Overview
The LM348DRG4 is a quadruple, independent, high-gain, internally compensated operational amplifier produced by Texas Instruments. It is part of the LM348 series, which is designed to have operating characteristics similar to the µA741. This amplifier is known for its low supply-current drain and low input bias and offset currents, making it a versatile component for various electronic applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Architecture | Bipolar |
| Unity-Gain Bandwidth (Typ) | 1 MHz |
| Common Mode Rejection Ratio (CMRR) (Typ) | 90 dB |
| Input Bias Current (Max) | 200 nA |
| Quiescent Current per Channel (Typ) | 0.6 mA |
| Offset Voltage (Max) at 25°C | 6 mV |
| Offset Drift (Typ) | 15 µV/°C |
| Output Current (Typ) | 25 mA |
| Slew Rate (Typ) | 0.5 V/µs |
| Total Supply Voltage (Min/Max) | 8 V / 36 V |
| Operating Temperature Range | 0°C to 70°C |
| Package Type | SOIC (D) |
| Pin Count | 14 |
| RoHS Compliance | Yes |
Key Features
- Internally compensated for stable operation.
- Low supply-current drain, typically 0.6 mA per channel.
- Low input bias and offset currents.
- High common-mode rejection ratio (CMRR) of up to 90 dB.
- Class AB output stage for efficient operation.
- Input/output overload protection.
- Designed to be interchangeable with industry-standard LM148 and LM248.
- Available in various package types including SOIC, PDIP, and SOP.
- RoHS and Pb-Free compliant.
Applications
- General-purpose amplification in audio and video circuits.
- Active filters and integrators.
- Voltage regulators and power supplies.
- Medical and industrial instrumentation.
- Automotive and aerospace electronics.
- Any application requiring multiple, independent operational amplifiers with low power consumption and high gain.
Q & A
- What is the LM348DRG4?
The LM348DRG4 is a quadruple, independent, high-gain, internally compensated operational amplifier produced by Texas Instruments.
- How many channels does the LM348DRG4 have?
The LM348DRG4 has 4 independent channels.
- What is the typical unity-gain bandwidth of the LM348DRG4?
The typical unity-gain bandwidth is 1 MHz.
- What is the common-mode rejection ratio (CMRR) of the LM348DRG4?
The CMRR is typically 90 dB.
- What is the maximum input bias current of the LM348DRG4?
The maximum input bias current is 200 nA.
- What is the typical quiescent current per channel of the LM348DRG4?
The typical quiescent current per channel is 0.6 mA.
- What is the maximum offset voltage at 25°C for the LM348DRG4?
The maximum offset voltage at 25°C is 6 mV.
- What is the operating temperature range of the LM348DRG4?
The operating temperature range is 0°C to 70°C.
- Is the LM348DRG4 RoHS compliant?
Yes, the LM348DRG4 is RoHS compliant.
- In what package types is the LM348DRG4 available?
The LM348DRG4 is available in SOIC, PDIP, and SOP package types.
- What are some common applications of the LM348DRG4?
Common applications include general-purpose amplification, active filters, voltage regulators, medical and industrial instrumentation, and automotive electronics.
