Overview
The LM2904P, manufactured by Texas Instruments, is a dual operational amplifier designed for a wide range of applications. It is part of the LMx58 family, known for its versatility and reliability. This device is suitable for both single and dual supply operations, making it a versatile component in various electronic circuits. The LM2904P is particularly noted for its high gain, low input bias and offset parameters, and its ability to operate over a broad temperature range.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Supply Voltage (Single/Dual) | 3 V to 26 V, ±1.5 V to ±13 V | V |
| Unity-Gain Bandwidth | 0.7 MHz (LM2904), 1.2 MHz (LM2904B) | MHz |
| Slew Rate | 0.3 V/μs | V/μs |
| Input Offset Voltage | 3 mV (A, B versions), 2 mV (BA version) | mV |
| Input Bias Current | 20 nA | nA |
| Supply Current | 1 mA (LM2904), 300 μA/ch (LM2904B) | mA/μA |
| Output Current | 30 mA | mA |
| Operating Temperature | -40°C to 125°C | °C |
| Package | 8-DIP (0.300", 7.62mm) | - |
Key Features
- Wide supply voltage range: 3 V to 26 V for single supply and ±1.5 V to ±13 V for dual supply.
- Low supply-current drain, independent of supply voltage.
- High unity-gain bandwidth and slew rate, making it suitable for various high-frequency applications.
- Common-mode input voltage range includes ground, allowing direct sensing near ground.
- Internal frequency compensation and RF/EMI filters in B and BA versions.
- High ESD tolerance (2 kV, HBM) for rugged applications.
Applications
- Blu-ray players and home theaters.
- DVD recorders and players.
- Digital multimeters: bench and handheld systems.
- Field transmitters: temperature sensors.
- Motor control: AC induction, brushed DC, brushless DC, high-voltage, low-voltage, permanent magnet, and stepper motors.
- Oscilloscopes.
- TV: LCD and digital.
- Temperature sensors or controllers using Modbus.
- Weigh scales.
Q & A
- What is the supply voltage range for the LM2904P?
The LM2904P can operate from a single supply of 3 V to 26 V or dual supplies of ±1.5 V to ±13 V. - What is the typical input offset voltage for the LM2904P?
The typical input offset voltage is 3 mV for A and B versions, and 2 mV for BA versions. - What is the unity-gain bandwidth of the LM2904P?
The unity-gain bandwidth is 0.7 MHz for the LM2904 and 1.2 MHz for the LM2904B. - What is the slew rate of the LM2904P?
The slew rate is 0.3 V/μs. - What are the common applications of the LM2904P?
Common applications include Blu-ray players, DVD recorders, digital multimeters, field transmitters, motor control systems, oscilloscopes, and temperature sensors. - What is the operating temperature range for the LM2904P?
The operating temperature range is -40°C to 125°C. - What package types are available for the LM2904P?
The LM2904P is available in an 8-DIP package among others. - Does the LM2904P have internal RF and EMI filters?
Yes, the B and BA versions of the LM2904P include internal RF and EMI filters. - What is the typical supply current for the LM2904P?
The typical supply current is 1 mA for the LM2904 and 300 μA per channel for the LM2904B. - Is the LM2904P suitable for high ESD environments?
Yes, the LM2904P has a high ESD tolerance of 2 kV (HBM).
