Overview
The INA214AIDCKRG4 is a high-precision current sense amplifier from Texas Instruments, part of the INA21x series. This device is designed for precise current measurement and overcurrent protection in various applications. It operates from a single 2.7-V to 26-V power supply and is available in a 6-pin SOT-SC70 (DCK) package. The INA214 features a gain of 100 V/V, making it suitable for applications requiring accurate current sensing across a wide common-mode range of –0.3 V to 26 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-SC70 (DCK) | - |
| Pins | 6 | - |
| Operating Temperature Range | –40 to 125 | °C |
| Supply Voltage | 2.7 to 26 | V |
| Common-Mode Range | –0.3 to 26 | V |
| Offset Voltage | ±60 µV (Maximum) | µV |
| Gain | 100 V/V | V/V |
| Gain Error (Maximum Over Temperature) | ±1% (Versions A and B), ±0.5% (Version C) | % |
| Quiescent Current | 100 µA (Maximum) | µA |
| Bandwidth | 30 kHz (CLOAD = 10 pF) | kHz |
| Slew Rate | 0.4 V/µs | V/µs |
Key Features
- High Precision: Low offset voltage of ±60 µV and gain error of ±1% (Versions A and B), ±0.5% (Version C) over temperature.
- Wide Common-Mode Range: Operates from –0.3 V to 26 V, independent of the supply voltage.
- Low Quiescent Current: Maximum of 100 µA, making it power-efficient.
- Compact Packaging: Available in SC70 and Thin UQFN packages.
- Wide Operating Temperature Range: Specified over –40°C to +125°C.
- High Accuracy: Enables current sensing with shunt drops as low as 10-mV full-scale.
Applications
- Notebook Computers: For power management and overcurrent protection.
- Cell Phones: For battery management and current sensing.
- Telecom Equipment: For precise current measurement and system optimization.
- Power Management: In various power supply and battery charger applications.
- Battery Chargers: For accurate current sensing and overcurrent protection.
Q & A
- What is the gain of the INA214AIDCKRG4?
The gain of the INA214AIDCKRG4 is 100 V/V.
- What is the operating temperature range of the INA214AIDCKRG4?
The operating temperature range is –40°C to +125°C.
- What is the common-mode range of the INA214AIDCKRG4?
The common-mode range is –0.3 V to 26 V.
- What is the maximum quiescent current of the INA214AIDCKRG4?
The maximum quiescent current is 100 µA.
- What package types are available for the INA214AIDCKRG4?
The device is available in SC70 and Thin UQFN packages.
- What is the bandwidth of the INA214AIDCKRG4?
The bandwidth is 30 kHz with a 10 pF load capacitance.
- What is the slew rate of the INA214AIDCKRG4?
The slew rate is 0.4 V/µs.
- What are some typical applications of the INA214AIDCKRG4?
Typical applications include notebook computers, cell phones, telecom equipment, power management, and battery chargers.
- What is the maximum offset voltage of the INA214AIDCKRG4?
The maximum offset voltage is ±60 µV.
- What is the power supply range for the INA214AIDCKRG4?
The device operates from a single 2.7-V to 26-V power supply.
