Overview
The LM2902DRE4, produced by Texas Instruments, is a quad operational amplifier that belongs to the next-generation family of industry-standard op amps. This device is part of the LM2902 series, which includes four high-voltage (up to 26V) operational amplifiers. It is designed to provide outstanding performance and value for cost-sensitive applications, offering low offset voltage, a wide common-mode input range, and high differential input voltage capability.
The LM2902DRE4 is unity-gain stable and features improved specifications over its predecessors, making it suitable for a variety of applications, including transducer amplifiers, DC amplification blocks, and other conventional operational-amplifier circuits.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | - | 26 | V |
| Input Offset Voltage (VIO) | - | 3 | 7 | mV |
| Input Offset Current (IIO) | - | 2 | 50 | nA |
| Input Bias Current (IIB) | - | 20 | 500 | nA |
| Common-Mode Input Voltage Range | 0 | - | VCC - 1.5 | V |
| Differential Input Voltage Range | - | - | 26 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
| ESD Rating | - | - | 2kV (HBM), 1.5kV (CDM) | - |
| Package Type | - | - | SOIC (D) | - |
| Number of Pins | - | - | 14 | - |
Key Features
- Wide Supply Range: Operates from 3V to 26V for single supply and ±1.5V to ±13V for dual supplies.
- Low Input Offset Voltage: ±2mV (BA version) and ±3mV (B version).
- High ESD Rating: 2kV (HBM) and 1.5kV (CDM).
- Integrated EMI and RF Filters: Enhances noise rejection and stability in harsh environments.
- Low Input Bias Current: Maximum of 50nA across –40°C to 125°C.
- Common-Mode Input Voltage Range Includes Ground: Allows direct sensing near ground.
- Differential Input Voltage Range Equal to Maximum-Rated Supply Voltage: Up to 26V.
- Internal Frequency Compensation: Ensures stability in various configurations).
Applications
- Transducer Amplifiers: Suitable for amplifying signals from various transducers).
- DC Amplification Blocks: Used in single-supply-voltage systems for DC amplification).
- Merchant Network and Server Power Supply Units: Applicable in power supply units for servers and merchant networks).
- Multi-function Printers and Power Supplies: Used in various consumer and industrial electronics).
- Desktop PC and Motherboard: Suitable for use in computer hardware).
- Home Appliances: Used in appliances such as air conditioners, washers, dryers, and refrigerators).
Q & A
- What is the supply voltage range for the LM2902DRE4?
The LM2902DRE4 operates from 3V to 26V for single supply and ±1.5V to ±13V for dual supplies).
- What is the typical input offset voltage for the LM2902DRE4?
The typical input offset voltage is ±3mV for the B version and ±2mV for the BA version).
- What is the ESD rating for the LM2902DRE4?
The ESD rating is 2kV (HBM) and 1.5kV (CDM)).
- What is the common-mode input voltage range for the LM2902DRE4?
The common-mode input voltage range includes ground and extends up to VCC - 1.5V).
- What is the differential input voltage range for the LM2902DRE4?
The differential input voltage range is equal to the maximum-rated supply voltage, up to 26V).
- What is the operating temperature range for the LM2902DRE4?
The operating temperature range is from –40°C to 125°C).
- What package type and pin count does the LM2902DRE4 have?
The LM2902DRE4 comes in a SOIC (D) package with 14 pins).
- What are some typical applications for the LM2902DRE4?
Typical applications include transducer amplifiers, DC amplification blocks, merchant network and server power supply units, multi-function printers, and various consumer electronics).
- Does the LM2902DRE4 have integrated EMI and RF filters?
Yes, the LM2902DRE4 has integrated EMI and RF filters to enhance noise rejection and stability).
- What is the maximum input bias current for the LM2902DRE4?
The maximum input bias current is 50nA across –40°C to 125°C).
