AD7193 Analog Devices, AD7193 Datasheet - Page 19

• 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
SINC
Table 10. RMS Noise (nV) vs. Gain and Output Data Rate
Filter Word (Decimal)
1023
640
480
96
80
32
16
5
2
1
Table 11. Peak-to-Peak Noise (nV) vs. Gain and Output Data Rate
Filter Word (Decimal)
1023
640
480
96
80
32
16
5
2
1
Table 12. Effective Resolution (Peak-to-Peak Resolution) vs. Gain and Output Data Rate
Filter Word (Decimal)
1023
640
480
96
80
32
16
5
2
1
1
The output peak-to-peak (p-p) resolution is listed in parentheses.
3
CHOP DISABLED
Output Data
Rate (Hz)
4.7
7.5
10
50
60
150
300
960
2400
4800
Output Data
Rate (Hz)
4.7
7.5
10
50
60
150
300
960
2400
4800
Output Data
Rate (Hz)
4.7
7.5
10
50
60
150
300
960
2400
4800
Settling
Time (ms)
639.4
400
300
60
50
20
10
3.13
1.25
0.625
Settling
Time (ms)
639.4
400
300
60
50
20
10
3.13
1.25
0.625
Settling
Time (ms)
639.4
400
300
60
50
20
10
3.13
1.25
0.625
1
340
410
490
1000
1100
1700
2400
6400
115,000
860,000
1
2200
2700
3000
6400
7000
11,000
16,000
40,000
730,000
5,700,000
24 (22.1)
24 (21.8)
24 (21.7)
1
23.3 (20.6)
23.1 (20.4)
22.5 (19.8)
22 (19.3)
20.6 (17.9)
16.5 (13.7)
13.5 (10.8)
Rev. C | Page 19 of 56
8
58
72
90
160
170
260
350
870
14,000
110,000
8
350
450
520
990
1100
1700
2300
5700
93,000
730,000
8
24 (21.8)
24 (21.4)
23.8 (21.2)
22.9 (20.3)
22.8 (20.1)
22.2 (19.5)
21.8 (19.1)
20.5 (17.7)
16.4 (13.7)
13.5 (10.7)
16
35
41
45
85
95
150
200
470
7000
54,000
16
220
270
310
540
610
980
1400
3100
47,000
360,000
16
24 (21.4)
23.9 (21.1)
23.7 (20.9)
22.9 (20.1)
22.7 (20)
22 (19.3)
21.6 (18.8)
20.3 (17.6)
16.4 (13.7)
13.5 (10.7)
Gain of
Gain of
Gain of
32
20
25
28
54
59
88
130
270
3600
27,000
32
130
160
180
370
390
580
860
1800
24,000
180,000
32
23.9 (21.2)
23.6 (20.9)
23.4 (20.7)
22.5 (19.7)
22.3 (19.6)
21.8 (19)
21.2 (18.5)
20.1 (17.4)
16.4 (13.7)
13.5 (10.7)
1
64
13
16
18
38
41
66
94
190
1800
14,000
64
80
100
120
250
270
440
630
1300
12,000
93,000
64
23.5 (20.9)
23.2 (20.6)
23 (20.3)
22 (19.3)
21.9 (19.1)
21.2 (18.4)
20.7 (17.9)
19.6 (16.9)
16.4 (13.7)
13.5 (10.7)
128
11
14
16
34
37
59
85
160
950
7000
128
65
88
100
230
250
390
560
1100
6100
45,000
AD7193
128
22.8 (20.2)
22.4 (19.8)
22.2 (19.6)
21.1 (18.4)
21 (18.3)
20.3 (17.6)
19.8 (17.1)
18.9 (16.1)
16.4 (13.6)
13.5 (10.7)