Overview
The LM2904BAIDGKR, produced by Texas Instruments, is a versatile integrated circuit that contains two independent operational amplifiers (op-amps) within a single chip. This dual op-amp IC is designed to operate from a single power supply over a wide range of voltages, making it suitable for various applications where efficient power consumption is crucial. The LM2904 is internally frequency-compensated, ensuring stable and reliable performance, and it features short circuit protection, which enhances its reliability and extends the device’s lifespan.
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) | 7 mV |
| Output Current per Channel | 30 mA |
| Bandwidth (BW) | 1 MHz |
| Input Bias Current (Ib) | 250 nA |
| Common Mode Rejection Ratio (CMRR) | 70 dB |
Key Features
- Internally frequency-compensated for stable performance
- Short circuit protection to enhance reliability
- Low input bias current and offset voltage
- Wide voltage supply range (3 V to 26 V)
- High DC voltage gain (100 dB)
- High common-mode rejection ratio (70 dB)
- Low power consumption (250 µA operating current)
- No latch-up issues, ideal for voltage follower applications
- Available in various packages including SOIC, PDIP, and DSBGA
Applications
- Voltage regulation and signal amplification
- Active filtering and transducer amplifiers
- Digital multimeters and oscilloscopes
- Guitar amplifiers and DVD players
- Automotive electronics, especially in embedded systems
- Medical devices and audio equipment
- DC gain blocks, integrators, differentiators, and summing amplifiers
- Battery management systems and voltage followers
- Comparators, multivibrators, and oscillators
Q & A
- What is the voltage supply range of the LM2904BAIDGKR?
The voltage supply range of the LM2904BAIDGKR is from 3 V to 26 V.
- What is the DC voltage gain of the LM2904BAIDGKR?
The DC voltage gain of the LM2904BAIDGKR is 100 dB.
- Does the LM2904BAIDGKR have short circuit protection?
Yes, the LM2904BAIDGKR has built-in short circuit protection.
- What is the input offset voltage of the LM2904BAIDGKR?
The input offset voltage of the LM2904BAIDGKR is 7 mV.
- What is the bandwidth of the LM2904BAIDGKR?
The bandwidth of the LM2904BAIDGKR is 1 MHz.
- Can the LM2904BAIDGKR operate from a single power supply?
Yes, the LM2904BAIDGKR can operate from a single power supply over a wide range of voltages.
- What are some common applications of the LM2904BAIDGKR?
Common applications include voltage regulation, signal amplification, active filtering, digital multimeters, and automotive electronics.
- What is the common-mode rejection ratio (CMRR) of the LM2904BAIDGKR?
The CMRR of the LM2904BAIDGKR is 70 dB.
- Does the LM2904BAIDGKR have latch-up issues?
No, the LM2904BAIDGKR does not have latch-up issues, making it ideal for voltage follower applications.
- What are the available packages for the LM2904BAIDGKR?
The LM2904BAIDGKR is available in SOIC, PDIP, and DSBGA packages.
