AD627Data Sheet120500mV1s110100100G = +1000) 90B dG = +100( R 80R70IVE PS T 60G = +5SI10PO 5040 9 -00 30 782 00 20 2 01 101001k10k100k 2- FREQUENCY (Hz) 78 00 Figure 11. 0.1 Hz to 10 Hz Current Noise (0.71 pA/DIV) Figure 14. Positive PSRR vs. Frequency, ±5 V 10020mV 1s 1s901008070B) dG = +100060RR ( S P 50E IVG = +10040AT G E10N 30G = +520 10 0 2- 10 78 00 0 3 101001k10k100k 01 2- FREQUENCY (Hz) 78 00 Figure 12. 0.1 Hz to 10 Hz RTI Voltage Noise (400 nV/DIV), G = +5 Figure 15. Negative PSRR vs. Frequency, ±5 V 1202V1s110100100G = +1000) 90B d ( R 80G = +100SR70IVE P T 60G = +5SI10PO 5040 11 0 2- 30 78 00 20 14 101001k10k100k 0 2- FREQUENCY (Hz) 78 00 Figure 13. 0.1 Hz to 10 Hz RTI Voltage Noise (200 nV/DIV), G = +1000 Figure 16. Positive PSRR vs. Frequency (VS = 5 V, 0 V) Rev. E | Page 10 of 24 Document Outline Features Applications Functional Block Diagram General Description Table of Contents Revision History Specifications Single Supply Dual Supply Dual and Single Supplies Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Using the AD627 Basic Connections Setting the Gain Reference Terminal Input Range Limitations in Single-Supply Applications Output Buffering Input and Output Offset Errors Make vs. Buy: A Typical Application Error Budget Errors Due to AC CMRR Ground Returns for Input Bias Currents Layout and Grounding Input Protection RF Interference Applications Circuits Classic Bridge Circuit 4 mA to 20 mA Single-Supply Receiver Thermocouple Amplifier Outline Dimensions Ordering Guide