Overview
The Texas Instruments LPV802DGKR is a dual-channel, ultra-low-power operational amplifier designed for low-voltage applications. This amplifier is part of the LPV80x family, which is optimized for sensing applications in battery-powered wireless and low-power wired equipment. With its low quiescent current and wide supply voltage range, the LPV802DGKR is ideal for applications where power consumption is critical, such as in CO detectors, smoke detectors, and PIR motion detectors. The device features a compact VSSOP-8 package, making it suitable for space-constrained designs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | LPV802DGKR |
| Number of Channels | 2 |
| Package / Case | 8-VSSOP (DGK) |
| Number of Pins | 8 |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage Range | 1.6V to 5.5V |
| Quiescent Current per Channel | 320 nA |
| Unity Gain Bandwidth | 8 kHz |
| Slew Rate | 0.0018 V/μs |
| Input Bias Current | 0.1 pA |
| Offset Voltage (Max) | 3.5 mV |
| Common Mode Rejection Ratio (Typ) | 98 dB |
| Output Current per Channel (Typ) | 4.7 mA |
| Rail-to-Rail Output | In to V-, Out |
| EMI Protection | Yes |
Key Features
- Nanopower Supply Current: 320 nA per channel, making it suitable for battery-powered applications.
- Low Offset Voltage: Maximum of 3.5 mV at 25°C.
- Wide Supply Voltage Range: Operates from 1.6V to 5.5V.
- Rail-to-Rail Output: Capable of swinging within millivolts of the supply rails.
- EMI Protection: Designed to reduce system sensitivity to unwanted RF signals.
- Unity Gain Stable: No output reversals.
- Compact Package: VSSOP-8 package for space-efficient designs.
- Low Input Bias Current: 0.1 pA, suitable for high-impedance sources.
- High Common Mode Rejection Ratio (CMRR): Typically 98 dB.
Applications
- Precision Voltage Regulation: Ideal for applications requiring high accuracy and low dropout.
- Portable Electronics: Suitable for battery-powered devices where long battery life is crucial.
- Sensing Applications: Used in CO detectors, smoke detectors, and PIR motion detectors.
- Low-Power Wired Equipment: Applicable in various low-power wired systems.
Q & A
- What is the part number of this operational amplifier?
The part number is LPV802DGKR.
- Who is the manufacturer of the LPV802DGKR?
The manufacturer is Texas Instruments.
- What is the package type of the LPV802DGKR?
The package type is 8-VSSOP (DGK).
- What is the operating temperature range of the LPV802DGKR?
The operating temperature range is -40°C to 125°C.
- What is the quiescent current per channel of the LPV802DGKR?
The quiescent current per channel is 320 nA.
- Does the LPV802DGKR have EMI protection?
Yes, it has built-in EMI protection.
- What is the unity gain bandwidth of the LPV802DGKR?
The unity gain bandwidth is 8 kHz.
- What is the maximum offset voltage of the LPV802DGKR?
The maximum offset voltage is 3.5 mV.
- Is the LPV802DGKR rail-to-rail output capable?
Yes, it has rail-to-rail output capability.
- What is the typical common mode rejection ratio (CMRR) of the LPV802DGKR?
The typical CMRR is 98 dB.
