LMP90100MHX/NOPB

Product Overview

Category

LMP90100MHX/NOPB belongs to the category of integrated analog front-end (AFE) devices.

Use

This product is primarily used for precision measurement applications, particularly in industries such as industrial automation, medical equipment, and test and measurement.

Characteristics

• High accuracy: The LMP90100MHX/NOPB offers exceptional precision, enabling accurate measurements in various conditions.
• Low power consumption: This AFE device is designed to operate efficiently with minimal power consumption, making it suitable for battery-powered applications.
• Wide input range: It supports a wide input voltage range, allowing for versatile use across different measurement scenarios.
• Flexible packaging options: The LMP90100MHX/NOPB is available in various package types, including QFN and TSSOP, providing flexibility for different design requirements.
• Robustness: This device is built to withstand harsh environmental conditions, ensuring reliable performance even in challenging operating environments.

Package and Quantity

The LMP90100MHX/NOPB is typically packaged in reels or tubes, depending on the chosen package type. The quantity per package varies, but it is commonly available in quantities of 250 or 1000 units per reel/tube.

Specifications

• Input Voltage Range: ±10V
• Resolution: 24-bit
• Sampling Rate: Up to 128 kSPS
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage: 2.7V to 5.5V
• Interface: SPI/I2C

Detailed Pin Configuration

The LMP90100MHX/NOPB features a 32-pin package with the following pin configuration:

1. VDD: Power supply voltage
2. GND: Ground
3. AVDD: Analog power supply voltage
4. AGND: Analog ground
5. REFOUT: Reference voltage output
6. REFIN: Reference voltage input
7. AIN1: Analog input channel 1
8. AIN2: Analog input channel 2
9. AIN3: Analog input channel 3
10. AIN4: Analog input channel 4
11. AIN5: Analog input channel 5
12. AIN6: Analog input channel 6
13. AIN7: Analog input channel 7
14. AIN8: Analog input channel 8
15. DVDD: Digital power supply voltage
16. DGND: Digital ground
17. SCLK: Serial clock input
18. SDI: Serial data input
19. SDO: Serial data output
20. CS: Chip select input
21. DRDY: Data ready output
22. RESET: Reset input
23. TEST: Test mode input
24. MISO: Master In Slave Out (SPI interface)
25. MOSI: Master Out Slave In (SPI interface)
26. SCK: Serial Clock (SPI interface)
27. SS: Slave Select (SPI interface)
28. SDA: Serial Data (I2C interface)
29. SCL: Serial Clock (I2C interface)
30. NC: No connection
31. NC: No connection
32. NC: No connection

Functional Features

• Programmable gain amplifier (PGA): The LMP90100MHX/NOPB includes a PGA that allows users to adjust the gain according to their specific measurement requirements.
• Low noise performance: This AFE device is designed to minimize noise interference, ensuring accurate and reliable measurements.
• Integrated temperature sensor: It features an integrated temperature sensor for compensating temperature effects on measurements.
• Flexible digital interface: The LMP90100MHX/NOPB supports both SPI and I2C interfaces, providing flexibility for different system integration needs.
• On-chip diagnostics: It includes built-in diagnostic features to monitor the device's health and detect any potential issues.

Advantages and Disadvantages

Advantages

• High accuracy enables precise measurements in various applications.
• Low power consumption extends battery life in portable devices.
• Wide input range allows for versatile use across different measurement scenarios.
• Robust design ensures reliable performance in challenging environments.
• Integrated temperature sensor compensates for temperature effects on measurements.
• Flexible packaging options cater to different design requirements.

Disadvantages

• Limited pin configuration options may restrict certain application designs.
• Higher cost compared to some alternative models with fewer features.

Working Principles

The LMP90100MHX/NOPB operates based on the principle of analog-to-digital conversion. It receives analog input signals from external sensors or sources and converts them into digital data using its integrated ADC (Analog-to-Digital Converter). The programmable gain amplifier (PGA) allows users to adjust the gain of the input signal before conversion, ensuring optimal measurement accuracy