Overview
The LM258ADRE4, produced by Texas Instruments, is a dual operational amplifier that belongs to the LM258 series. This device is designed to operate from a single supply or split supply over a wide range of voltages, making it versatile for various applications. The LM258ADRE4 features two independent, high-gain frequency-compensated operational amplifiers, which are suitable for use in single-supply-voltage systems as well as traditional split-supply configurations.
The device is available in an SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for space-constrained designs. It is also RoHS compliant and free of Sb/Br, making it environmentally friendly.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage Range | Single Supply: 3 V to 32 V Dual Supplies: ±1.5 V to ±16 V | - | - | - | V |
| Quiescent Current per Amplifier | VS = 5 V; IO = 0 A | 300 | 460 | 800 | µA |
| Input Offset Voltage | VCC = 5 V to MAX, VIC = VICR(min), VO = 1.4 V | 3 | 7 | 10 | mV |
| Input Offset Current | VO = 1.4 V | 2 | 50 | 150 | nA |
| Input Bias Current | VO = 1.4 V | -20 | -250 | -500 | nA |
| Unity Gain Bandwidth | - | - | 0.7 | - | MHz |
| Operating Ambient Temperature | - | - | - | -40 to 85 | °C |
Key Features
- Wide Supply Range: Operates from a single supply of 3 V to 32 V or dual supplies of ±1.5 V to ±16 V.
- Low Supply-Current Drain: Independent of the magnitude of the supply voltage, with a typical quiescent current of 0.7 mA per amplifier.
- High Gain Bandwidth: Unity gain bandwidth of 0.7 MHz.
- Common-Mode Input Voltage Range: Includes ground, allowing direct sensing near ground.
- Low Input Bias and Offset Parameters: Low input offset voltage and current, making it suitable for precision applications.
- Internal Frequency Compensation: Ensures stable operation without the need for external compensation components).
Applications
- Transducer Amplifiers: Suitable for amplifying signals from various transducers).
- DC Amplification Blocks: Used in DC amplification circuits in single-supply-voltage systems).
- Motor Control: Applicable in AC induction, brushed DC, brushless DC, high-voltage, low-voltage, permanent magnet, and stepper motor control systems).
- Temperature Sensors and Controllers: Can be used in temperature sensing and control applications, including those using Modbus).
- Audio and Video Equipment: Used in Blu-ray players, home theaters, DVD recorders and players, and TV systems (LCD and digital)).
- Measurement Instruments: Employed in digital multimeters (bench and handheld), oscilloscopes, and weigh scales).
Q & A
- What is the supply voltage range for the LM258ADRE4?
The LM258ADRE4 can operate from a single supply of 3 V to 32 V or dual supplies of ±1.5 V to ±16 V).
- What is the typical quiescent current per amplifier for the LM258ADRE4?
The typical quiescent current per amplifier is 0.7 mA).
- What is the unity gain bandwidth of the LM258ADRE4?
The unity gain bandwidth is 0.7 MHz).
- What is the common-mode input voltage range for the LM258ADRE4?
The common-mode input voltage range includes ground, allowing direct sensing near ground).
- What are the typical input offset voltage and current for the LM258ADRE4?
The typical input offset voltage is 3 mV to 7 mV, and the typical input offset current is 2 nA to 50 nA).
- What is the operating ambient temperature range for the LM258ADRE4?
The operating ambient temperature range is -40°C to 85°C).
- Is the LM258ADRE4 RoHS compliant?
- What package type is the LM258ADRE4 available in?
The LM258ADRE4 is available in an SOIC (Small Outline Integrated Circuit) package).
- Can the LM258ADRE4 be used in motor control applications?
- What are some common applications of the LM258ADRE4?
