Description:Unless Otherwise Noted, Typical Values at
TA = 25 °C, V
+ = 5 V.
• Small 5-Pin SC70 Package (2.00 mm × 1.25 mm
× 0.95 mm)
• Wide Supply Voltage Range: 2.7 V to 12 V
• Specified Performance at 3.3 V, 5 V and ±5 V
• Low Supply Current: 1 mA Per Channel
• Unity Gain Bandwidth: 4.5 MHz
• Open-Loop Gain: 133 dB
• Input Offset Voltage: 500 µV Maximum
• Input Bias Current: 0.3 pA
• CMRR at 112 dB and PSSR at 108 dB
• Input Voltage Noise: 20 nV/√Hz
• Temperature Range: −40°C to 125°C
• Rail-to-Rail I
The maximum power dissipation of the LMV844MT is dependent on the ambient temperature and the package thermal resistance. According to the datasheet, the maximum power dissipation is 670mW at 25°C ambient temperature, but this can be derated to 500mW at 50°C and 330mW at 85°C.
While the LMV844MT is an op-amp, it can be used as a comparator in certain applications. However, it's not recommended for high-speed or high-frequency comparator applications due to its limited slew rate and bandwidth. Additionally, the output stage is not designed for high-current drive, so it may not be suitable for driving heavy loads.
The input impedance of the LMV844MT is not explicitly stated in the datasheet, but it can be estimated based on the input bias current and input voltage range. Typically, the input impedance of an op-amp is very high, on the order of tens of MΩ or higher.
Yes, the LMV844MT can be used in a single-supply configuration, but the input common-mode voltage range is limited to within 1.5V of the positive supply rail. This means that the input signal should be biased to be within this range to ensure proper operation.
The LMV844MT has built-in ESD protection on the input pins, which can withstand up to 2kV of electrostatic discharge according to the Human Body Model (HBM) and 200V according to the Machine Model (MM). However, it's still recommended to follow proper ESD handling procedures when handling the device.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
