10 MHz G = 1, 2, 5, 10 iCMOS Programmable Gain Instrumentation Amplifier
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25 /10 — Data Sheet. AD8250. 150. G = 10. G = 5. 130. 110. G = 2. G = 1. RR ( S. …
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Data Sheet. AD8250. 150. G = 10. G = 5. 130. 110. G = 2. G = 1. RR ( S. 1µV/DIV. 1s/DIV. 100. 10k. 100k. FREQUENCY (Hz). A/ p. ( E. RR (. CURRE. ) V µ. TI ( , R
Data SheetAD8250150G = 10G = 5130110G = 2G = 1B)90dRR ( S70P50301µV/DIV1s/DIV 012 10 06288- 1101001k10k100k1M 016 FREQUENCY (Hz) 06288- Figure 12. 0.1 Hz to 10 Hz RTI Voltage Noise, G = 10 Figure 15. Positive PSRR vs. Frequency, RTI 181501613014)G = 10110Hz12A/ pG = 5( EB)1090dISG = 2NORR (8S70NTPG = 1650CURRE4302 013 0 06288- 101101001k10k100k1101001k10k100k1M 017 FREQUENCY (Hz)FREQUENCY (Hz) 06288- Figure 13. Current Noise Spectral Density vs. Frequency Figure 16. Negative PSRR vs. Frequency, RTI 109) V µ8TI ( , R7GE6OLTA5T V E4OFFS3INGE2N A H1C140pA/DIV1s/DIV 014 0 117 06288- 0.010.1110WARMUP TIME (Minutes) 06288- Figure 14. 0.1 Hz to 10 Hz Current Noise Figure 17. Change in Offset Voltage, RTI vs. Warmup Time Rev. C | Page 9 of 24 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Timing Diagram Absolute Maximum Ratings Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Gain Selection Transparent Gain Mode Latched Gain Mode Timing for Latched Gain Mode Power Supply Regulation and Bypassing Input Bias Current Return Path Input Protection Reference Terminal Common-Mode Input Voltage Range Layout Grounding Coupling Noise Common-Mode Rejection RF Interference Driving an ADC Applications Differential Output Setting Gains with a Microcontroller Data Acquisition Outline Dimensions Ordering Guide