ADXL250 Просмотр технического описания (PDF) - Analog Devices
Номер в каталоге
Компоненты Описание
производитель
ADXL250 Datasheet PDF : 15 Pages
| |||
ADXL150/ADXL250
20
15
10
5
0
–5
–10
NOISE FROM INTERNAL CLOCK
–15
–20
0 2 4 6 8 10 12 14 16 18 20
TIME – s
Figure 9. Typical Output Noise Voltage with Spikes
Generated by Internal Clock
SELF-TEST
OUTPUT
(0.2V/DIV)
SELF-TEST
INPUT
(2V/DIV)
0 2 4 6 8 10 12 14 16 18 20
TIME – ms
Figure 10. Typical Self-Test Response
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
1.6
1.4
1.2
1.0
0.8
0.6
4.0
4.5
5.0
5.5
6.0
SUPPLY VOLTAGE – Volts
Figure 12. Noise vs. Supply Voltage
30
25
20
15
10
5
0
100
1000
FREQUENCY – kHz
Figure 13. Baseband Error Graph
10000
Figure 13 shows the mV rms error in the output signal if there is
a noise on the power supply pin of 1 mV rms at the internal
clock frequency or its odd harmonics. This is a baseband noise
and can be at any frequency in the 1 kHz passband or at dc.
0.25
10
100
FREQUENCY – Hz
1k 2k
Figure 11. Noise Spectral Density
–6–
REV. 0
Share Link: 