Overview
The LMP7701MFX is a precision, CMOS input, rail-to-rail input and output (RRIO) operational amplifier produced by Texas Instruments. It is part of the LMP™ precision amplifier family and is designed for applications requiring low offset voltage, low input bias current, and a wide supply voltage range. The LMP7701 is ideal for sensor interface and other instrumentation applications due to its high precision and versatility.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage | ±200 µV (Maximum) | µV |
| Input Bias Current | ±200 fA | fA |
| Input Voltage Noise | 9 nV/√Hz | nV/√Hz |
| Common-Mode Rejection Ratio (CMRR) | 130 dB | dB |
| Open-Loop Gain | 130 dB | dB |
| Temperature Range | –40°C to 125°C | °C |
| Unity-Gain Bandwidth | 2.5 MHz | MHz |
| Supply Current | 715 µA | µA |
| Supply Voltage Range | 2.7 V to 12 V | V |
| Package | SOT-23 (DBV) with 5 pins |
Key Features
- Low offset voltage of less than ±200 µV.
- Low input bias current of less than ±200 fA.
- Wide supply voltage range from 2.7 V to 12 V.
- Rail-to-rail input and output stages.
- High common-mode rejection ratio (CMRR) of 130 dB.
- Unity-gain bandwidth of 2.5 MHz.
- Low input referred voltage noise of 9 nV/√Hz.
- Space-saving 5-Pin SOT-23 package, ideal for area-constrained PC boards and portable electronics.
Applications
- High impedance sensor interface.
- Battery-powered instrumentation.
- High gain amplifiers.
- DAC buffer.
- Instrumentation amplifier.
- Active filters.
Q & A
- What is the input offset voltage of the LMP7701?
The input offset voltage of the LMP7701 is ±200 µV (Maximum).
- What is the input bias current of the LMP7701?
The input bias current of the LMP7701 is ±200 fA.
- What is the common-mode rejection ratio (CMRR) of the LMP7701?
The CMRR of the LMP7701 is 130 dB.
- What is the unity-gain bandwidth of the LMP7701?
The unity-gain bandwidth of the LMP7701 is 2.5 MHz.
- What is the supply voltage range of the LMP7701?
The supply voltage range of the LMP7701 is from 2.7 V to 12 V.
- What are the typical applications of the LMP7701?
The LMP7701 is typically used in high impedance sensor interfaces, battery-powered instrumentation, high gain amplifiers, DAC buffers, instrumentation amplifiers, and active filters.
- What package options are available for the LMP7701?
The LMP7701 is available in a 5-Pin SOT-23 (DBV) package and an 8-Pin SOIC package.
- What is the temperature range of the LMP7701?
The operating temperature range of the LMP7701 is from –40°C to 125°C.
- What is the input referred voltage noise of the LMP7701?
The input referred voltage noise of the LMP7701 is 9 nV/√Hz.
- What is the supply current of the LMP7701?
The supply current of the LMP7701 is 715 µA.
