AD7193 Analog Devices, AD7193 Datasheet - Page 15

• Manufacturer Part Number: AD7193
• Description: 4-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA
• Manufacturer: Analog Devices

Specifications of AD7193

• Resolution (bits): 24bit
• # Chan: 4
• Sample Rate: n/a
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni,SE-Uni,Usr-Defined Range/Offset
• Ain Range: ± (Vref/Gain)
• Adc Architecture: Sigma-Delta
• Pkg Type: SOP

Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
8,387,486
8,387,484
8,387,482
8,387,480
8,387,478
8,387,476
8,387,474
8,387,472
8,387,470
8,387,468
8,388,920
8,388,910
8,388,900
8,388,890
8,388,880
8,388,870
8,388,860
8,388,850
8,388,840
8,388,830
Output Data Rate = 4.7 Hz, Gain = 128, Chop Disabled, Sinc
Figure 9. Noise (V
200
150
100
Figure 7. Noise (V
50
8,387,470
0
Figure 8. Noise Distribution Histogram (V
0
0
8,387,472
Gain = 128, Chop Disabled, Sinc
Gain = 1, Chop Disabled, Sinc
8,387,474
200
200
REF
REF
= AV
= AV
8,387,476
DD
DD
= 5 V, Output Data Rate = 2400 Hz,
400
400
= 5 V, Output Data Rate = 4.7 Hz,
8,387,478
CODE
SAMPLE
SAMPLE
8,387,480
600
600
4
4
8,387,482
Filter)
REF
Filter)
= AV
800
800
8,387,484
DD
= 5 V,
4
Filter)
1000
1000
Rev. C | Page 15 of 56
Figure 11. Noise (V
Figure 12. Noise Distribution Histogram (V
42.1 Hz (FS[9:0] = 6, Average by 16), Gain = 1, Chop Disabled, Sinc
8,388,880
8,388,878
8,388,876
8,388,874
8,388,872
8,388,870
8,388,868
8,388,866
8,388,864
Output Data Rate = 2400 Hz, Gain = 1, Chop Disabled, Sinc
8,388,830
50
40
30
20
10
200
150
100
8,388,864
0
50
Figure 10. Noise Distribution Histogram (V
0
Average by 16), Gain = 1, Chop Disabled, Sinc
0
REF
8,388,868
= AV
200
8,388,860
DD
= 5 V, Output Data Rate = 42.1 Hz (FS[9:0] = 6,
8,388,872
400
CODE
SAMPLE
CODE
REF
= AV
8,388,890
8,388,876
600
DD
= 5 V, Output Data Rate =
REF
= AV
800
4
8,388,880
Filter)
DD
= 5 V,
8,388,920
AD7193
4
Filter)
4
1000
Filter)