ATSAMB11XR datasheet(50/87 Pages) MICROCHIP

50 / 87 page

Parameter

Condition

Min.

Typ.

Max.

Unit

INL(2)

100 KSPS. Internal VREF=1.6V. Same

result for external VREF.

-2

+2.5

LSB

THD

1 kHz sine input at 100 KSPS

SINAD

1 kHz sine input at 100 KSPS

62.5

SFDR

1 kHz sine input at 100 KSPS

73.7

Conversion time

cycles

Current consumption

Using external VREF, at 100 KSPS

13.5

µA

Using internal VREF, at 100 KSPS

25.0

µA

Using external VREF, at 1 MSPS

µA

Using internal VREF, at 1MSPS

150

µA

Using internal VREF, during VBAT

monitoring

100

µA

Using internal VREF, during temperature

monitoring

µA

Internal reference voltage

Mean value using VBAT = 2.5V

1.026 (1)

Standard deviation across parts

10.5

VBAT Sensor Accuracy

Without calibration

-55

+55

With offset and gain calibration

-17

+17

Temperature Sensor

Accuracy

Without calibration

-9

ºC

With offset calibration

-4

ºC

Note:

Effective VREF is 2xInternal Reference Voltage.

These values are characterized for 0x4000F404<28:29>: 0x03 and with Vin in the range 0.25 VBAT

to 0.75 VBAT. If Vin is to be used beyond this range, configure 0x4000F404<28:29> with value =

0x00.

10.8

ADC Typical Characteristics

TC = 25ºC and VBAT = 3.0V, unless otherwise noted.

ATSAMB11XR/ZR

Datasheet Preliminary

DS70005342A-page 50

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