AD7192 Analog Devices, AD7192 Datasheet - Page 16

• Manufacturer Part Number: AD7192
• Description: 4.8 kHz Ultra-Low Noise 24-Bit Sigma-Delta ADC with PGA
• Manufacturer: Analog Devices

Specifications of AD7192

• Resolution (bits): 24bit
• # Chan: 4
• Sample Rate: 4.8kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni,SE-Bip,SE-Uni
• Ain Range: ± (Vref/Gain)
• Adc Architecture: Sigma-Delta
• Pkg Type: SOP

AD7192
SINC
Table 10. RMS Noise (nV) vs. Gain and Output Data Rate
Filter Word
(Decimal)
1023
640
480
96
80
40
32
16
5
2
1
Table 11. Effective Resolution (Peak-to-Peak Resolution) vs. Gain and Output Data Rate
Filter Word
(Decimal)
1023
640
480
96
80
40
32
16
5
2
1
1
The output peak-to-peak (p-p) resolution is listed in parentheses.
4
CHOP ENABLED
Output
Data Rate
(Hz)
1.175
1.875
2.5
12.5
15
30
37.5
75
240
600
1200
Output
Data Rate
(Hz)
1.175
1.875
2.5
12.5
15
30
37.5
75
240
600
1200
Settling
Time (ms)
1702
1067
800
160
133
66.7
53.3
26.7
8.33
3.33
1.67
Settling
Time (ms)
1702
1067
800
160
133
66.7
53.3
26.7
8.33
3.33
1.67
Gain of 1
24 (22.5)
24 (22.5)
24 (22)
22.5 (20)
22.5 (20)
22.5 (20)
22 (19.5)
22 (19.5)
21 (18.5)
20.5 (18)
19.5 (17)
Gain of 1
248
301
347
1420
1490
1700
1770
2200
3400
5310
11,600
1
Gain of 8
24 (22.5)
24 (22)
24 (21.5)
22.5 (20)
22.5 (20)
22 (19.5)
22 (19.5)
22 (19.5)
21 (18.5)
20.5 (18)
19.5 (17)
Gain of 8
36
44
61
184
194
223
237
297
488
780
1560
Rev. A | Page 16 of 40
1
Gain of 16
24 (22)
24 (22)
24 (21.5)
22.5 (20)
22.5 (20)
22 (19.5)
22 (19.5)
21.5 (19)
21 (18.5)
20 (17.5)
19.5 (17)
Gain of 16
22
26
31
95
99
124
131
170
276
453
849
1
Gain of 32
13
15
17
52
55
68
78
103
170
276
474
Gain of 32
24 (22)
24 (21.5)
24 (21.5)
22.5 (20)
22 (19.5)
22 (19.5)
21.5 (19)
21.5 (19)
20.5 (18)
20 (17.5)
19 (16.5)
1
Gain of 64
9
11
13
33
34
46
51
68
121
194
302
Gain of 64
24 (21.5)
23.5 (21)
23.5 (21)
22 (19.5)
22 (19.5)
21.5 (19)
21.5 (19)
21 (18.5)
20 (17.5)
19.5 (17)
19 (16.5)
1
Gain of 128
8
10
11
25
27
37
42
58
103
167
244
Gain of 128
23 (20.5)
23 (20.5)
22.5 (20)
21.5 (19)
21 (18.5)
21 (18.5)
20.5 (18)
20 (17.5)
19.5 (17)
18.5 (16)
18 (15.5)
1