AD642 Analog Devices, AD642 Datasheet
AD642
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AD642 Summary of contents
Page 1
... FET input operational amplifiers max matched for the AD642K and max, matched for the AD642J and S. In addition, the offset voltage is laser trimmed to less than 0.5 mV and matched to 0.25 mV for the AD642L, 1.0 mV and matched to 0.5 mV for the AD642K, utilizing Analog’ ...
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... AD642JH AD642KH = + 0.100 (2.54) 0.160 (4.06) BSC 0.110 (2.79 0.045 (1.14) 0.027 (0.69 0.034 (0.86) 0.027 (0.69) 45 BSC –2– AD642L AD642S Min Typ Max Min Typ Max 250,000 250,000 250,000 100,000 1.0 1 2.0 3.0 2.0 3.0 0.5 1.0 1.0 3.5 100 100 ...
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... Figure 4. Quiescent Current vs. Supply Voltage Figure 7. Input Bias Current vs. CMV Figure 10. Open Loop Frequency Response REV. 0 REV. 0 Typical Characteristics–AD642 Figure 2. Output Voltage Swing vs. Supply Voltage Figure 5. Input Bias Current vs. Power Supply Voltage Figure 8. Change in Offset vs. Warm-Up Time Figure 11. Open Loop Voltage Gain vs. Supply Voltage – ...
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... AD642 Figure 13. Common-Mode Rejection Ratio vs. Frequency Figure 16. Total Harmonic Distortion vs. Frequency a. Unity Gain Follower Figure 19 Test Circuits Figure 21a. Unity Gain Follower Pulse Response (Large Signal) Figure 22a. Unity Gain Inverter Figure 14. Large Signal Frequency Response Figure 17. Input Noise Voltage Spectral Density b ...
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... Typically this noise is not important above 10 Hz, but it can be important for low fre- quency-high gain applications. The low noise characteristic of the AD642 make it ideal for 1/f noise testing circuits. The circuit of Figure 0 bandpass filter with second order filter characteristics. ...
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... AD642 make it suitable for wide dynamic range log amplifiers. Figure schematic of a log ratio circuit employing the AD642 that can achieve less than 1% conformance error over 5 decades of current input 100 A. For voltage inputs, the dynamic range is typically for 1% error limited on the low end by the amplifier’ ...