Overview
The MCP6291IDBVR is a single-channel, general-purpose, low-power operational amplifier from Texas Instruments. It is part of the MCP629x family, which includes the MCP6291 (single), MCP6292 (dual), and MCP6294 (quad) devices. This amplifier is known for its rail-to-rail input and output swings, low quiescent current, and wide bandwidth of 10 MHz, making it suitable for a variety of applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Quiescent Current | 0.6 mA | mA |
| Input Voltage Noise | 8.7 nV/√Hz at f = 10 kHz | nV/√Hz |
| Total Supply Voltage | 2.4 V to 5.5 V | V |
| Input Offset Voltage | ±0.3 mV (VS = 5 V) | mV |
| Common-Mode Voltage Range | (V–) – 0.1 V to (V+) + 0.1 V | V |
| Common-Mode Rejection Ratio (CMRR) | 80 dB (VS = 5.5 V) | dB |
| Power-Supply Rejection Ratio (PSRR) | ±7 µV/V | µV/V |
| Bandwidth | 10 MHz | MHz |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | 5-Pin SOT-23 (DBV) |
Key Features
- Rail-to-rail input and output swings
- Low quiescent current: 0.6 mA typical per channel
- Wide bandwidth: 10 MHz
- Low noise: 8.7 nV/√Hz at 10 kHz
- Internal RF and EMI filter
- Unity-gain stable
- Easier to stabilize with higher capacitive load due to resistive open-loop output impedance
- Extended temperature range: –40°C to 125°C
Applications
- Power modules
- Smoke detectors
- HVAC: heating, ventilating, and air conditioning
- Battery-powered applications
- Sensor signal conditioning
- Photodiode amplifier
- Analog filters
- Medical instrumentation
- Notebooks and PDAs
- Barcode scanners
- Audio receiver
- Automotive infotainment
Q & A
- What is the typical quiescent current of the MCP6291IDBVR? The typical quiescent current is 0.6 mA per channel.
- What is the input voltage noise of the MCP6291IDBVR at 10 kHz? The input voltage noise is 8.7 nV/√Hz at 10 kHz.
- What is the total supply voltage range for the MCP6291IDBVR? The total supply voltage range is 2.4 V to 5.5 V.
- What is the common-mode voltage range for the MCP6291IDBVR? The common-mode voltage range is (V–) – 0.1 V to (V+) + 0.1 V.
- What is the bandwidth of the MCP6291IDBVR? The bandwidth is 10 MHz.
- Is the MCP6291IDBVR unity-gain stable? Yes, the MCP6291IDBVR is unity-gain stable.
- What is the operating temperature range of the MCP6291IDBVR? The operating temperature range is –40°C to 125°C.
- What package type is the MCP6291IDBVR available in? The MCP6291IDBVR is available in a 5-Pin SOT-23 (DBV) package.
- What are some common applications of the MCP6291IDBVR? Common applications include power modules, smoke detectors, HVAC systems, battery-powered applications, sensor signal conditioning, and more.
- Does the MCP6291IDBVR have internal RF and EMI filtering? Yes, the MCP6291IDBVR has internal RF and EMI filtering.
