MAX187CCWE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Analog-to-Digital Converter (ADC)
• Characteristics:
  • High-resolution ADC
  • Low power consumption
  • Small package size
  • Wide operating voltage range
• Package: CCWE (Ceramic Chip Carrier, Wide Body)
• Essence: MAX187CCWE is a high-resolution ADC designed for various applications that require accurate analog-to-digital conversion.
• Packaging/Quantity: The MAX187CCWE is typically sold in reels or tubes and comes in a quantity of 25 units per package.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 100 kilosamples per second (ksps)
• Input Voltage Range: 0V to Vref (typically 5V)
• Power Supply Voltage: 2.7V to 5.25V
• Power Consumption: 1.6mW (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX187CCWE has a total of 20 pins, which are assigned specific functions as follows:

1. REFOUT: Reference Output
2. AGND: Analog Ground
3. VREF: Reference Voltage Input
4. IN+ / IN-: Differential Analog Input
5. VIN-: Negative Analog Input
6. VIN+: Positive Analog Input
7. DGND: Digital Ground
8. CS: Chip Select
9. SCLK: Serial Clock Input
10. SDATA: Serial Data Output
11. EOC: End of Conversion Output
12. VDD: Power Supply Voltage

Functional Features

• High-resolution conversion: The MAX187CCWE provides 12-bit resolution, allowing for precise analog-to-digital conversion.
• Low power consumption: With a typical power consumption of 1.6mW, the MAX187CCWE is suitable for power-sensitive applications.
• Wide operating voltage range: The ADC can operate within a voltage range of 2.7V to 5.25V, providing flexibility in various systems.
• Serial interface: The MAX187CCWE utilizes a serial interface (SCLK and SDATA) for communication with microcontrollers or other digital devices.
• End of Conversion (EOC) output: The EOC pin indicates the completion of each conversion, allowing for synchronization with external devices.

Advantages and Disadvantages

Advantages

• High-resolution conversion for accurate measurements
• Low power consumption for energy-efficient designs
• Small package size for space-constrained applications
• Wide operating voltage range for compatibility with different systems

Disadvantages

• Limited sampling rate compared to some higher-end ADCs
• Requires an external reference voltage (VREF) for proper operation

Working Principles

The MAX187CCWE operates based on the successive approximation method. It converts analog input voltages into digital values by comparing them to a reference voltage. The internal circuitry performs a series of comparisons and adjustments until the digital representation closely matches the input voltage.

Detailed Application Field Plans

The MAX187CCWE is commonly used in various applications that require high-resolution analog-to-digital conversion, such as:

1. Data acquisition systems
2. Industrial automation
3. Medical equipment
4. Instrumentation and measurement devices
5. Audio processing systems

Detailed and Complete Alternative Models

1. MAX186CCWE: Similar to MAX187CCWE but with 10-bit resolution instead of 12 bits.
2. MAX189CCWE: Higher-resolution ADC with 16-bit resolution and similar features to MAX187CCWE.
3. LTC1867CCWE: Another 12-bit ADC with differential inputs and a different pin configuration.

These alternative models offer different specifications and pin configurations, providing options for specific application requirements.

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