ISL28274FAZ-T7 Integrated Circuits (ICs) |
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Allicdata Part #: | ISL28274FAZ-T7TR-ND |
Manufacturer Part#: |
ISL28274FAZ-T7 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Intersil |
Short Description: | IC OPAMP INSTR 6MHZ RRO 16QSOP |
More Detail: | Instrumentation Amplifier 2 Circuit Rail-to-Rail 1... |
DataSheet: | ISL28274FAZ-T7 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Amplifier Type: | Instrumentation |
Number of Circuits: | 2 |
Output Type: | Rail-to-Rail |
Slew Rate: | 0.5 V/µs |
Gain Bandwidth Product: | 6MHz |
Current - Input Bias: | 10pA |
Voltage - Input Offset: | 35µV |
Current - Supply: | 120µA |
Current - Output / Channel: | 31mA |
Voltage - Supply, Single/Dual (±): | 2.4 V ~ 5 V, ±1.2 V ~ 2.5 V |
Operating Temperature: | -40°C ~ 125°C |
Mounting Type: | Surface Mount |
Package / Case: | 16-SSOP (0.154", 3.90mm Width) |
Supplier Device Package: | 16-QSOP |
Base Part Number: | ISL28274 |
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ISL28274FAZ-T7 Application Field and Working Principle
The ISL28274FAZ-T7 is a Low Noise Current Feedback Amplifier (LNFA) designed for use in a variety of high-performance instrumentation, buffer, and op amp applications. It offers a wide range of performance advantages that make it one of the most versatile options available, including low noise and low distortion, low-voltage operation, and an integrated current feedback. The ISL28274FAZ-T7 is optimized for precision instrumentation, buffer amp, and certain op amp applications, including laser diodes, photodiode, and audio/video motor control.
The ISL28274FAZ-T7 is composed of two transistors, one P-channel MOSFET and one N-channel MOSFET. The two transistors are connected in the complementary circuit configuration to create a low noise current feedback amplifier. The P-channel transistor acts as a current source and the N-channel transistor acts as a current sink. The two transistors operate in parallel and generate an output that is 180 degrees out of phase with the input signal.
The device features an integrated current-feedback scheme that offers a high linearity input stage and an overdrive recovery stage and is optimized for instrumentation and buffer amp applications. The current-feedback scheme reduces amplifier output impedance and increases bandwidth, providing superior performance compared to a standard op amp design. This allows the device to operate over a wide dynamic range while preserving a low noise and distortion profile.
The ISL28274FAZ-T7 is well suited for applications that require low-voltage operation. It allows for a wide input voltage range of -4V to +4V and can operate with a single 3.3V supply. The device comes in a compact 3 mm x 3 mm QFN package and offers a power dissipation of only 1.1 mW. It also features an integrated thermal protection circuit, which monitors the device’s temperature in order to protect it from damage caused by excessive heat.
The ISL28274FAZ-T7 operates in the frequency range from 10 Hz to 100kHz and provides a signal-to-noise ratio of >90dB. The device is Logarithmic Order Magnitude (LOG) compatible, can operate in input single-ended or differential mode, and offers a high-input impedance of >10MΩ. In addition, the device features an enable pin which can be used to shut off the output signal in order to reduce power consumption.
The ISL28274FAZ-T7 is optimized for use in a variety of instrumentation, buffer amp, and certain opamp applications. It offers a wide range of performance advantages that make it one of the most versatile devices available, including its low noise, low distortion, and low-voltage operation, as well as its current-feedback architecture. With its integrated thermal protection focus and enable pin, it is the ideal choice for applications that require the highest precision and performance.
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