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LTC1966CMS8
+BOMPower Management Specialized - PMIC LTC1966 - Precision Micropower, Delta Sigma RMS-to-DC Converter
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Nhà sản xuấtAnalog Devices
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Ông. Phần #LTC1966CMS8
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Bảng dữ liệu LTC1966CMS8 DataSheet
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Description
Key features of the LTC1966 include its high accuracy, low power consumption, and wide input frequency range. It operates with a supply voltage range of 2.7V to 5.5V and supports input signal frequencies from 1Hz up to 500kHz. The device uses a patented delta-sigma computational technique, which results in a low noise output and high linearity.
The LTC1966 is available in a compact MSOP-8 package, making it suitable for space-constrained designs. Its ease of use and precision performance make it a popular choice for engineers needing reliable RMS conversion in their electronic designs.
Equivalent
1. AD8436 from Analog Devices: Offers similar functionality for RMS-to-DC conversion.
2. MAX40025 from Maxim Integrated: Provides high-precision RMS-to-DC conversion features.
3. AD536 from Analog Devices: A classic choice for RMS-to-DC conversion with good accuracy.
These alternatives are selected based on similar functionality and application as the LTC1966CMS8. Always check the datasheet for specific compatibility with your design requirements.
Features
1. High Accuracy: Offers a typical accuracy of 0.1% for DC and AC signals, ensuring precise measurements.
2. Wide Input Range: Supports input signals from 0V to 1.5V RMS and frequencies up to 500kHz.
3. Low Power Consumption: Operates with a low supply current, typically around 140µA, which is suitable for battery-powered applications.
4. Ease of Use: Requires minimal external components, simplifying design and integration.
5. Single Supply Operation: Operates from a single supply voltage ranging from 4.5V to 5.5V.
6. Compact Package: Available in a small MSOP-8 package, making it ideal for space-constrained applications.
7. Temperature Range: Ensures reliable performance over an extended temperature range from -40°C to 85°C.
8. Low Output Noise: Features low output noise, enhancing measurement stability.
This IC is widely used in applications like power measurement, audio processing, and instrumentation where precise RMS measurement is crucial.
Pinout
1. VCC (Pin 1): Power supply voltage input.
2. VIN (Pin 2): Input signal voltage.
3. GND (Pin 3): Ground connection.
4. COM (Pin 4): Common ground for input and output.
5. NC (Pin 5): No connection.
6. NC (Pin 6): No connection.
7. OUT (Pin 7): Output voltage, representing the RMS value of the input.
8. VREF (Pin 8): Reference voltage, typically used for scaling the output.
The LTC1966CMS8 provides a simple way to measure the true RMS value of AC voltages. It is suitable for applications requiring accurate RMS conversion in compact spaces.
Manufacturer
Application
1. Audio and Acoustic Measurements: To measure true RMS values of audio signals.
2. Power Measurement: For accurate RMS voltage monitoring in power supplies and power meters.
3. Signal Processing: In instrumentation and data acquisition systems requiring precise signal characterization.
4. Test Equipment: Used in oscilloscopes and multimeters for accurate RMS readings.
5. Industrial Monitoring: For monitoring and control in automation systems where precise voltage measurement is critical.
Its simplicity, precision, and low power consumption make it suitable for portable and battery-powered devices.