STMicroelectronics' model LM2904DT (click to buy now) is a dual op amp integrated circuit, consisting of two independent high-gain operational amplifiers (op amps), which implement frequency compensation internally. They are specifically designed for automotive and industrial control systems. The circuit operates from a single supply over a wide voltage range, with low supply drain independent of the supply voltage.
Functional features of LM2904DT
1. Internally implemented frequency compensation
2. Large DC voltage gain: 100 dB
3. Wide bandwidth (unity gain): 1.1 MHz (temperature compensation)
4. Extremely low supply current/amplifier, basically independent of supply voltage
5. Low input bias current: 20 nA (temperature compensation)
6. Low input offset current: 2 nA
7. The input common mode voltage range includes the negative rail
8. The differential input voltage range is equal to the supply voltage
9. The maximum output voltage swings from 0 V to [(VCC+)-1.5 V]
Application areas of LM2904DT
LM2904DT is a dual op amp integrated circuit suitable for a variety of application fields. Its main application fields are as follows:
1. Dual operational amplifier design: LM2904DT integrates two independent operational amplifiers, which can simultaneously realize amplification, filtering and other functions of two analog signals, and is suitable for applications requiring multi-channel signal processing.
2. Wide operating voltage range: LM2904DT has a wide power supply voltage range and can be used in single power supply or dual power supply operating modes, and is suitable for different power supply conditions.
3. Low power consumption: LM2904DT adopts a low power consumption design with low operating current and is suitable for low power consumption applications that require long-term stable operation.
4. High common mode rejection ratio: LM2904DT has a high common mode rejection ratio, which can effectively suppress common mode interference and improve signal clarity and stability.
5. Wide input voltage range: LM2904DT supports a wide input voltage range and can be applied to input signal processing requirements of different amplitudes.
6. Internal overload protection: LM2904DT has an internal integrated overload protection circuit, which can protect the chip from external overload and improve the reliability and stability of the chip.
Parameters of LM2904DT
Brand: STMicroelectronics
Product Category: Operational Amplifier
Package: SOIC-8_150mil
Packaging: plate
Number of circuits: 2
Output type: Differential
Slew rate: 0.6V/μs
Current - Input Bias: 20nA
Voltage-input compensation: 2mV
Current - Power supply: 700μA
Voltage - Span (minimum): 3V
Voltage-span (max): 30V
Working temperature: -40℃~125℃
Installation type: surface mount type
Basic product number: LM2904
HTSUS: 8542.33.0001
Product application: automotive grade
Current-output/channel: 30mA
Gain bandwidth product: 700kHz
Amplifier Type: Universal
Pin diagram of LM2904DT
Functional block diagram of LM2904DT
