STM8L151X6 Datasheet, PDF (113/146 Pages) STMicroelectronics – Operating conditions

STM8L151x6/8 STM8L152x6/8
Electrical parameters
9.3.13
12-bit DAC characteristics
In the following table, data are guaranteed by design.
Table 50. DAC characteristics
Symbol
Parameter
Conditions
Min. Typ.
V_DDA Analog supply voltage
-
1.8
-
V_REF+ Reference supply voltage
-
1.8
-
I_VREF
Current consumption on V_REF+
supply
V_REF+ = 3.3 V, no load,
middle code (0x800)
V_REF+ = 3.3 V, no load,
worst code (0x000)
-
-
130
220
I_VDDA
Current consumption on V_DDA
supply
V_DDA = 3.3 V, no load,
middle code (0x800)
V_DDA = 3.3 V, no load,
worst code (0x000)
-
-
210
320
T_A
R_L(1) ⁽²⁾
R_O
C_L(3)
Temperature range
Resistive load
Output impedance
Capacitive load
DAC_OUT
(4)
DAC_OUT voltage
-40
-
DACOUT buffer ON
5
-
DACOUT buffer OFF
-
8
-
-
DACOUT buffer ON 0.2
-
DACOUT buffer OFF
0
-
Settling time (full scale: for a 12-
bit input code transition between
t_settling the lowest and the highest input R_L ≥ 5 kΩ, C_L≤ 50 pF
-
7
codes when DAC_OUT reaches
the final value ±1LSB)
Max frequency for a correct
Update rate
DAC_OUT (@95%) change
when small variation of the input
R_L ≥ 5 kΩ, C_L ≤50 pF
-
-
code (from code i to i+1LSB).
Wakeup time from OFF state.
t_WAKEUP Input code between lowest and R_L ≥ 5 kΩ, C_L≤50 pF
-
9
highest possible codes.
PSRR+
Power supply rejection ratio (to
V_DDA) (static DC measurement)
R_L≥ 5 kΩ, C_L≤50 pF
-
-60
1. Resistive load between DACOUT and GNDA
2. Output on PF0 or PF1
3. Capacitive load at DACOUT pin
4. It gives the output excursion of the DAC
Max.
3.6
V_DDA
220
Unit
V
350
µA
320
520
125
°C
-
kΩ
10
kΩ
50
pF
V_DDA - 0.2
V
V_REF+ -1 LSB V
12
µs
1
Msps
15
µs
-35
dB
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