STM32F103xC, STM32F103xD, STM32F103xE
Table 61. DAC characteristics (continued)
Electrical characteristics
Comments
Symbol
Parameter
Min Typ
Max(1)
Unit
Amplifier
gain
Gain of the amplifier in open
loop
80
85
dB with a 5 kΩ load (worst case)
Settling time (full scale: for an
10-bit input code transition
between the lowest and the
highest input codes when
DAC_OUT reaches final value
1LSB
CLOAD ≤ 50 pF,
µs
tSETTLING
3
4
1
RLOAD ≥ 5 kΩ
Max frequency for a correct
DAC_OUT change when small
variation in the input code (from
code i to i+1LSB)
Update
rate
CLOAD ≤ 50 pF,
MS/s
RLOAD ≥ 5 kΩ
CLOAD ≤ 50 pF,
RLOAD ≥ 5 kΩ
input code between lowest and
Wakeup time from off state
(PDV18 from 1 to 0)
tWAKEUP
6.5
10
µs
highest possible ones.
Power supply rejection ratio (to
VDD33A) (static DC
PSRR+
–67
–40
dB No RLOAD, CLOAD = 50 pF
measurement
1. Guaranteed by characterization, not tested in production.
5.3.20
Temperature sensor characteristics
Table 62. TS characteristics
Symbol Parameter
Conditions
Min
Typ
Max
Unit
(1)
TL
VSENSE linearity with temperature
°C
1
4.3
2
4.6
1.52
10
Avg_Slope(1)
Average slope
Voltage at 25 °C
Startup time
4.0
1.34
4
mV/°C
V
(1)
V25
1.43
(2)
tSTART
µs
ADC sampling time when reading the
temperature
(3)(2)
TS_temp
2.2
17.1
µs
1. Guaranteed by characterization, not tested in production.
2. Data guaranteed by design, not tested in production.
3. Shortest sampling time can be determined in the application by multiple iterations.
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