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INA281A3IDBVR
IC CURR SENSE 1 CIRCUIT SOT23-5
- Manufacturer
- Mfr. Part #INA281A3IDBVR
- Package
- Datasheet
- In Stock4633
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Specifications
| Part Status | Active |
| Base Product Number | INA281 |
| Amplifier Type | Current Sense |
| Number of Circuits | 1 |
| Slew Rate | 2.5V/µs |
| Gain Bandwidth Product | 1 MHz |
| Current - Input Bias | 20 µA |
| Voltage - Input Offset | 30 µV |
| Current - Supply | 1.5mA |
| Voltage - Supply Span (Min) | 2.7 V |
| Voltage - Supply Span (Max) | 20 V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Overview
Description
The device operates with a supply voltage ranging from 2.7 V to 5.5 V and is known for its low offset voltage, ensuring minimal error in current measurement. Its high bandwidth and fast response time make it ideal for fast-changing load conditions. Additionally, the INA281A3IDBVR is designed for robust performance in harsh environments, with a temperature range from -40°C to 125°C.
Typical applications include overcurrent protection, battery management systems, motor control, and power management solutions. The device is packaged in a small, lead-free, surface-mount SOT-23 package, making it easy to integrate into various circuit designs.
Features
1. Wide Input Common-Mode Voltage Range: Operates from -4 V to +110 V, making it suitable for monitoring currents in a variety of systems, including those in automotive and industrial applications.
2. High Accuracy and Precision: Offers low offset voltage of 70 µV and a gain error of 0.2%, ensuring precise current measurements.
3. Fixed Gain: The INA281A3IDBVR variant has a fixed gain of 200 V/V, allowing for consistent performance without needing external gain setting components.
4. Fast Response Time: Features a fast response with a 2 µs settling time for quick current sensing.
5. High Bandwidth: Provides a bandwidth of 550 kHz, supporting dynamic measurement applications.
6. Low Quiescent Current: Consumes only 1.9 mA, suitable for low-power applications.
7. Compact Package: Available in a small SOT-23 package, facilitating space-saving designs.
These features make the INA281A3IDBVR ideal for applications requiring precise and reliable current sensing, such as battery management systems, power supplies, and motor controls.
Package
Pinout
1. V+: Supply voltage pin. This pin is connected to the power supply voltage required for the operation of the device.
2. IN+: Positive differential input pin. Connect this pin to the positive side of the shunt resistor for current sensing.
3. IN-: Negative differential input pin. Connect this pin to the negative side of the shunt resistor.
4. REF: Reference voltage input pin. This pin sets the output voltage reference level and is typically connected to ground for a single-ended output.
5. OUT: Output pin. This pin provides the amplified output voltage that represents the sensed current.
6. GND: Ground pin. Connect this pin to the system ground.
The INA281A3IDBVR is designed for high accuracy and operates over a wide voltage range, making it suitable for a variety of current sensing applications.
Manufacturer
Application
Equivalent
1. MAX40080 - From Maxim Integrated, offering similar functionality.
2. AD8418A - From Analog Devices, with comparable performance.
3. LT1999 - From Analog Devices, another precision current sense amplifier.
4. ACS710 - From Allegro Microsystems for similar applications.
These alternatives provide similar performance characteristics such as high accuracy, fast response time, and wide input common-mode voltage range. Always verify electrical specifications and package compatibility for your specific application.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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