Overview
The LM2904PWRG4 is a next-generation version of the industry-standard operational amplifier (op amp) LM2904, produced by Texas Instruments. This device includes two high-voltage (36 V) op amps, providing outstanding value for cost-sensitive applications. It features enhanced specifications such as low offset voltage, common-mode input range to ground, and high differential input voltage capability. The LM2904PWRG4 is designed to simplify circuit design with its unity-gain stability, lower quiescent current, and integrated EMI and RF filters, making it suitable for rugged and environmentally challenging applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 3 | - | 36 | V |
| Quiescent Current per Channel | - | 300 | - | µA |
| Unity-Gain Bandwidth | - | 1.2 | - | MHz |
| Input Offset Voltage (LM2904B) | - | ±3.0 | ±4.0 | mV |
| Input Offset Voltage (LM2904BA) | - | ±2.0 | ±3.0 | mV |
| Common-Mode Input Voltage Range | V- | - | V+ - 2 | V |
| Operating Ambient Temperature | -40 | - | 125 | °C |
| ESD (HBM) | - | 2000 | - | V |
| Package Type | - | TSSOP (PW) | - | - |
| Pins | - | 8 | - | - |
Key Features
- Wide supply range of 3 V to 36 V (B, BA versions)
- Quiescent current: 300 µA/ch (B, BA versions)
- Unity-gain bandwidth of 1.2 MHz (B, BA versions)
- Common-mode input voltage range includes ground, enabling direct sensing near ground
- 2-mV input offset voltage maximum at 25°C (BA version) and 3-mV input offset voltage maximum at 25°C (A, B versions)
- Internal RF and EMI filter (B, BA versions)
- High ESD (2 kV, HBM) protection
- Available in micro-sized packaging such as SOT23-8, SOIC, TSSOP, and VSSOP
Applications
- Merchant network and server power supply units
- Multi-function printers
- 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
- Uninterruptible power supplies
- Electronic point-of-sale systems
Q & A
- What is the supply voltage range for the LM2904PWRG4? The supply voltage range is from 3 V to 36 V.
- What is the typical quiescent current per channel for the LM2904PWRG4? The typical quiescent current per channel is 300 µA.
- What is the unity-gain bandwidth of the LM2904PWRG4? The unity-gain bandwidth is 1.2 MHz.
- What is the common-mode input voltage range for the LM2904PWRG4? The common-mode input voltage range includes ground, up to V+ - 2 V.
- What is the maximum input offset voltage for the LM2904BA version at 25°C? The maximum input offset voltage for the LM2904BA version at 25°C is 2 mV.
- Does the LM2904PWRG4 have built-in EMI and RF filters? Yes, it has internal RF and EMI filters.
- What is the ESD protection rating for the LM2904PWRG4? The ESD protection rating is 2 kV (HBM).
- In what packages is the LM2904PWRG4 available? It is available in packages such as SOT23-8, SOIC, TSSOP, and VSSOP.
- What are some common applications for the LM2904PWRG4? Common applications include power supplies, motor control, desktop PCs, air conditioners, and electronic point-of-sale systems.
- What is the operating ambient temperature range for the LM2904PWRG4? The operating ambient temperature range is from -40°C to 125°C.
