Datasheet AD622 (Analog Devices) - 7

AD622 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VS = ±15 V, RL = 2 kΩ, unless otherwise noted.
50 1000 SAMPLE SIZE = 191 40 ) S z GAIN = 1 T / H 100 UNI nV F 30 ( O E E OIS GAIN = 10 AG N NT 20 GE RCE 10 E P OLTA V GAIN = 100, 1000 10 GAIN = 1000 BW LIMIT 0 1 –1.2 –0.8 –0.4 0 0.4 0.8 1.2
002
1 10 100 1k 10k 100k
005
OUTPUT OFFSET VOLTAGE (mV) FREQUENCY (Hz)
00777- 00777- Figure 2. Typical Distribution of Output Offset Voltage Figure 5. Voltage Noise Spectral Density vs. Frequency (G = 1 to 1000)
50 1000 SAMPLE SIZE = 383 40 ) S T Hz UNI fA/ F 30 ( O E E IS 100 AG NO NT 20 NT RCE E P CURRE 10 0 10 60 80 100 120 140
003
1 10 100 1000
006
COMMON-MODE REJECTION RATIO (dB) FREQUENCY (Hz)
00777- 00777- Figure 3. Typical Distribution of Common-Mode Rejection Figure 6. Current Noise Spectral Density vs. Frequency
2.0 140 120 G = 1000 ) V µ 1.5 G = 100 ( 100 GE G = 10 OLTA B) 80 d 1.0 T V R ( G = 1 E 60 CM T OFFS U 40 P 0.5 IN 20 0 0 0 1 2 3 4 5
004
0.1 1 10 100 1k 10k 100k 1M
007
WARM-UP TIME (Minutes) FREQUENCY (Hz)
00777- 00777- Figure 4. Change in Input Offset Voltage vs. Warm-Up Time Figure 7. CMR vs. Frequency, RTI, 0 kΩ to 1 kΩ Source Imbalance Rev. E | Page 6 of 16 Document Outline Features Applications Pin Configuration General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Typical Performance Characteristics Theory of Operation Make vs. Buy: A Typical Application Error Budget Gain Selection Input and Output Offset Voltage Reference Terminal Input Protection RF Interference Ground Returns for Input Bias Currents Outline Dimensions Ordering Guide