Dac Electrical Specifications - STMicroelectronics STM32L151CB Manual

Electrical characteristics
6.3.17

DAC electrical specifications

Data guaranteed by design, not tested in production, unless otherwise specified.
Table 53. DAC characteristics
Symbol Parameter
V Analog supply voltage
DDA
V Reference supply voltage
REF+
V Lower reference voltage
REF-
Current consumption on
(1)
V supply
I
REF+
DDVREF+
V = 3.3 V
REF+
Current consumption on
(1)
V supply
I
DDA
DDA
V = 3.3 V
DDA
(2)
R Resistive load
L
(2)
C Capacitive load
L
R Output impedance
O
Voltage on DAC_OUT
V
DAC_OUT
output
(1)
DNL Differential non linearity
(1)
INL Integral non linearity
Offset error at code 0x800
(1)
Offset
(5)
Offset error at code
(1)
Offset1
(6)
0x001
90/109
Conditions
V must always be below
REF+
V
DDA
No load, middle code (0x800)
No load, worst code (0x000)
No load, middle code (0x800)
No load, worst code (0xF1C)
DAC output buffer ON
DAC output buffer OFF
DAC output buffer ON
DAC output buffer OFF
≤ 50 pF, R ≥ 5 kΩ
C
L L
DAC output buffer ON
(3)
≤ 50 pF
No R , C
LOAD L
DAC output buffer OFF
≤ 50 pF, R ≥ 5 kΩ
C
L L
DAC output buffer ON
(4)
≤ 50 pF
No R , C
LOAD L
DAC output buffer OFF
≤ 50 pF, R ≥ 5 kΩ
C
L L
DAC output buffer ON
≤ 50 pF
No R , C
LOAD L
DAC output buffer OFF
≤ 50 pF
No R , C
LOAD L
DAC output buffer OFF
Doc ID 17659 Rev 6
STM32L151xx, STM32L152xx
Min Typ Max
1.8
1.8
V
SSA
130
220
210
320
5
6 8
0.2 V
DDA
0.5 V
REF+
1.5
1.5
2
2
±10
±5
±1.5
Unit
3.6
V
3.6
220
350
µA
320
520
kΩ
50 pF
10 kΩ
– 0.2 V
– 1LSB mV
3
3
4
LSB
4
±25
±8
±5