AD8421 AD [Analog Devices], AD8421 Datasheet - Page 13

• Manufacturer Part Number: AD8421
• Description: 3 nV/?Hz, Low Power
• Manufacturer: AD [Analog Devices]

Data Sheet
Figure 24. Change in Input Offset Voltage (V
160
140
120
100
160
140
120
100
–0.5
80
60
40
80
60
40
2.0
1.5
1.0
0.5
0
0.1
0.1
Figure 23. CMRR vs. Frequency, 1 kΩ Source Imbalance
0
GAIN = 100
GAIN = 1
GAIN = 1
GAIN = 1000
GAIN = 100
GAIN = 10
GAIN = 10
GAIN = 1000
5
1
1
10
Figure 22. CMRR vs. Frequency
15
WARM-UP TIME (Seconds)
10
10
FREQUENCY (Hz)
FREQUENCY (Hz)
20
100
100
25
30
1k
1k
OSI
35
) vs. Warm-Up Time
10k
10k
40
45
100k
100k
5
0
Rev. 0 | Page 13 of 28
100
–20
–40
–60
–80
–10
–15
–2
–4
–6
–8
80
60
40
20
15
10
–5
6
5
0
4
2
0
0
–40
–40
–40
REPRESENTATIVE SAMPLES
REPRESENTATIVE SAMPLES
GAIN = 1
REPRESENTATIVE SAMPLES
GAIN = 1
–25
–25
–25
Figure 25. Input Bias Current vs. Temperature
Figure 27. CMRR vs. Temperature (G = 1)
Figure 26. Gain vs. Temperature (G = 1)
–10
–10
–10
5
5
5
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
20
35
35
35
50
50
50
65
65
65
80
80
80
95
95
95
110
110
110
AD8421
125
125
125