AD7194 Analog Devices, AD7194 Datasheet - Page 14

• Manufacturer Part Number: AD7194
• Description: 8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA
• Manufacturer: Analog Devices

Specifications of AD7194

• Resolution (bits): 24bit
• # Chan: 8
• Sample Rate: n/a
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref/PGA Gain) p-p
• Adc Architecture: Sigma-Delta
• Pkg Type: CSP

AD7194
Figure 18. Noise-Free Resolution (Sinc
Figure 19. Noise-Free Resolution (Sinc
24
22
20
18
16
14
24
22
20
18
16
14
12
10
1
1
GAIN = 1
GAIN = 8
GAIN = 16
GAIN = 32
GAIN = 64
GAIN = 128
GAIN = 1
GAIN = 8
GAIN = 16
GAIN = 32
GAIN = 64
GAIN = 128
10
10
OUTPUT DATA RATE (Hz)
OUTPUT DATA RATE (Hz)
100
100
4
3
Filter, Chop Disabled, V
Filter, Chop Disabled, V
1k
1k
REF
REF
10k
10k
= 5 V)
= 5 V)
Rev. 0 | Page 14 of 56
Figure 20. Noise-Free Resolution in Fast Settling Mode (V
23
22
21
20
19
18
17
16
1
Averaging by 16, Sinc
OUTPUT DATA RATE (Hz)
10
4
Filter, Chop Disabled)
100
GAIN = 1
GAIN = 8
GAIN = 16
GAIN = 32
GAIN = 64
GAIN = 128
REF
= 5 V,
1k