Overview
The MAX194ACWE+T 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. The MAX194 features internal calibration circuitry that corrects linearity and offset errors, ensuring full rated performance over the operating temperature range without external adjustments. It also includes a capacitive-DAC architecture that provides an inherent 85ksps track/hold function.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Conversion Rate | 85 ksps |
| Conversion Time | 9.4 µs |
| Shutdown Current | 10 µA |
| Input Range | Unipolar (0V to VREF), Bipolar (-VREF to VREF) |
| Reference Type | External (up to +5V) |
| Analog Supply Voltage | ±5V |
| Digital Supply Voltage | ±5V |
| Operating Temperature | 0°C to 70°C |
| Package Types | 16-pin DIP, Wide SO, Ceramic sidebraze |
Key Features
- True 14-bit accuracy: 1/2LSB INL, 82dB SINAD
- Built-in track/hold function
- AC and DC specified
- Three-state serial-data output
- Pin-for-pin and functional compatibility with the 16-bit MAX195 ADC
- Small 16-pin DIP, SO, and ceramic sidebraze packages
- Separate analog and digital supplies to minimize digital-noise coupling
Applications
- Portable Instruments
- Audio
- Industrial Controls
- Robotics
- Multiple Transducer Measurements
- Medical Signal Measurements
- Vibrations Analysis
- Digital Signal Processing
Q & A
- What is the resolution of the MAX194ACWE+T ADC?
The MAX194ACWE+T has a resolution of 14 bits. - What is the conversion rate of the MAX194ACWE+T?
The conversion rate is 85 ksps. - How long does a conversion take?
A conversion takes 9.4 µs. - What is the shutdown current of the MAX194ACWE+T?
The shutdown current is 10 µA. - What are the input range options for the MAX194ACWE+T?
The input range can be either unipolar (0V to VREF) or bipolar (-VREF to VREF). - What type of reference does the MAX194ACWE+T use?
The MAX194ACWE+T uses an external reference (up to +5V). - What are the supply voltage requirements for the MAX194ACWE+T?
The analog and digital supply voltages are ±5V. - What is the operating temperature range of the MAX194ACWE+T?
The operating temperature range is 0°C to 70°C. - In what packages is the MAX194ACWE+T available?
The MAX194ACWE+T is available in 16-pin DIP, wide SO, and ceramic sidebraze packages. - Is the MAX194ACWE+T compatible with other ADC models?
Yes, it is pin-for-pin and functionally compatible with the 16-bit MAX195 ADC.
