LM321 250nA 5mV SOT-23-5 Operational Amplifier SMD IC
The LM321 is a high-performance, low-power operational amplifier designed for precision applications in compact electronic devices. This SMD IC features a low input offset voltage of 5mV and an ultra-low supply current of 250nA, making it ideal for battery-powered and energy-efficient systems. The LM321 is housed in a SOT-23-5 package, ensuring minimal footprint while delivering reliable performance in a wide range of operating conditions.
Features:
- Single power supply voltage range: 3V~36V.
- Dual power supply voltage range: ±18V.
- Unity gain bandwidth: up to 1.2MHZ.
- Output short circuit protection.
- Low power consumption: 0.5mA @ V+=5V.
- Package: SOT-23-5.
Specifications:
| Parameter | Value |
|---|---|
| Number of Amplifiers | 1 |
| Supply Voltage | 3V to 36V (single), ±1.5V to ±18V (dual) |
| Input Offset Voltage | Typ 5mV |
| Input Bias Current | Max 250nA |
| Gain Bandwidth Product | 1.2MHz |
| Common Mode Rejection Ratio | Min 80dB |
| Power Supply Rejection Ratio | Min 90dB |
| Quiescent Current | Typ 0.5mA at 5V |
| Package | SOT-23-5 |
| Datasheet | LM321 |
Pin Configurations and Foot Print:
| Pin No. | Pin Name | Function Description |
|---|---|---|
| 1 | IN+ | Non-inverting Input |
| 2 | V- | Negative Power Supply |
| 3 | IN- | Inverting Input |
| 4 | OUTPUT | Output |
| 5 | V+ | Positive Power Supply |
Applications:
- Sensor signal amplifier
- DC gain
- Audio amplifier
- Other application areas
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