Analog Devices AD620 manuals

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Analog Devices AD620 Specifications

16 pages571.35 Kb

a
- Low Cost, Low Power Instrumentation Amplifier AD620
  - Figure 2. Total Voltage Noise vs. Source Resistance
  - Figure 1. Three Op Amp IA Designs vs. AD620
- 2AD620SPECIFICATIONS
  - 6
  - =
  - (Typical @ +258C, V
  - 15 V, and R
  - = 2 kV, unless otherwise noted)
  - 4WARNING!
  - 5Typical Characteristics
    - (@ +258C, VS = 615 V, RL = 2 kV, unless otherwise noted)
      - Figure 3. Typical Distribution of Input Offset Voltage
      - Figure 4. Typical Distribution of Input Bias Current
      - Figure 5. Typical Distribution of Input Offset Current
      - Figure 6. Input Bias Current vs. Temperature
      - Figure 7. Change in Input Offset Voltage vs. Warm-Up Time
      - Figure 8. Voltage Noise Spectral Density vs. Frequency, (G = 11000)
  - 6AD620Typical Characteristics
    - Figure 9. Current Noise Spectral Density vs. Frequency
    - Figure 13. CMR vs. Frequency, RTI, Zero to 1 k
    - Figure 10b. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1000)
    - Figure 10a. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1)
    - Figure 11. 0.1 Hz to 10 Hz Current Noise, 5 pA/Div
    - Figure 12. Total Drift vs. Source Resistance
    - Source Imbalance
      - FREQUENCY Hz
      - 160
      - 20
      - 100k10k1k10010
      - 1M
      - 80 40 1
      - 60 0.1
      - 140 100
      - 120
      - G = 1000 G = 100 G = 10 G = 1
      - 180
    - 7Figure 14. Positive PSR vs. Frequency, RTI (G = 11000)
    - Figure 15. Negative PSR vs. Frequency, RTI (G = 11000)
      - BW LIMIT
    - Figure 16. Gain vs. Frequency
      - GAIN V/V
    - - OUTPUT VOLTAGE Volts p-p
    - Figure 17. Large Signal Frequency Response
    - Figure 18. Input Voltage Range vs. Supply Voltage, G = 1
    - Figure 19. Output Voltage Swing vs. Supply Voltage, G = 10
    - 10G=49.4 k R
    - +1
    - R
    - =49.4 k G1
    - 13R
    - =49.4 k G1
      - GROUND RETURNS FOR INPUT BIAS CURRENTS
      - 15Figure 42a. Ground Returns for Bias Currents with Transformer Coupled Inputs
      - Figure 42c. Ground Returns for Bias Currents with AC Coupled Inputs
      - Figure 42b. Ground Returns for Bias Currents with Thermocouple Inputs
        16OUTLINE DIMENSIONS
        Dimensions shown in inches and (mm).
        C1599c07/99PRINTED IN U.S.A.
        Plastic DIP (N-8) Package
        Cerdip (Q-8) Package
        SOIC (SO-8) Package

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