Datasheet AD8067 (Analog Devices)

High Gain Bandwidth Product, Precision Fast FET™ Op Amp Data Sheet AD8067 FEATURES CONNECTION DIAGRAM (TOP VIEW) FET input amplifier: 0.6 pA input bias current SOT-23-5 (RT-5) Stable for gains ≥8 High speed VOUT 1 5 +VS 54 MHz, −3 dB bandwidth (G = +10) 640 V/µs slew rate –V 2 Low noise S 6.6 nV/√Hz 0.6 fA/√Hz +IN 3 4 –IN Low offset voltage (1.0 mV max)
Figure 1.
Wide supply voltage range: 5 V to 24 V No phase reversal Low input capacitance Single-supply and rail-to-rail output Excellent distortion specs: SFDR 95 dBc @ 1 MHz High common-mode rejection ratio: −106 dB Low power: 6.5 mA typical supply current Low cost Small packaging: SOT-23-5 APPLICATIONS Photodiode preamplifiers Precision high gain amplifiers High gain, high bandwidth composite amplifiers GENERAL DESCRIPTION
The AD8067 FastFET amp is a voltage feedback amplifier with The AD8067 amplifier is available in a SOT-23-5 package and is FET inputs offering wide bandwidth (54 MHz @ G = +10) and rated to operate over the industrial temperature range of –40°C high slew rate (640 V/µs). The AD8067 is fabricated in a to +85°C. proprietary, dielectrical y isolated eXtra Fast Complementary Bipolar process (XFCB) that enables high speed, low power, and
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high performance FET input amplifiers.
G = +20 26
The AD8067 is designed to work in applications that require
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high speed and low input bias current, such as fast photodiode
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preamplifiers. As required by photodiode applications, the laser
G = +10 20
trimmed AD8067 has excellent dc voltage offset (1.0 mV max)
dB – 18
and drift (15 µV/°C max).
G = +8 GAIN 16
The FET input bias current (5 pA max) and low voltage noise
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(6.6 nV/√Hz) also contribute to making it appropriate for precision applications. With a wide supply voltage range (5 V to 24 V)
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and rail-to-rail output, the AD8067 is well suited for a variety of
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applications that require wide dynamic range and low distortion.
8 0.1 1 10 100 FREQUENCY – MHz
Figure 2. Small Signal Frequency Response
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Document Outline Features Applications Connection Diagram (Top View) General Description Revision History Specifications for ±5 V Specifications for +5 V Specifications for ±12 V Absolute Maximum Ratings Maximum Power Dissipation ESD Caution Typical Performance Characteristics Test Circuits Theory of Operation Basic Frequency Response Resistor Selection for Wideband Operation DC Error Calculations Input and Output Overload Behavior Input Protection Capacitive Load Drive Layout, Grounding, and Bypassing Considerations Layout Grounding Power Supply Bypassing Applications Wideband Photodiode Preamp Using the AD8067 at Gains of Less Than 8 Single-Supply Operation High Gain, High Bandwidth Composite Amplifier Outline Dimensions Ordering Guide