input Voltage

Digital Input Voltage

Ambient Operating Temperature

Storage Temperature

(Note 15)

Positive Digital

Positive Analog

Negative Potential

(Note 16 and 17)

(Note 18)

VREF pins

AIN Pins

Symbol

VD+

VA+

NBV

IIN

IOUT

PDN

VINR

VINA

VIND

TA

Tstg

Min

-0.3

-0.3

+0.3

-

-

-

-0.3

NBV - 0.3

-0.3

-40

-65

Max

Unit

+6.0

V

+6.0

V

-3.0

V

±10

mA

±25

mA

500

mW

(VA+) + 0.3 V

(VA+) + 0.3 V

(VD+) + 0.3 V

85

°C

150

°C

Notes: 15. No pin should go more negative than NBV - 0.3 V.

16. Applies to all pins including continuous overvoltage conditions at the analog input (AIN) pins.

17. Transient current of up to 100 mA will not cause SCR latch-up. Maximum input current for a power

supply pin is ±50 mA.

18. Total power dissipation, including all input currents and output currents.

WARNING: Operation at or beyond these limits may result in permanent damage to the device.

Normal operation is not guaranteed at these extremes.

DS202F3

5

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