Overview
The LM2904AVQDR, produced by Texas Instruments, is a versatile integrated circuit that contains two independent operational amplifiers (op-amps) within a single chip. These op-amps are internally frequency-compensated, ensuring stable and reliable performance across a wide voltage range, even when powered by a single supply. This IC is known for its dependable operation, making it suitable for various applications where stable and latch-up-free performance is crucial.
Key Specifications
| Specification | Value |
|---|---|
| DC Voltage Gain | 100 dB |
| Voltage Supply Range | 3 V to 26 V |
| Power Supply Rejection Ratio (PSRR) | 50 dB |
| Operating Current Supply | 250 µA |
| Input Offset Voltage (Vos) | ±3 mV (typical), ±7 mV (max) |
| Output Current per Channel | 30 mA |
| Bandwidth (BW) | 1 MHz |
| Input Bias Current (Ib) | 250 nA |
| Common Mode Rejection Ratio (CMRR) | 70 dB |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | SOIC (8-pin) |
Key Features
- Internally frequency-compensated op-amps for stable performance.
- Single supply operation with a wide voltage range (3 V to 26 V).
- High power supply rejection ratio (PSRR) of 50 dB.
- Low input offset voltage (Vos) of ±3 mV (typical).
- Output current per channel of 30 mA.
- Bandwidth of 1 MHz.
- Low input bias current (Ib) of 250 nA.
- High common mode rejection ratio (CMRR) of 70 dB.
- Built-in short circuit protection.
- Unity-gain stability and integrated EMI and RF filters.
- High ESD protection (2 kV, HBM).
Applications
- Voltage regulation and signal amplification.
- Active filtering and voltage followers.
- Audio equipment, such as guitar amplifiers and high-fidelity audio systems.
- Medical devices and sensor interfaces.
- Automotive electronics, including embedded systems and battery management systems.
- Digital multimeters and control systems.
- Instrumentation and timing circuits, including multivibrators and oscillators.
Q & A
- What is the LM2904AVQDR?
The LM2904AVQDR is a dual operational amplifier IC produced by Texas Instruments, featuring two independent op-amps in a single chip.
- What is the voltage supply range of the LM2904AVQDR?
The voltage supply range is from 3 V to 26 V.
- What is the typical input offset voltage of the LM2904AVQDR?
The typical input offset voltage is ±3 mV.
- What is the bandwidth of the LM2904AVQDR?
The bandwidth is 1 MHz.
- Does the LM2904AVQDR have built-in short circuit protection?
- What are some common applications of the LM2904AVQDR?
Common applications include audio equipment, medical devices, automotive electronics, digital multimeters, and control systems.
- What is the operating temperature range of the LM2904AVQDR?
The operating temperature range is -40°C to 125°C.
- What package types are available for the LM2904AVQDR?
It is available in SOIC (8-pin), TSSOP (8-pin), and VSSOP (8-pin) packages.
- Does the LM2904AVQDR have ESD protection?
- What is the common mode rejection ratio (CMRR) of the LM2904AVQDR?
The CMRR is 70 dB.
