AD Data Sheet. advertisement. a FEATURES High Speed 41 MHz, –3 dB Bandwidth V/ms Slew Rate 80 ns Settling Time Input Bias Current of 20 pA. Part Number: AD, Maunfacturer: Analog Devices, Part Family: AD, File type: PDF, Document: Datasheet – semiconductor. Part Number: ADM AD AD, Maunfacturer: Analog Devices, Part Family: AD, File type: PDF, Document: Datasheet – semiconductor.

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Documents Flashcards Grammar checker. The ac performance, gain, bandwidth, slew rate and drive capability are all very stable over temperature.

AD Datasheet and Product Info | Analog Devices

dataeheet The AD also maintains stable gain under varying load conditions. The unique input stage has ultralow input bias current and ultralow input current noise.

Signals that go to either rail on this high performance input do not cause phase reversals at the output. These features make the AD a good choice as a buffer for MUX outputs, creating minimal offset and gain errors. This power supply flexibility, and the low supply current of 6. A Information furnished by Analog Devices is believed vatasheet 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. One Technology Way, P. BoxNorwood, MAU.

AD825 Datasheet PDF

Specifications subject to change without notice. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Maximum Power Dissipation vs. Electrostatic charges as high as V readily accumulate on the human body and test equipment and can discharge without detection.


Although the AD features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. Output Voltage Swing vs. Closed-Loop Output Impedance vs. Unity Gain Bandwidth and Phase Margin vs. Quiescent Supply Current vs.

Open-Loop Gain and Phase Margin vs. Power Supply Rejection vs. Output Swing and Error vs. The output buffer stage uses emitter followers in a class AB amplifier that can deliver large current to the load while maintaining low levels of distortion. For light load, the gain of the output buffer is close to unity, CF is bootstrapped and not much happens. As the capacitive load is increased, the gain of the output buffer is decreased and the bandwidth of the amplifier is reduced through a portion of CF adding to the dominant pole.

Also, layout considerations of the input transistors assure functionality even with a large differential signal. One should consider the additional capacitance that is added to assure stability.

Datasueet filters are designed with the AD, one needs to consider the input capacitance 5 pF—6 pF of the AD as part of the passive network. With its unique input stage design, the AD assures no phase reversal even for inputs that exceed the power supply voltages, and its output stage is designed to drive heavy capacitive or resistive load with small changes relative to no load condition.


Its high frequency response makes it useful in applications such as photo diode interfaces, dxtasheet and audio circuits.

When designing high frequency circuits, some special precautions are in order. Circuits must be built with short interconnects, and resistances should have low inductive paths to ground. Power supply leads should be bypassed to common as close a825 possible to the amplifier pins. Ceramic capacitors of 0.

The extremely low bias currents of the AD allow the use of large resistor values, and consequently small capacitor values, without concern for developing large offset errors.

Low current noise is another factor in permitting the use of large resistors without having to worry about the resultant voltage noise. With the values shown, the corner frequency will be 1 MHz. The equations for component selection are shown below. Note that the noninverting input and the inverting input has an input capacitance of 6 pF.

AD Datasheet pdf – Low Cost, General Purpose, High Speed FET Amplifier – Analog Devices

As a result, the calculated value of C1 12 pF is reduced to 6 pF. A high-gain dc amplifier that has extremely high voltage gain. Current Feedback op amps enable operation at higher speeds. AD – West Florida Components.

AD – Analog Devices.