Overview
The LMC6484AIM/NOPB is a quad operational amplifier produced by Texas Instruments. It is part of the LMC648x series, known for its ultra-low bias current, precision CMOS rail-to-rail input and output capabilities. This device is particularly suited for applications requiring a large input signal range and high accuracy, such as data acquisition and battery-operated systems. The LMC6484AIM/NOPB is available in a 14-pin SOIC package, making it convenient for integration into compact circuit designs.
Key Specifications
| Parameter | Min | |||
|---|---|---|---|---|
| Supply Voltage (VS) | 3 | - | 15 | V |
| Operating Temperature Range | -40 | - | 85 | °C |
| Input Offset Voltage (VOS) | ±0.11 | ±0.75 | ±1.35 | mV |
| Input Bias Current (IB) | ±0.02 | - | ±4 | pA |
| Common-Mode Rejection Ratio (CMRR) | 70 | 82 | 67 | dB |
| Power-Supply Rejection Ratio (PSRR) | 65 | 82 | 62 | dB |
| Output Voltage Swing (VO) | 0.1 | 4.9 | - | V |
| Bandwidth (GBW) | - | 1.5 | - | MHz |
| Package Type | - | SOIC (D) | - | - |
| Pins | - | 14 | - | - |
Key Features
- Rail-to-rail input common-mode voltage range and rail-to-rail output swing, ensuring maximum dynamic signal range in low-voltage and single-supply systems.
- Ultra-low input current of 20 fA, making it suitable for high-impedance sources.
- Excellent common-mode rejection ratio (CMRR) and power-supply rejection ratio (PSRR) of up to 82 dB.
- Specified performance at 3V, 5V, and 15V supply voltages.
- Low power dissipation, making it ideal for battery-operated systems.
- Available in PDIP, SOIC, and VSSOP packages.
Applications
- Data acquisition systems requiring a large input signal range.
- Battery-operated systems due to low power dissipation.
- Upgrades for circuits using limited common-mode range amplifiers such as TLC272, TLC274, TLC277, and TLC279.
- Single-supply and low-voltage systems where rail-to-rail performance is crucial.
Q & A
- What is the LMC6484AIM/NOPB?
The LMC6484AIM/NOPB is a quad operational amplifier with ultra-low bias current, precision CMOS rail-to-rail input and output capabilities.
- What are the key features of the LMC6484AIM/NOPB?
Key features include rail-to-rail input and output, ultra-low input current, excellent CMRR and PSRR, and specified performance at various supply voltages.
- What are the typical applications of the LMC6484AIM/NOPB?
Typical applications include data acquisition systems, battery-operated systems, and upgrades for limited common-mode range amplifiers.
- What is the operating temperature range of the LMC6484AIM/NOPB?
The operating temperature range is -40°C to 85°C.
- What is the maximum supply voltage for the LMC6484AIM/NOPB?
The maximum supply voltage is 15V.
- What is the input offset voltage of the LMC6484AIM/NOPB?
The input offset voltage is typically ±0.75 mV.
- What is the common-mode rejection ratio (CMRR) of the LMC6484AIM/NOPB?
The CMRR is up to 82 dB.
- What package types are available for the LMC6484AIM/NOPB?
The device is available in PDIP, SOIC, and VSSOP packages.
- How many channels does the LMC6484AIM/NOPB have?
The LMC6484AIM/NOPB has four individual amplifier channels.
- What is the bandwidth (GBW) of the LMC6484AIM/NOPB?
The bandwidth is typically 1.5 MHz.
