SAADC Electrical Specification

nRF5340 Product Specification

Symbol Description Min. Typ. Max. Units
DNL10

Differential non-linearity, 10-bit resolution

-0.9 <1 LSB10b
INL10

Integral non-linearity, 10-bit resolution

±1 LSB10b
VOS

Differential offset error (calibrated), 10-bit resolution 1

±2 LSB10b
DNL12

Differential non-linearity, 12-bit resolution

-0.9 1.3 LSB12b
INL12

Integral non-linearity, 12-bit resolution

3.7 LSB12b
EVDDHDIV5

Error on VDDHDIV5 input

±1 %
CEG

Gain error temperature coefficient

0.02 %/◦C
fSAMPLE

Maximum sampling rate

200 kHz
tACQ,10k

Acquisition time (configurable), source Resistance ≤ 10 kΩ

3 µs
tACQ,40k

Acquisition time (configurable), source Resistance ≤ 40 kΩ

5 µs
tACQ,100k

Acquisition time (configurable), source Resistance ≤ 100 kΩ

10 µs
tACQ,200k

Acquisition time (configurable), source Resistance ≤ 200 kΩ

15 µs
tACQ,400k

Acquisition time (configurable), source Resistance ≤ 400 kΩ

20 µs
tACQ,800k

Acquisition time (configurable), source Resistance ≤ 800 kΩ

40 µs
tCONV

Conversion time

2 µs
EG1/6

Error2 for Gain = 1/6

-3 3 %
EG1/4

Errorb for Gain = 1/4

-3 3 %
EG1/2

Errorb for Gain = 1/2

-3 4 %
EG1

Errorb for Gain = 1

-3 4 %
CSAMPLE

Sample and hold capacitance at maximum gain3

2.5 pF
RINPUT

Input resistance

>1 MΩ
ENOB

Effective number of bits, differential mode, 12-bit resolution, 1/1 gain, 3 µs acquisition time, HFXO, 32 ksps, Fin = 3 kHz

9.8 Bit
SNDR

Peak signal to noise and distortion ratio, differential mode, 12-bit resolution, 1/1 gain, 3 µs acquisition time, HFXO, 32 ksps, Fin = 3 kHz

61 dB
SFDR

Spurious free dynamic range, differential mode, 12-bit resolution, 1/1 gain, 3 µs acquisition time, HFXO, 32 ksps, Fin = 3 kHz

73 dBc
RLADDER

Ladder resistance

160 kΩ
1 Digital output code at zero volt differential input.
2 Temperature drift is not included.
3 Maximum gain corresponds to highest capacitance.