Overview
The LMC6001AIN, produced by National Semiconductor, is an ultra-low input current operational amplifier. This device is notable for its extremely low input current of 25 fA, which is 100% tested to ensure reliability. It features low operating power, with a typical supply current of 750 μA, and provides ESD protection of up to 2000 V. The LMC6001AIN is designed to offer almost noiseless amplification of high-resistance signal sources, making it ideal for applications requiring ultra-low input leakage current.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Input Current | 25 | 10 | 2000 | fA |
| Input Offset Current | 5 | - | 1000 | fA |
| Input Offset Voltage | 0.35 | - | 1.7 | mV |
| Input Offset Voltage Drift | 0.7 | - | 2.5 | μV/°C |
| Supply Voltage | - | 4.5 | 15.5 | V |
| Operating Junction Temperature | - | -40 | 85 | °C |
| Supply Current | 750 | 550 | 950 | μA |
| Output Current (Sourcing) | 23 | 18 | 30 | mA |
| Output Current (Sinking) | 23 | 18 | 34 | mA |
| Slew Rate | 0.8 | 0.6 | 1.5 | V/μs |
| Gain-Bandwidth Product | 1.3 | - | - | MHz |
Key Features
- Ultra-Low Input Current: 25 fA maximum, 100% tested to ensure reliability.
- Low Noise: Input-referred voltage noise of 22 nV/√Hz at 1 kHz and input-referred current noise of 0.13 fA/√Hz.
- Low Power Consumption: Typical supply current of 750 μA.
- Low Input Offset Voltage: 350 μV typical.
- ESD Protection: Up to 2000 V.
- High Common Mode Rejection Ratio (CMRR): Greater than 60 dB.
- High Gain-Bandwidth Product: 1.3 MHz.
- Special Feed-Forward Compensation Design: Ensures stability over a wide range of operating conditions.
Applications
- Electrometer Amplifiers: Ideal for applications requiring ultra-low input leakage current.
- Photodiode Preamplifiers: Suitable for sensitive photodetection transimpedance amplifiers.
- Ion Detectors: Used in applications requiring high sensitivity and low noise.
- A.T.E. Leakage Testing: Applicable for automated testing equipment requiring precise leakage measurements.
- Long Interval Integrators and Ultra-High Input Impedance Instrumentation Amplifiers: Suitable for various measurement and integration tasks.
- Sensitive Electrical-Field Measurement Circuits: Ideal for applications requiring high sensitivity and low noise.
Q & A
- What is the maximum input current of the LMC6001AIN?
The maximum input current of the LMC6001AIN is 25 fA.
- What is the typical supply current of the LMC6001AIN?
The typical supply current of the LMC6001AIN is 750 μA.
- What is the input-referred voltage noise of the LMC6001AIN at 1 kHz?
The input-referred voltage noise of the LMC6001AIN at 1 kHz is 22 nV/√Hz.
- What is the ESD protection rating of the LMC6001AIN?
The ESD protection rating of the LMC6001AIN is up to 2000 V.
- What are some common applications of the LMC6001AIN?
Common applications include electrometer amplifiers, photodiode preamplifiers, ion detectors, A.T.E. leakage testing, long interval integrators, and sensitive electrical-field measurement circuits.
- What is the operating junction temperature range of the LMC6001AIN?
The operating junction temperature range of the LMC6001AIN is from -40°C to 85°C.
- What is the gain-bandwidth product of the LMC6001AIN?
The gain-bandwidth product of the LMC6001AIN is 1.3 MHz.
- Does the LMC6001AIN have any special design features for stability?
Yes, the LMC6001AIN incorporates special feed-forward compensation design techniques to ensure stability over a wide range of operating conditions.
- What is the common mode rejection ratio (CMRR) of the LMC6001AIN?
The CMRR of the LMC6001AIN is greater than 60 dB.
- Is the LMC6001AIN still in production?
No, the LMC6001AIN has been discontinued by Texas Instruments (formerly National Semiconductor).
