Overview
The MAX195 is a 16-bit successive-approximation analog-to-digital converter (ADC) designed by Analog Devices Inc./Maxim Integrated. This component combines high speed, high accuracy, and low power consumption, making it suitable for a variety of applications. It features a 10µA shutdown mode and internal calibration circuitry to correct linearity and offset errors, ensuring full rated performance over the operating temperature range without external adjustments.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Sample Rate | 85 ksps |
| Shutdown Current | 10 µA (max) |
| Conversion Time | 9.4 µs |
| Input Range | Unipolar (0V to VREF) or Bipolar (-VREF to VREF) |
| Reference Voltage | Up to +5V |
| Supply Voltage | Separate analog and digital supplies |
| Package Options | 16-pin DIP, wide SO, and ceramic sidebraze |
| SINAD | 90 dB |
| Serial Data Output Rate | Up to 5 Mbps |
Key Features
- High speed and high accuracy with 16-bit resolution and 85 ksps sample rate.
- Low power consumption with a 10 µA shutdown mode.
- Internal calibration circuitry to correct linearity and offset errors.
- Capacitive-DAC architecture providing an inherent track/hold function.
- Pin-selectable unipolar (0V to VREF) or bipolar (-VREF to VREF) input range.
- Separate analog and digital supplies to minimize digital-noise coupling.
- Three-state serial-data output with up to 5 Mbps data rate.
- End-of-conversion (EOC) output for interrupting a processor or continuous conversions.
Applications
- Portable instruments
- Audio systems
- Industrial controls
- Robotics
- Multiple transducer measurements
- Medical signal acquisition
- Vibration analysis
- Digital signal processing
Q & A
- What is the resolution of the MAX195 ADC?
The MAX195 has a 16-bit resolution.
- What is the sample rate of the MAX195?
The sample rate of the MAX195 is 85 ksps.
- What is the shutdown current of the MAX195?
The shutdown current of the MAX195 is 10 µA (max).
- What are the input range options for the MAX195?
The MAX195 offers pin-selectable unipolar (0V to VREF) or bipolar (-VREF to VREF) input ranges.
- What is the maximum serial data output rate of the MAX195?
The maximum serial data output rate of the MAX195 is up to 5 Mbps.
- How does the MAX195 minimize digital-noise coupling?
The MAX195 minimizes digital-noise coupling by using separate analog and digital supplies.
- What is the purpose of the end-of-conversion (EOC) output in the MAX195?
The EOC output can be used to interrupt a processor or for continuous, full-speed conversions by connecting it directly to the convert input (CONV).
- What are the package options available for the MAX195?
The MAX195 is available in 16-pin DIP, wide SO, and ceramic sidebraze packages.
- What is the SINAD (Signal-to-Noise and Distortion) of the MAX195?
The SINAD of the MAX195 is 90 dB.
- Does the MAX195 require external adjustments for temperature compensation?
No, the MAX195 includes internal calibration circuitry to correct linearity and offset errors, eliminating the need for external adjustments.
