Overview
The LMV761MFX is a precision comparator produced by Texas Instruments, designed for applications requiring low noise and low input offset voltage. This device is part of the LMV76x series, which includes single and dual comparators. The LMV761MFX features a CMOS input and a push-pull output stage, eliminating the need for an external pullup resistor. It is ideal for use in portable and battery-operated electronics due to its small size, low power consumption, and high performance.
Key Specifications
| Parameter | Value |
|---|---|
| Input Offset Voltage (Typical) | 0.2 mV |
| Input Offset Voltage (Maximum Over Temp) | 1 mV |
| Input Bias Current | 0.2 pA |
| Propagation Delay (OD = 50 mV) | 120 ns |
| Supply Current | 300 µA |
| CMRR (Typical) | 100 dB |
| PSRR (Typical) | 110 dB |
| Operating Temperature Range | -40°C to +125°C |
| Output Type | Push-Pull |
| Package Type | 6-Pin SOT-23 (DBV) |
| Supply Voltage Range | 2.7 V to 5 V |
Key Features
- Low input offset voltage: 0.2 mV typical, 1 mV maximum over temperature.
- Low input bias current: 0.2 pA.
- Fast propagation delay: 120 ns.
- Low supply current: 300 µA.
- High common-mode rejection ratio (CMRR): 100 dB.
- High power supply rejection ratio (PSRR): 110 dB.
- Extended temperature range: -40°C to +125°C.
- Push-pull output stage, eliminating the need for an external pullup resistor.
- Ideal for 2.7-V and 5-V single-supply applications.
- Available in space-saving packages: 6-Pin SOT-23 (single with shutdown), 8-Pin SOIC (single with shutdown), and 8-Pin SOIC and VSSOP (dual without shutdown).
- AEC-Q100 qualified for automotive applications.
Applications
The LMV761MFX is designed to meet the demands of small size, low power, and high performance required by various applications, including:
- Portable and battery-operated electronics.
- Automotive systems (LMV762Q-Q1 is AEC-Q100 qualified).
- Industrial control systems.
- Medical devices requiring precision and low noise.
- Consumer electronics where low power consumption is critical.
Q & A
- What is the typical input offset voltage of the LMV761MFX?
The typical input offset voltage is 0.2 mV.
- What is the maximum input offset voltage over temperature?
The maximum input offset voltage over temperature is 1 mV.
- What is the input bias current of the LMV761MFX?
The input bias current is 0.2 pA.
- What is the propagation delay of the LMV761MFX?
The propagation delay is 120 ns for an output differential of 50 mV.
- What is the supply current of the LMV761MFX?
The supply current is 300 µA.
- What are the CMRR and PSRR values of the LMV761MFX?
The CMRR is 100 dB, and the PSRR is 110 dB.
- What is the operating temperature range of the LMV761MFX?
The operating temperature range is -40°C to +125°C.
- What types of packages are available for the LMV761MFX?
It is available in 6-Pin SOT-23 (single with shutdown), 8-Pin SOIC (single with shutdown), and 8-Pin SOIC and VSSOP (dual without shutdown) packages.
- Is the LMV761MFX suitable for automotive applications?
Yes, the LMV762Q-Q1 variant is AEC-Q100 qualified for automotive applications.
- What are some common applications of the LMV761MFX?
Common applications include portable and battery-operated electronics, automotive systems, industrial control systems, medical devices, and consumer electronics.
