DA6502.008

29 November 2012

4 (20)

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Resolution

16

Bit

OSR=512

ISR = 325 mV

ISR = 100 mV

Note 1.

5

1.5

µV

Noise (one sigma)

OSR=512, ISR = 325 mV

3.4

0.68

LSB

Accuracy

ISRLIN = 260 mV

±20

µV

Integral Nonlinearity

INL

OSR=512, VDD = 2.35V,

ISRLIN = 260 mV

ISRLIN = 100 mV

Note 2.

±2.7

±6.2

±6

1)

±14

1)

LSB

VDD Sensitivity in

Pressure Mode

VDDSENSP

Pressure mode, OSR=512,

VDD step 3.6V ⇒ 2.0V

±15

±40

LSB

VDD Sensitivity in

Temperature Mode

VDDSENST

Temperature mode, OSR=512,

VDD step 3.6V ⇒ 2.0V

±80

±150

LSB

Linearity in Bits

LIN

OSR=512

OSR=256

OSR=128

OSR=64

Note 3.

14

13

12

10

Bit

Input Signal Range

ISR

325

220

150

100

mV

Linear Input Signal

Range

ISRLIN

10%...90% range (80%) of ISR

260

176

120

80

mV

Input Signal Offset

OFFSET

+33mV selection

No offset selection

33

0

mV

Output Code Values

CODE

OSR=512

OSR=256

OSR=128

OSR=64

0

0

0

0

65152

32385

8001

1953

Linear Range Output

Code Values

(10%...90% of Whole

Code Range)

OSR=512

OSR=256

OSR=128

OSR=64

6515

3239

800

195

58637

29147

7201

1758

1)

Guaranteed by design

Note 1. ISR (ISRLIN) and OSR refer to the ADC control register bits, see table 2 on page 8.

Note 2. Integral nonlinearity calculated from best fit line to linear input signal range containing 21pcs analysis points

.