AD7791 Analog Devices, AD7791 Datasheet - Page 13

• Manufacturer Part Number: AD7791
• Description: 24-Bit, Single-Channel, Ultra Low Power, Sigma Delta A/D Converter
• Manufacturer: Analog Devices

Specifications of AD7791

• Resolution (bits): 24bit
• # Chan: 1
• Sample Rate: n/a
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p
• Adc Architecture: Sigma-Delta
• Pkg Type: SOP

Table 12. Update Rates
FS2
0
0
0
0
1
1
1
1
DATA REGISTER (RS1, RS0 = 1, 1; POWER-ON/RESET = 0x000000)
The conversion result from the ADC is stored in this data register. This is a read-only register. On completion of a read operation from
this register, the RDY bit/pin is set.
FS1
0
0
1
1
0
0
1
1
FS0
0
1
0
1
0
1
0
1
f
120
100
33.3
20
16.6
16.7
13.3
9.5
ADC
(Hz)
f3dB (Hz)
28
24
8
4.7
4
4
3.2
2.3
Rev. 0 | Page 13 of 20
RMS Noise (µV)
40
25
3.36
1.6
1.5
1.5
1.2
1.1
Rejection
25 dB @ 60 Hz
25 dB @ 50 Hz
80 dB @ 60 Hz
65 dB @ 50 Hz/60 Hz (Default Setting)
80 dB @ 50 Hz
67 dB @ 50/60 Hz
AD7791