AD7190BRUZ-REEL Analog Devices Inc, AD7190BRUZ-REEL Datasheet - Page 17

• Manufacturer Part Number: AD7190BRUZ-REEL
• Description: 2ch UltraLow Noise 24Bit SD ADC IC.
• Manufacturer: Analog Devices Inc

Specifications of AD7190BRUZ-REEL

• Design Resources: Precision Weigh Scale Design Using AD7190 with Internal PGA (CN0102)
• Number Of Bits: 24
• Sampling Rate (per Second): 4.8k
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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. 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.
4
CHOP ENABLED
Output Data
Rate (Hz)
1.175
1.875
2.5
12.5
15
37.5
75
240
600
1200
Output Data
Rate (Hz)
1.175
1.875
2.5
12.5
15
37.5
75
240
600
1200
Settling
Time (ms)
1702
1067
800
160
133
53
26.7
8.33
3.33
1.67
Settling
Time (ms)
1702
1067
800
160
133
53
26.7
8.33
3.33
1.67
Gain of 1
24 (23)
24 (22.5)
24 (22.5)
24 (21)
24 (21)
23 (20.5)
23 (20)
22 (19.5)
21.5 (18.5)
20 (17)
Gain of 1
177
219
234
637
686
1033
1343
2121
3536
10,200
1
Rev. B | Page 17 of 40
Gain of 8
24 (22.5)
24 (22.5)
24 (22.5)
24 (21)
23.5 (21)
23 (20)
22.5 (20)
22 (19)
21 (18.5)
20 (17)
Gain of 8
27
32
36
89
99
152
202
340
552
1360
1
Gain of 16
24 (22.5)
24 (22.5)
24 (22)
23.5 (20.5)
23.5 (20.5)
23 (20)
22.5 (19.5)
21.5 (19)
21 (18)
20 (17)
Gain of 16
15
18
21
55
63
89
120
198
311
707
1
Gain of 32
24 (22.5)
24 (22)
24 (22)
23 (20.5)
23 (20.5)
22.5 (20)
22 (19.5)
21.5 (18.5)
20.5 (18)
19.5 (17)
Gain of 32
8.5
11.5
13
32
37
53
71
124
198
389
1
Gain of 64
24 (21.5)
24 (21.5)
24 (21)
22.5 (20)
22.5 (20)
22 (19)
21.5 (19)
20.5 (18)
20 (17)
19 (16.5)
Gain of 64
7
8.5
10
24
26
39
53
99
156
26
1
Gain of 128
23.5 (21)
23.5 (20.5)
23 (20.5)
22 (19)
22 (19)
21 (18.5)
20.5 (18)
20 (17)
19 (16.5)
18.5 (16)
AD7190
Gain of 128
6
7.5
8.5
20
22
34
48
86
140
209
1