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AS621x
Operating Conditions
Datasheet • PUBLIC
DS000677 • v2-00 • 2020-Feb-24
36 │ 9
5 Operating Conditions
The AS621x is a complete sensor system that has an integrated sensing element, the analog
frontend, the A/D converter and the digital signal processing part.
The digital signal processing part consists of the signal processor, the registers and the serial bus
interface.
5.1 Analog System Parameters
Figure 7:
Analog System Parameters of AS621x
Parameter
Symbol
Min
Typ
Max
Unit
Note
Supply Voltage
VDD
1.71
2.0
3.0
3.0
3.6
3.6
V
T= 0°C to 125°C
T= -40°C to 125°C
Temperature Range
T
-40
125
°C
Standby Current
Consumption
IDD
0.1
0.3
0.4
9.0
µA
T= -40°C to 65°C
T= 65°C to 125°C
Current Consumption
(4 conversions /s)
IDD
6
7
16
µA
T= -40°C to 65°C
Serial bus inactive
T= 65°C to 125°C
Serial bus inactive
Resolution
N
16
Bits
Conversion Time
TS
22
36
51
ms
Conversion Rate
NS
0.25
1
4
8
0.35
1.35
5.5
10.7
Conv/s
CR[1:0]=00
CR[1:0]=01
CR[1:0]=10
CR[1:0]=11
Supply Voltage Rise
Time
TRise_VDD
20
ms
from 0.1V to 1.6V
Supply Voltage Slew
Rate
SR_VDD
50
mV/ms
from 0.1V to 1.6V
In Figure 7 an overview of the analog system parameters is given.
The current consumption for less than 4 conversions per second is lower than the values given in
Figure 7.