AD7193 Analog Devices, AD7193 Datasheet - Page 16

• 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

AD7193
–10
–15
–20
170
168
166
164
162
160
158
156
154
20
15
10
–5
–1
–2
–0.03
Figure 15. Offset vs. Temperature (Gain = 1, Chop Disabled)
5
0
5
4
3
2
1
0
–60
–4
–40
–3
–0.02
–20
–2
Figure 14. INL (Gain = 128)
Figure 13. INL (Gain = 1)
–0.01
0
TEMPERATURE (°C)
–1
20
V
V
IN
IN
0
0
(V)
(V)
40
1
0.01
60
2
80
0.02
100
3
0.03
120
4
Rev. C | Page 16 of 56
1.000008
1.000006
1.000004
1.000002
1.000000
0.999998
0.999996
0.999994
0.999992
0.999990
0.999988
128.004
128.002
128.000
127.998
127.996
127.994
127.992
127.990
127.988
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
Figure 16. Offset vs. Temperature (Gain = 128, Chop Disabled)
0.4
0.2
0
–60
–60
–60
Figure 18. Gain vs. Temperature (Gain = 128)
–40
Figure 17. Gain vs. Temperature (Gain = 1)
–40
–40
–20
–20
–20
0
TEMPERATURE (°C)
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
20
40
40
40
60
60
60
80
Data Sheet
80
80
100
100
100
120
120
120