Overview
The L272M, produced by onsemi, is a high-power dual operational amplifier designed for a wide range of applications requiring high output current and low impedance loads. This device is available in an 8-lead MDIP package and is suitable for use in various industrial and consumer electronics. The L272M is part of the L272 series, which includes the L272 and L272A, with the L272A offering tighter specifications for input bias current, input offset voltage, and input offset current.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC - VEE) | 4 to 28 | V |
| DC Output Current | 0.7 | A |
| Peak Output Current (Non-Repetitive) | 1 | A |
| Operating Temperature Range | -40 to 85 | °C |
| Storage and Junction Temperature Range | -40 to 150 | °C |
| Total Power Dissipation (TA = 50°C) | 1 | W |
| Thermal Resistance, Junction to Ambient | 100 | °C/W |
| Input Bias Current | 0.3 to 2.5 | μA |
| Input Offset Voltage | 15 to 60 | mV |
| Input Offset Current | 50 to 250 | nA |
| Slew Rate | 1 | V/μs |
| Gain-Bandwidth Product | 350 | kHz |
| Input Resistance | 500 | kΩ |
| Large-Signal Voltage Gain | 65 to 75 | dB |
| Common Mode Rejection Ratio | 60 to 75 | dB |
| Supply Voltage Rejection Ratio | 54 to 62 | dB |
| Output Voltage Swing | 21.0 to 23.0 | V |
| Thermal Shutdown Temperature | 160 | °C |
Key Features
- High output current up to 0.7 A
- Operates at low voltage (VS(MIN) = 4 V)
- Low saturation voltage (IP = 0.5 A, VO = 1.5 V)
- Thermal shutdown (TSD = 160°C)
- Ground-compatible inputs
- Large common mode and differential mode range
- Single or split supply operation
Applications
- Servo amplifiers
- Power supplies
- Compact disc players
- VCRs
- Monitors
- Motor control circuits
- Current-control circuits
Q & A
- What is the maximum output current of the L272M?
The maximum DC output current of the L272M is 0.7 A, with a peak output current of 1 A (non-repetitive). - What is the operating temperature range of the L272M?
The operating temperature range is -40 to 85 °C. - What is the thermal shutdown temperature of the L272M?
The thermal shutdown temperature is 160 °C. - What are the package options for the L272M?
The L272M is available in an 8-lead MDIP package. - What are some typical applications of the L272M?
Typical applications include servo amplifiers, power supplies, compact disc players, VCRs, and monitors. - Does the L272M support single or split supply operation?
Yes, the L272M supports both single and split supply operation. - What is the input bias current range of the L272M?
The input bias current range is 0.3 to 2.5 μA. - What is the gain-bandwidth product of the L272M?
The gain-bandwidth product is 350 kHz. - What is the common mode rejection ratio of the L272M?
The common mode rejection ratio is 60 to 75 dB. - Is the L272M suitable for high-power applications?
Yes, the L272M is designed for high-power applications, making it suitable for driving low-impedance loads.
