LTC2487CDE#PBF

Product Overview

Category

The LTC2487CDE#PBF belongs to the category of analog-to-digital converters (ADCs).

Use

It is primarily used for converting analog signals into digital data.

Characteristics

• High precision and resolution
• Low noise and distortion
• Wide input voltage range
• Serial interface for easy integration
• Low power consumption

Package

The LTC2487CDE#PBF comes in a 12-pin DFN (Dual Flat No-Lead) package.

Essence

The essence of the LTC2487CDE#PBF is its ability to accurately convert analog signals into digital form, making it suitable for various applications that require precise measurements.

Packaging/Quantity

The LTC2487CDE#PBF is typically packaged in reels and available in quantities of 250 units per reel.

Specifications

• Resolution: 24 bits
• Input Voltage Range: ±10V
• Conversion Rate: Up to 5 samples per second
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 2.7V to 5.5V
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

1. VDD: Power supply
2. GND: Ground
3. SCK: Serial clock input
4. SDI: Serial data input
5. SDO: Serial data output
6. CS: Chip select input
7. REF: Reference voltage input
8. IN-: Negative analog input
9. IN+: Positive analog input
10. AGND: Analog ground
11. DGND: Digital ground
12. NC: No connection

Functional Features

• High-resolution conversion
• Low noise and distortion
• Internal reference voltage
• Programmable gain amplifier
• On-chip temperature sensor
• Flexible power supply options

Advantages and Disadvantages

Advantages

• High precision and accuracy
• Low power consumption
• Wide input voltage range
• Easy integration with serial interface
• On-chip temperature sensor for compensation

Disadvantages

• Relatively low conversion rate compared to some other ADCs
• Limited number of channels

Working Principles

The LTC2487CDE#PBF utilizes a delta-sigma architecture to achieve high-resolution conversion. It employs oversampling and noise shaping techniques to improve the signal-to-noise ratio. The analog input is amplified, digitized, and processed to produce a digital output representing the input voltage.

Detailed Application Field Plans

The LTC2487CDE#PBF finds applications in various fields that require precise analog-to-digital conversion, such as:

1. Industrial automation: Measurement and control systems
2. Test and measurement equipment: Data acquisition systems
3. Medical devices: Patient monitoring, diagnostics
4. Instrumentation: Precision sensors, transducers
5. Energy management: Power monitoring, renewable energy systems

Detailed and Complete Alternative Models

1. LTC2440: 24-bit ADC with higher conversion rate
2. LTC2499: 24-bit ADC with multiple input channels
3. ADS124S08: 24-bit ADC with integrated multiplexer
4. MAX11270: 24-bit ADC with ultra-low power consumption
5. MCP3561: 24-bit ADC with on-chip voltage reference

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

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