Overview
The LM2902VDTBR2G is a part of the LM2902 series, which are low-cost, quad operational amplifiers produced by onsemi. These amplifiers are known for their true differential inputs and several distinct advantages over standard operational amplifier types, especially in single supply applications. The LM2902VDTBR2G operates at supply voltages ranging from 3.0 V to 32 V and has quiescent currents significantly lower than those of the MC1741. This device is particularly useful in a variety of applications requiring multiple amplifiers due to its quad configuration and robust performance characteristics.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Power Supply Voltages | VCC | - | - | 32 | Vdc |
| Input Differential Voltage Range | VIDR | - | - | ±32 | Vdc |
| Input Common Mode Voltage Range | VICR | -0.3 | - | 32 | Vdc |
| Output Short Circuit Duration | tSC | - | - | Continuous | - |
| Junction Temperature | TJ | - | - | 150 | °C |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
| Input Offset Voltage | VIO | -2.0 | - | 7.0 | mV |
| Large Signal Open Loop Voltage Gain | AVOL | 50 | - | - | V/mV |
| Output Voltage - High Limit | VOH | 3.3 | 3.5 | - | V |
| Output Voltage - Low Limit | VOL | - | - | 20 | mV |
Key Features
- Quad Operational Amplifiers: The LM2902VDTBR2G features four internally compensated, two-stage operational amplifiers in a single package.
- Wide Supply Voltage Range: Operates from 3.0 V to 32 V, making it versatile for various applications.
- Low Quiescent Current: Significantly lower quiescent currents compared to other operational amplifiers like the MC1741.
- Input Common Mode Range: Includes the negative supply or ground in single supply operation without saturating the input devices.
- High Common Mode Rejection Ratio (CMRR): Up to 85 dB, ensuring good noise rejection.
- High Power Supply Rejection Ratio (PSRR): Up to 100 dB, providing stability against power supply variations.
- Automotive Qualification: The NCV2902 (which includes the LM2902V) is qualified for automotive use, indicating robustness and reliability in harsh environments.
Applications
- Audio and Video Equipment: Suitable for audio and video circuits requiring multiple amplifiers.
- Medical Devices: Used in medical equipment due to its stability and low noise characteristics.
- Automotive Systems: Qualified for automotive use, making it suitable for various automotive applications.
- Industrial Control Systems: Employed in industrial control circuits where multiple amplifiers are needed.
- Consumer Electronics: Found in consumer electronics such as home appliances and gaming consoles.
Q & A
- What is the operating temperature range of the LM2902VDTBR2G?
The operating ambient temperature range is from -40°C to +125°C.
- What is the maximum power supply voltage for the LM2902VDTBR2G?
The maximum power supply voltage is 32 Vdc.
- What is the input common mode voltage range for the LM2902VDTBR2G?
The input common mode voltage range is from -0.3 V to VCC - 1.7 V.
- Is the LM2902VDTBR2G qualified for automotive use?
Yes, the LM2902VDTBR2G (part of the NCV2902 series) is qualified for automotive use.
- What is the typical output voltage high limit for the LM2902VDTBR2G?
The typical output voltage high limit is 3.5 V when VCC = 5.0 V and RL = 2.0 kΩ.
- What is the common mode rejection ratio (CMRR) of the LM2902VDTBR2G?
The CMRR can be up to 85 dB.
- How many operational amplifiers are included in the LM2902VDTBR2G package?
The LM2902VDTBR2G includes four operational amplifiers.
- What is the package type of the LM2902VDTBR2G?
The package type is TSSOP-14 (Pb-Free).
- What is the thermal resistance, junction-to-air for the LM2902VDTBR2G in a TSSOP-14 package?
The thermal resistance, junction-to-air is approximately 190 °C/W.
- What is the large signal open loop voltage gain of the LM2902VDTBR2G?
The large signal open loop voltage gain is typically 50 V/mV.
