Overview
The REF3140AIDBZT is a precision, low power, low dropout series voltage reference from Texas Instruments. This component is part of the REF31xx family and is designed to offer high accuracy and stability in a compact package. The REF3140AIDBZT is housed in a tiny 3-pin SOT-23 package, making it ideal for portable and battery-powered applications due to its small size and low power consumption of 100 µA typical.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT-23-3, TO-236-3, SC-59 |
| Pins | 3 |
| Operating Temperature Range (°C) | -40 to 125 |
| Output Voltage (V) | 4.096V |
| Output Current (mA) | ±10 mA |
| Tolerance | ±0.2% |
| Temperature Coefficient (ppm/°C) | 20 ppm/°C (Max) from 0°C to +125°C |
| Supply Current (µA) | 115 µA (Max) |
| Low Dropout (mV) | 5 mV |
| Noise (0.1Hz to 10Hz) | 53 µVp-p |
| Noise (10Hz to 10kHz) | 78 µVrms |
| Input Voltage Range (V) | 4.146 V ~ 5.5 V |
| Mounting Type | Surface Mount |
Key Features
- Compact Package: Available in the tiny 3-pin SOT-23 package.
- Low Power Consumption: Typical supply current of 100 µA.
- High Accuracy: Output voltage tolerance of ±0.2% maximum.
- Low Dropout: Dropout voltage of 5 mV.
- High Output Current: Can source or sink up to ±10 mA of output current.
- Excellent Drift Performance: Temperature coefficient of 20 ppm/°C (Max) from 0°C to +125°C.
- Stability with Capacitive Load: Stable with any capacitive load and does not require a load capacitor.
Applications
The REF3140AIDBZT is particularly suited for applications requiring high precision and low power consumption, such as:
- Portable and battery-powered devices.
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive electronics.
Q & A
- What is the typical supply current of the REF3140AIDBZT?
The typical supply current is 100 µA.
- What is the output voltage of the REF3140AIDBZT?
The output voltage is 4.096V.
- What is the maximum output current of the REF3140AIDBZT?
The maximum output current is ±10 mA.
- What is the temperature coefficient of the REF3140AIDBZT?
The temperature coefficient is 20 ppm/°C (Max) from 0°C to +125°C.
- What is the operating temperature range of the REF3140AIDBZT?
The operating temperature range is -40°C to 125°C.
- Does the REF3140AIDBZT require a load capacitor?
No, it does not require a load capacitor but is stable with any capacitive load.
- What is the package type of the REF3140AIDBZT?
The package types include SOT-23-3, TO-236-3, and SC-59.
- What is the low dropout voltage of the REF3140AIDBZT?
The low dropout voltage is 5 mV.
- What are the noise specifications of the REF3140AIDBZT?
The noise specifications are 53 µVp-p from 0.1Hz to 10Hz and 78 µVrms from 10Hz to 10kHz.
- What is the input voltage range for the REF3140AIDBZT?
The input voltage range is 4.146 V ~ 5.5 V.
