ADUCM3029BCBZ-R7 datasheet(7/39 Pages) AD

7 / 39 page

Data Sheet

ADuCM3027/ADuCM3029

Rev. B | Page 7 of 39

ADC SPECIFICATIONS

Table 7.

Parameter1, 2

Min

Typ3

Max

Unit

Test Conditions/Comments

INTEGRAL NONLINEARITY ERROR

64-Lead LFCSP

±1.6

LSB

1.8 V (VBAT)/1.25 V (internal/external VREF)4

64-Lead LFCSP

±1.4

LSB

3.0 V (VBAT)/2.5 V (internal/external VREF)4

54-Ball WLCSP

±1.8

LSB

1.8 V (VBAT)/1.25 V (internal/external VREF)4

DIFFERENTIAL NONLINEARITY ERROR

64-Lead LFCSP

−0.7 to +1.15

LSB

1.8 V (VBAT)/1.25 V (internal/external VREF)4

64-Lead LFCSP

−0.7 to +1.1

LSB

3.0 V (VBAT)/2.5 V (internal/external VREF)4

54-Ball WLCSP

−0.75 to +1.2

LSB

1.8 V (VBAT)/1.25 V (internal/external VREF)4

OFFSET ERROR

64-Lead LFCSP

±0.5

LSB

1.8 V (VBAT)/1.25 V (external VREF)4

64-Lead LFCSP

±0.5

LSB

3.0 V (VBAT)/2.5 V (external VREF)4

54-Ball WLCSP

±0.5

LSB

1.8 V (VBAT)/1.25 V (external VREF)4

GAIN ERROR

64-Lead LFCSP

±2.5

LSB

1.8 V (VBAT)/1.25 V (external VREF)4

64-Lead LFCSP

±0.5

LSB

3.0 V (VBAT)/2.5 V (external VREF)4

54-Ball WLCSP

±3.0

LSB

1.8 V (VBAT)/1.25 V (external VREF)4

VBAT_ADC CURRENT (IVBAT_ADC)5

64-Lead LFCSP

104

μA

1.8 V (VBAT)/1.25 V (internal VREF)6

64-Lead LFCSP

131

μA

3.0 V (VBAT)/2.5 V (internal VREF)6

54-Ball WLCSP

108

μA

1.8 V (VBAT)/1.25 V (internal VREF)6

INTERNAL REFERENCE VOLTAGE

1.25

Internal reference, 1.25 V selected

2.50

Internal reference, 2.5 V selected

INTEGRAL NONLINEARITY ERROR

64-Lead LFCSP

1.22

1.25

1.275

1.25 V (internal)7

64-Lead LFCSP

2.45

2.5

2.545

2.5 V (internal)

54-Ball WLCSP

1.22

1.25

1.275

1.25 V (internal)

54-Ball WLCSP

2.45

2.5

2.545

2.5 V (internal)

ADC SAMPLING FREQUENCY (fS)8

0.01

1.8

MSPS

1 The ADC is characterized in standalone mode without core activity and minimal or no switching on the adjacent ADC channels and digital inputs/outputs.

2 The specifications are characterized after performing internal ADC offset calibration.

3 TJ = 25°C.

4 fIN = 1068 Hz, fS = 100 kSPS, internal reference in low power mode, 400,000 samples end point method used.

5 Current consumption from VBAT_ADC supply when ADC is performing the conversion.

6 fIN = 1068 Hz, fS = 100 kSPS, internal reference in low power mode.

7 No load current, CL = 0.1 μF and 4.7 μF, reference buffer low power mode is enabled.

8 Effects of analog source impedance must be considered when selecting ADC sampling frequency.

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