AD622 Data Sheet
Rev. E | Page 6 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
S
= ±15 V, R
L
= 2 kΩ, unless otherwise noted.
50
40
30
20
10
0
–1.2 –0.8 –0.4 0 0.4 0.8 1.2
PERCENTAGE OF UNITS
OUTPUT OFFSET VOLTAGE (mV)
SAMPLE SIZE = 191
00777-002
Figure 2. Typical Distribution of Output Offset Voltage
50
40
30
20
10
0
60 80 100 120 140
PERCENTAGE OF UNITS
COMMON-MODE REJECTION RATIO (dB)
SAMPLE SIZE = 383
00777-003
Figure 3. Typical Distribution of Common-Mode Rejection
2.0
1.5
1.0
0.5
0
0 54321
INPUT OFFSET VOLTAGE (µV)
WARM-UP TIME (Minutes)
00777-004
Figure 4. Change in Input Offset Voltage vs. Warm-Up Time
1000
100
10
1
1 100k10k1k10010
VOLTAGE NOISE (nV/ Hz)
FREQUENCY (Hz)
GAIN = 1
GAIN = 1000
BW LIMIT
GAIN = 10
GAIN = 100, 1000
00777-005
Figure 5. Voltage Noise Spectral Density vs. Frequency (G = 1 to 1000)
1000
100
10
1 100010010
CURRENT NOISE (fA/ Hz)
FREQUENCY (Hz)
00777-006
Figure 6. Current Noise Spectral Density vs. Frequency
140
120
100
80
60
40
20
0
0.1 1M100k10k1k100101
CMR (dB)
FREQUENCY (Hz)
G = 1000
G = 100
G = 10
G = 1
00777-007
Figure 7. CMR vs. Frequency, RTI, 0 kΩ to 1 kΩ Source Imbalance
