Datasheet

Table Of Contents
DS13105 Rev 4 119/135
STM32WLE5J8/JB/JC Electrical characteristics
127
.
Table 80. DAC accuracy
(1)
Symbol Parameter Conditions Min Typ Max Unit
DNL
Differential non
linearity
(2)
DAC output buffer ON - - ±2
LSB
DAC output buffer OFF - - ±2
- Monotonicity 10 bits Guaranteed
INL Integral non linearity
(3)
DAC output buffer ON, CL 50 pF, RL 5 k --±4
DAC output buffer OFF, CL 50 pF, no RL - - ±4
Offset
Offset error at code
0x800
(3)
DAC output buffer ON
CL 50 pF, RL 5 k
V
REF+
= 3.6 V - - ±12
V
REF+
= 1.8 V - - ±25
DAC output buffer OFF, CL 50 pF, no RL - - ±8
Offset1
Offset error at code
0x001
(4)
DAC output buffer OFF, CL 50 pF, no RL - - ±5
OffsetCal
Offset Error at code
0x800 after calibration
DAC output buffer ON
CL 50 pF, RL 5 k
V
REF+
= 3.6 V - - ±5
V
REF+
= 1.8 V - - ±7
Gain Gain error
(5)
DAC output buffer ON, CL 50 pF, RL 5 k --±0.5
%
DAC output buffer OFF, CL 50 pF, no RL - - ±0.5
TUE Total unadjusted error
DAC output buffer ON, CL 50 pF, RL 5 k --±30
LSB
DAC output buffer OFF, CL 50 pF no RL - - ±12
TUECal
Total unadjusted error
after calibration
DAC output buffer ON, CL 50 pF, RL 5 k --±23LSB
SNR Signal-to-noise ratio
DAC output buffer ON, CL 50 pF, RL 5 k,
1 kHz, BW 500 kHz
-71.2-
dB
DAC output buffer OFF, CL 50 pF, no RL,
1 kHz, BW 500 kHz
-71.6-
THD
Tot a l ha r mo n i c
distortion
DAC output buffer ON, CL 50 pF, RL 5 k,
1 kHz
--78-
dB
DAC output buffer OFF, CL 50 pF, no RL,
1 kHz
--79-
SINAD
Signal-to-noise and
distortion ratio
DAC output buffer ON, CL 50 pF, RL 5 k,
1 kHz
-70.4-
dB
DAC output buffer OFF, CL 50 pF, no RL,
1 kHz
-71-