Overview
The MAX194ACWE+ is a 14-bit successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component combines high speed, high accuracy, and low power consumption, making it an ideal choice for various applications. It features internal calibration circuitry that corrects linearity and offset errors, ensuring full rated performance over the operating temperature range without external adjustments. The MAX194ACWE+ also includes a capacitive-DAC architecture that provides an inherent 85ksps track/hold function.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14 bits |
| Conversion Rate | 85 ksps |
| Conversion Time | 9.4 µs |
| Integral Nonlinearity (INL) | ± 0.5 LSB |
| Signal-to-Noise and Distortion Ratio (SINAD) | 82 dB |
| Shutdown Current | 10 µA |
| Input Range | Unipolar (0V to VREF), Bipolar (-VREF to VREF) |
| Analog Supply Voltage | ±5V |
| Digital Supply Voltage | ±5V |
| Operating Temperature | 0°C to 70°C |
| Package Type | 16-SOIC (0.295", 7.50mm Width) |
Key Features
- True 14-bit accuracy with 1/2LSB INL and 82dB SINAD
- High-speed conversion with 9.4µs conversion time
- Low power consumption with 10µA shutdown mode
- Built-in track/hold function with capacitive-DAC architecture
- Pin-selectable unipolar (0V to VREF) and bipolar (-VREF to VREF) input range
- Three-state serial-data output with up to 5Mbps data rate
- Small 16-pin DIP, SO, and ceramic sidebraze packages
- Pin-compatible with the 16-bit MAX195 ADC
Applications
- Portable Instruments
- Audio
- Industrial Controls
- Robotics
- Multiple Transducer Measurements
- Medical Signal Measurements
- Vibration Analysis
- Digital Signal Processing
Q & A
- What is the resolution of the MAX194ACWE+ ADC?
The MAX194ACWE+ has a resolution of 14 bits. - What is the conversion rate of the MAX194ACWE+?
The conversion rate is 85 ksps. - How long does a conversion take for the MAX194ACWE+?
A conversion takes 9.4 µs. - What is the integral nonlinearity (INL) of the MAX194ACWE+?
The INL is ± 0.5 LSB. - What is the signal-to-noise and distortion ratio (SINAD) of the MAX194ACWE+?
The SINAD is 82 dB. - What is the shutdown current of the MAX194ACWE+?
The shutdown current is 10 µA. - What are the input range options for the MAX194ACWE+?
The input range can be set to either unipolar (0V to VREF) or bipolar (-VREF to VREF). - What are the supply voltage requirements for the MAX194ACWE+?
The analog and digital supply voltages are ±5V. - What is the operating temperature range for the MAX194ACWE+?
The operating temperature range is 0°C to 70°C. - In what packages is the MAX194ACWE+ available?
The MAX194ACWE+ is available in 16-pin DIP, SO, and ceramic sidebraze packages.
