AD7190BRUZ-REEL Analog Devices Inc, AD7190BRUZ-REEL Datasheet - Page 16

• 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

AD7190
SINC
Table 8. RMS Noise (nV) vs. Gain and Output Data Rate
Filter Word
(Decimal)
1023
640
480
96
80
32
16
5
2
1
Table 9. 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
Settling
Time (ms)
639.4
400
300
60
50
20
10
3.125
1.25
0.625
Settling
Time (ms)
639.4
400
300
60
50
20
10
3.125
1.25
0.625
Gain of 1
24 (22.5)
24 (22)
24 (22)
23.5 (20.5)
23 (20.5)
22.5 (20)
22.5 (19.5)
21.5 (18.5)
17.5 (14.5)
14.5 (11.5)
Gain of 1
270
320
350
1000
1050
1500
1950
4000
56,600
442,000
1
Rev. B | Page 16 of 40
Gain of 8
42
50
60
134
145
225
308
590
7000
55,000
Gain of 8
24 (22)
24 (22)
24 (21.5)
23 (20.5)
23 (20.5)
22.5 (19.5)
22 (19)
21 (18.5)
17.5 (14.5)
14.5 (11.5)
1
Gain of 16
23
27
35
86
95
130
175
330
3500
28,000
Gain of 16
24 (22)
24 (21.5)
24 (21.5)
23 (20)
22.5 (20)
22 (19.5)
22 (19)
21 (18)
17.5 (14.5)
14.5 (11.5)
1
Gain of 32
13.5
17
19
50
55
80
110
200
1800
14,000
Gain of 32
24 (21.5)
24 (21.5)
24 (21)
22.5 (20)
22.5 (19.5)
22 (19)
21.5 (18.5)
20.5 (18)
17.5 (14.5)
14.5 (11.5)
1
Gain of 64
10.5
13
15
35
40
58
83
150
900
7000
Gain of 64
24 (21)
23.5 (21)
23.5 (20.5)
22 (19.5)
22 (19)
21.5 (18.5)
21 (18)
20 (17.5)
17.5 (14.5)
14.5 (11.5)
1
Gain of 128
23 (20.5)
22.5 (20)
22.5 (20)
21.5 (18.5)
21 (18.5)
20.5 (18)
20 (17.5)
19 (16.5)
17.5 (14.5)
14.5 (11.5)
Gain of 128
9
11.5
12.5
29
32
50
73
133
490
3450
1