Overview
The LM258PT is a low-power dual operational amplifier produced by STMicroelectronics. It is designed to operate from a single power supply over a wide range of voltages, making it versatile for various applications. The LM258PT features internally frequency-compensated op amps, which are ideal for transducer amplifiers, DC gain blocks, and conventional op amp circuits in single power supply systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 3 to 30 | V |
| Operating Temperature Range | -40 to 105 | °C |
| Input Offset Voltage | 2 | mV |
| Input Offset Current | 2 | nA |
| Input Bias Current | 20 | nA |
| DC Voltage Gain | 100 | dB |
| Bandwidth (Unity Gain) | 1.1 | MHz |
| Supply Current per Channel | 0.7 to 1.2 | mA (at VCC+ = 5 V) |
| Package Type | TSSOP-8L | |
| Ecopack Compliance | Ecopack3 |
Key Features
- Internally frequency-compensated op amps
- Large DC voltage gain: 100 dB
- Wide bandwidth (unity gain): 1.1 MHz (temperature compensated)
- Very low supply current per channel essentially independent of supply voltage
- Low input bias current: 20 nA (temperature compensated)
- Low input offset voltage: 2 mV
- Low input offset current: 2 nA
- Input common-mode voltage range includes negative rails
- Differential input voltage range equal to the power supply voltage
- Large output voltage swing
Applications
The LM258PT is suitable for a variety of applications, including:
- Transducer amplifiers
- DC gain blocks
- Conventional op amp circuits in single power supply systems
- Interface electronics in logic systems
- Any application requiring low power consumption and high performance from a single power supply.
Q & A
- What is the operating temperature range of the LM258PT?
The operating temperature range of the LM258PT is -40°C to 105°C. - What is the typical input offset voltage of the LM258PT?
The typical input offset voltage of the LM258PT is 2 mV. - What is the bandwidth of the LM258PT at unity gain?
The bandwidth of the LM258PT at unity gain is 1.1 MHz. - Is the LM258PT suitable for single power supply systems?
Yes, the LM258PT is specifically designed to operate from a single power supply over a wide range of voltages. - What is the package type of the LM258PT?
The package type of the LM258PT is TSSOP-8L. - What is the supply current per channel for the LM258PT at VCC+ = 5 V?
The supply current per channel for the LM258PT at VCC+ = 5 V is 0.7 to 1.2 mA. - Does the LM258PT have low input bias current?
Yes, the LM258PT has a low input bias current of 20 nA (temperature compensated). - What is the differential input voltage range of the LM258PT?
The differential input voltage range of the LM258PT is equal to the power supply voltage. - Is the LM258PT RoHS compliant?
Yes, the LM258PT is RoHS compliant and meets the Ecopack3 standards. - What are some common applications of the LM258PT?
The LM258PT is commonly used in transducer amplifiers, DC gain blocks, and conventional op amp circuits in single power supply systems.
