Overview
The MAX195BCWE+T is a high-precision 16-bit Analog to Digital Converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This ADC is designed for data acquisition applications, offering a combination of high speed, high accuracy, and low power consumption. It utilizes a successive-approximation register (SAR) architecture and features an external reference voltage requirement, making it suitable for a variety of precision data acquisition needs.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 16 |
| Sampling Rate (Per Second) | 85k |
| Input Type | Single Ended |
| Data Interface | SPI |
| Architecture | SAR (Successive Approximation Register) |
| Voltage - Supply, Analog | ±5V |
| Voltage - Supply, Digital | ±5V |
| Operating Temperature Range | 0°C ~ 70°C |
| Shutdown Current | 10µA (max) |
| Conversion Time | 9.4µs |
| Input Range | Unipolar (0V to VREF) or Bipolar (-VREF to VREF) |
Key Features
- High resolution of 16 bits with no missing codes, ensuring precise data acquisition.
- Fast sampling rate of 85k samples per second, suitable for moderate-speed applications.
- SPI interface for easy integration with digital systems.
- SAR architecture known for its reliability and speed.
- Low power consumption with a 10µA shutdown mode.
- Internal calibration circuitry corrects linearity and offset errors without external adjustments.
- Capacitive-DAC architecture providing an inherent track/hold function.
- Separate analog and digital supplies to minimize digital-noise coupling.
- Three-state serial-data output with up to 5Mbps data transfer rate.
- End-of-conversion (EOC) output for interrupting a processor or continuous conversions.
Applications
- Industrial control systems.
- Data acquisition systems.
- Sensor interfacing.
- Embedded systems.
- Portable instruments.
- Audio applications.
- Medical signal acquisition.
- Vibrations analysis.
- Digital signal processing.
Q & A
- What is the resolution of the MAX195BCWE+T ADC?
The MAX195BCWE+T has a resolution of 16 bits.
- What is the sampling rate of the MAX195BCWE+T?
The sampling rate is 85k samples per second.
- What type of input does the MAX195BCWE+T support?
The MAX195BCWE+T supports single-ended inputs.
- What is the data interface of the MAX195BCWE+T?
The data interface is SPI (Serial Peripheral Interface).
- What is the architecture of the MAX195BCWE+T ADC?
The architecture is Successive Approximation Register (SAR).
- What are the supply voltage requirements for the MAX195BCWE+T?
The supply voltage requirements are ±5V for both analog and digital supplies.
- What is the operating temperature range of the MAX195BCWE+T?
The operating temperature range is 0°C ~ 70°C.
- Does the MAX195BCWE+T have a shutdown mode?
- What are the typical applications of the MAX195BCWE+T?
The typical applications include industrial control systems, data acquisition systems, sensor interfacing, embedded systems, and more.
- Is the MAX195BCWE+T still available for purchase despite being obsolete?
Although it is marked as obsolete, it may still be available for legacy systems requiring this specific ADC configuration.
