
Allicdata Part #: | 296-26292-2-ND |
Manufacturer Part#: |
OPA569AIDWPR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC OPAMP GP 1.2MHZ RRO 20SOPWR |
More Detail: | General Purpose Amplifier 1 Circuit Rail-to-Rail 2... |
DataSheet: | ![]() |
Quantity: | 2000 |
Voltage - Input Offset: | 500µV |
Base Part Number: | OPA569 |
Supplier Device Package: | 20-SO PowerPad |
Package / Case: | 20-SOIC (0.295", 7.50mm Width) Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C |
Voltage - Supply, Single/Dual (±): | 2.7 V ~ 5.5 V, ±1.35 V ~ 2.75 V |
Current - Output / Channel: | 2.4A |
Current - Supply: | 9mA |
Series: | -- |
Current - Input Bias: | 1pA |
Gain Bandwidth Product: | 1.2MHz |
Slew Rate: | 1.2 V/µs |
Output Type: | Rail-to-Rail |
Number of Circuits: | 1 |
Amplifier Type: | General Purpose |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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OPA569AIDWPR is a single-supply, dual-channel, low-noise current-feedback amplifier designed for signal conditioning, signal routing and saturation protection. The device offers low gain-error, excellent distortion performance, a wide gain range and extensive system level diagnostics. This technology provides a wide range of applications from low voltage power regulation to signal conditioning, signal routing and saturating protection.
In linear applications, OPA569AIDWPR can be used as a low-gain buffer amplifier to achieve separation between the input and output of the signal chain. It can be configured as a 0.07 to 15mA current-feedback amplifier with a wide input common-mode range to reduce distortion. This makes the amplifier suitable for use in systems where power supply hum must be prevented from reaching the output stages.
In instrumentation, OPA569AIDWPR is used to condition signals before they are sent to an ADC or DAC. It also helps eliminate AC signal distortion and DC offsets in low level signals as well as stabilize low frequency response when used in applications where multiple stages of amplification or gain control are required. Additionally, the device can be used as an inverting voltage-feedback amplifier to sense critical voltages and regulate them against a reference.
When used as a buffer amplifier, OPA569AIDWPR helps extend the gain bandwidth of voltage-feedback amplifiers and helps to reduce distortion. It can also be used to reduce loading effects on a signal by providing a low impedance path between a source and a load. OPA569AIDWPR has a high slew rate, low input bias current and high output current capability which makes it suitable for active termination schemes.
At its core, OPA569AIDWPR works using the principles of current-feedback topology. Current-feedback amplifiers (CFAs) are a type of high performance feedback amplifiers that are closely related to voltage-feedback amplifiers (VFAs). CFAs have many of the same design features as VFAs and provide minimal phase-shift, low distortion and high fidelity outputs. Additionally, despite having high output overload recover times and a high slew rate, CFAs are capable of operating at high gains and large output swings. The basic operation of a CFA can be broken down into four stages: the input stage, power amplifier, feedback loop and output stage.
The input stage of a CFA is a current-feedback amplifier (CFA), which is an operational amplifier that utilizes current signals rather than voltage signals as inputs and outputs. The CFA amplifies the input current and buffers it to the power amplifier, which then converts the current signal into a voltage signal to be used as a reference for the feedback loop. The feedback loop, which consists of resistors and capacitors, is used to regulate the gain of the amplifier and to ensure that the output signal matches the reference. Finally, the output stage takes the reference voltage from the feedback loop and converts it back into a current signal, which is amplified and fed back to the input stage.
Overall, OPA569AIDWPR is a low-power, dual-channel and low-noise current-feedback amplifier that offers a wide range of applications from low voltage power regulation to signal conditioning, signal routing and saturation protection. The device offers low gain-error, excellent distortion performance, a wide variety of gains and extensive system level diagnostics. Its ability to operate at high gains, large output swings and high slew rates make it suitable for applications where precision and low distortion are essential, such as in instrumentation and buffer amplifiers.
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