Specifications

4
Electrical
p
arameters
4.1
Absolute electrical parameters
parameter describe minimum Max v
T
stg
S
torage temperature
‐65 +150 °C
VBAT
Power supply voltage
2.2 5.5 V
V
3.3IO
3.3VOutp
ut voltage
‐0.3 V
3.3IO
+0.3

V
4.2 working conditions
parameter describe minimum
typical
value
Max
test
condi
tion
T
amb
Working temperature
‐20‐+70 °C
VBAT
Power supply voltage
2.2 3.7 5.5 V
V
3.3IO
3.3Voutputvoltage
‐ 3.3
V
3.3IO
+0.3
V
V
DACVDD
VoltageDAC
‐ 2.7‐ V
I
L3.3
load current
‐ ‐ 150 mA
V
IL
Low level input voltage
‐0.3‐ 0.3*V
3.3IO
V
V
IH
High level input
0.7*V
3.3IO
‐ V
3.3IO
+0.3 V
V
OL
Low level output
‐ ‐ 0.33 V
V
OH
High level output
2.7‐‐ V
4.3Internal resistance
Port Universal
output
High
speed
drive
Internal
pull-up
electric
i
Inner
pull-down
electric
i
explain
PA0、PA1
8mA 24mA 10K 10K
1、PB1defaultpull‐up
PA9、PA10 2、 USBDM和 USBDP
PB1、PB3
Default drop-down
li
PB8~PB10
3、PB0、PB2、PB5can
PC2~PC5
Uplift resistance
PB11 
PC7
Output0 8mA 24mA 10K 10K
5Vvoltage
Output1 8mA 64mA
4、inside
PB0、PB2
PB5
8mA 10K 10K
Up/d
own
Resistance |
Accuracy
USBDP 4mA‐ 1.5K 15K
±20%
USBDM 4mA‐ 180K 15K