AD645BH Analog Devices, AD645BH Datasheet
AD645BH
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AD645BH Summary of contents
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... Figure 1. AD645 Voltage Noise Spectral Density vs. Frequency REV. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices ...
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AD645–SPECIFICATIONS Model 1 Conditions 1 INPUT OFFSET VOLTAGE Initial Offset Offset T –T MIN MAX Drift (Average) vs. Supply (PSRR) vs. Supply T –T MIN MAX 2 INPUT BIAS CURRENT Either Input Either Input @ ...
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... ORDERING GUIDE 1 Model Temperature Range Package Option AD645JN +70 C AD645KN +70 C AD645AH – +85 C AD645BH – +85 C AD645CH – +85 C AD645SH/883B – +125 C NOTES 1 Chips are also available Plastic Mini-DIP Metal Can. ...
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AD645–Typical Characteristics 100 10 1.0 0 100 1k 10k 100k FREQUENCY – Hz Figure 7. Current Noise Spectral Density vs. Frequency 1k 100 NOISE BANDWIDTH: 0.1 to 10Hz 10 1 ...
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15V S H PACKAGE 1.0 0.1 – – 5 – – COMMON MODE VOLTAGE – Volts Figure 16. Input Bias Current vs. Common-Mode Voltage 120 ...
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AD645 AD645–Typical Characteristics 0.1% 0.01 ERROR – 2 0.1% 0.01% – 4 – 6 – 8 – 10 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 SETTLING TIME – µs Figure 25. Output ...
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GUARD 2 AD645 3 8 PHOTODIODE Figure 30. The AD645 Used as a Sensitive Preamplifier Preamplifier Applications The low input current and offset voltage levels of the AD645 to- gether with its low voltage noise make this ...
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AD645 10pF AD645 PHOTODIODE Figure 34. A Photodiode Preamp Employing a “T” Network for Added Gain A pH Probe Buffer Amplifier A typical pH probe requires a buffer amplifier to isolate its source ...