Overview
The LM2904PSR is a dual operational amplifier produced by Texas Instruments. It is part of the next-generation versions of the industry-standard operational amplifiers, offering enhanced features and performance. This device is particularly suited for cost-sensitive applications that require high reliability and robust performance.
The LM2904PSR includes two high-voltage operational amplifiers with a wide supply range, low quiescent current, and high unity-gain bandwidth. These features make it an excellent choice for a variety of applications, from power supplies and motor control to consumer electronics and industrial systems.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 3V | - | 36V | V |
| Quiescent Current per Channel | - | 300µA | - | µA |
| Unity-Gain Bandwidth | - | 1.2MHz | - | MHz |
| Input Offset Voltage (BA Version) | - | - | 2mV | mV |
| Input Offset Voltage (A, B Versions) | - | - | 3mV | mV |
| Common-Mode Input Voltage Range | - | - | Includes ground | V |
| Operating Temperature Range | -40°C | - | 125°C | °C |
| Package Types | - | SOIC, TSSOP, VSSOP, SOT-23 | - | - |
Key Features
- Wide supply range of 3V to 36V (B, BA versions)
- Quiescent current: 300µA per channel (B, BA versions)
- Unity-gain bandwidth of 1.2MHz (B, BA versions)
- Common-mode input voltage range includes ground, enabling direct sensing near ground
- Low input offset voltage: 2mV maximum for BA version, 3mV maximum for A and B versions
- Internal RF and EMI filter (B, BA versions)
- High ESD protection (2kV, HBM)
- Available in micro-sized packaging: SOIC, TSSOP, VSSOP, and SOT-23
Applications
- Power supplies and mobile chargers
- Motor control: AC induction, brushed DC, brushless DC, high-voltage, low-voltage, permanent magnet, and stepper motor
- Desktop PC and motherboard
- Indoor and outdoor air conditioners
- Washers, dryers, and refrigerators
- AC inverters, string inverters, central inverters, and voltage frequency drives
- Merchant network and server power supply units
- Multi-function printers
Q & A
- What is the supply voltage range of the LM2904PSR?
The supply voltage range of the LM2904PSR is from 3V to 36V.
- What is the typical quiescent current per channel for the LM2904PSR?
The typical quiescent current per channel is 300µA.
- What is the unity-gain bandwidth of the LM2904PSR?
The unity-gain bandwidth is 1.2MHz.
- What is the common-mode input voltage range of the LM2904PSR?
The common-mode input voltage range includes ground, enabling direct sensing near ground.
- What are the input offset voltage specifications for the LM2904PSR?
The input offset voltage is 2mV maximum for the BA version and 3mV maximum for the A and B versions.
- Does the LM2904PSR have built-in RF and EMI filters?
- What is the operating temperature range of the LM2904PSR?
The operating temperature range is from -40°C to 125°C.
- In what package types is the LM2904PSR available?
The LM2904PSR is available in SOIC, TSSOP, VSSOP, and SOT-23 packages.
- What are some common applications of the LM2904PSR?
Common applications include power supplies, motor control, desktop PCs, air conditioners, and various consumer electronics.
- Does the LM2904PSR have high ESD protection?
