Overview
The LM258WDT is a low-power dual operational amplifier produced by STMicroelectronics. It is part of the LM158W, LM258W, and LM358W family, known for their high gain and low power consumption. These op-amps are designed to operate over a wide range of supply voltages and temperatures, making them versatile for various applications. The LM258WDT is particularly suited for use in environments requiring a temperature range of -40°C to +105°C.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC+) | 3 | 30 | V | |
| Input Offset Voltage (Vio) | 1 | 2 | 5 | mV |
| Input Offset Current (Iio) | 2 | 10 | 30 | nA |
| Input Bias Current (Iib) | 20 | 50 | 150 | nA |
| Large Signal Voltage Gain (Avd) | 50 | 100 | V/mV | |
| Supply Current (ICC) | 0.7 | 1.2 | 2 | mA |
| Operating Free-Air Temperature Range | -40 | 105 | °C | |
| ESD Protection | 2 kV |
Key Features
- Low power consumption: Very low supply current per op-amp, essentially independent of supply voltage.
- High gain: Large DC voltage gain of 100 dB.
- Wide bandwidth: Unity gain bandwidth of 1.1 MHz (temperature compensated).
- Low input bias current: 20 nA (temperature compensated).
- Low input offset voltage: 2 mV.
- Internal frequency compensation.
- ESD internal protection: 2 kV (Human Body Model).
- Large output voltage swing: 0 V to (VCC+) - 1.5 V.
- Input common mode voltage range includes ground.
Applications
- Audio and video equipment.
- Medical devices.
- Industrial control systems.
- Automotive electronics.
- General-purpose amplification in various electronic circuits.
Q & A
- What is the operating temperature range of the LM258WDT?
The operating temperature range of the LM258WDT is -40°C to +105°C.
- What is the typical supply current of the LM258WDT?
The typical supply current of the LM258WDT is 1.2 mA when VCC+ = 30 V.
- What is the input offset voltage of the LM258WDT?
The input offset voltage of the LM258WDT is typically 2 mV.
- Does the LM258WDT have ESD protection?
Yes, the LM258WDT has internal ESD protection up to 2 kV (Human Body Model).
- What is the bandwidth of the LM258WDT?
The unity gain bandwidth of the LM258WDT is 1.1 MHz (temperature compensated).
- Can the LM258WDT operate with a single supply voltage?
Yes, the LM258WDT can operate with a single supply voltage ranging from 3 V to 30 V.
- What is the common mode input voltage range of the LM258WDT?
The common mode input voltage range includes ground and extends up to VCC+ - 1.5 V.
- How many op-amps are included in the LM258WDT package?
The LM258WDT includes two independent operational amplifiers.
- What are the typical output current source and sink capabilities of the LM258WDT?
The typical output current source is 40 mA, and the typical output current sink is 20 mA.
- What package types are available for the LM258WDT?
The LM258WDT is available in SO8 and TSSOP8 packages.
