AD7194BCPZ Analog Devices Inc, AD7194BCPZ Datasheet - Page 16

• Manufacturer Part Number: AD7194BCPZ
• Description: IC ADC 24BIT SPI 4.8K 32-LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD7194BCPZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Bits: 24
• Sampling Rate (per Second): 4.8k
• Number Of Converters: 1
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 32-WFQFN, CSP Exposed Pad
• Resolution (bits): 24bit
• Input Channel Type: Pseudo Differential
• Supply Voltage Range - Analogue: 3V To 5.25V
• Supply Voltage Range - Digital: 2.7V To 5.25V
• Supply: RoHS Compliant
• Sampling Rate: 4.8kSPS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AD7194BRUZ; AD7194BRUZ

AD7194
SINC
Table 9. RMS Noise (nV) vs. Gain and Output Data Rate
Filter Word (Decimal)
1023
640
480
96
80
32
16
5
2
1
Table 10. 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 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.
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
380
450
490
1100
1200
1900
2700
6400
115,000
860,000
1
2300
2700
3100
7200
7800
13,000
19,000
410,000
730,000
5,700,000
1
24 (22.1)
24 (21.8)
24 (21.6)
23.1 (20.4)
23 (20.3)
22.3 (19.6)
21.8 (19)
20.6 (17.9)
16.5 (13.7)
13.5 (10.8)
Rev. 0 | Page 16 of 56
8
58
73
90
160
170
280
380
870
14,000
110,000
8
350
450
520
990
1100
1800
2500
5700
93,000
730,000
8
24 (21.8)
24 (21.4)
23.8 (21.2)
22.9 (20.3)
22.8 (20.1)
22.1 (19.4)
21.6 (18.9)
20.5 (17.7)
16.4 (13.7)
13.5 (10.7)
16
35
41
47
92
99
160
210
490
7000
54,000
16
220
270
310
560
630
1000
1400
3200
47,000
360,000
16
24 (21.4)
23.9 (21.1)
23.7 (20.9)
22.7 (20.1)
22.6 (19.9)
21.9 (19.3)
21.56 (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
91
130
280
3600
28,000
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)
21.7 (19)
21.2 (18.5)
20.1 (17.4)
16.4 (13.7)
13.5 (10.7)
1
64
13
17
19
40
43
72
97
200
1800
14,000
64
84
110
120
260
270
480
640
1300
12,000
93,000
64
23.5 (20.8)
23.1 (20.4)
23 (20.3)
21.9 (19.2)
21.8 (19.1)
21 (18.3)
20.6 (17.9)
19.6 (16.9)
16.4 (13.7)
13.5 (10.7)
128
11
14
16
36
39
63
87
170
950
7000
128
70
88
100
230
250
400
560
1100
6100
45,000
128
22.8 (20.1)
22.4 (19.8)
22.2 (19.6)
21 (18.4)
20.9 (18.3)
20.2 (17.6)
19.8 (17.1)
18.8 (16.1)
16.4 (13.6)
13.5 (10.7)