Overview
The MAX178AEWG+ is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX178 series, known for its precision and reliability in digital signal processing. The MAX178AEWG+ features a complete, calibrated ADC with a precision voltage reference, track-and-hold, and conversion clock, making it suitable for a wide range of applications requiring accurate and reliable measurement and control.
Key Specifications
| Parameter | Value |
|---|---|
| Brand | Analog Devices Inc./Maxim Integrated |
| Product Category | Analog to Digital Converters - ADC |
| Mounting Style | SMD/SMT |
| Package / Case | SOIC-24 |
| Resolution | 12 bit |
| Number of Channels | 1 Channel |
| Interface Type | Parallel |
| Sampling Rate | 17 kS/s |
| Input Type | Single-Ended |
| Architecture | SAR (Successive Approximation Register) |
| Minimum Operating Temperature | 0°C |
| Maximum Operating Temperature | +85°C |
| DNL - Differential Nonlinearity | +/- 1 LSB |
| Operating Supply Voltage | 4.75 V to 5.25 V, 11.4 V to 15.75 V |
| Reference Type | External, Internal |
| Reference Voltage | 5 V |
Key Features
- Precision Voltage Reference: The MAX178AEWG+ includes a precision voltage reference, ensuring high accuracy in conversions.
- Track-and-Hold and Conversion Clock: Integrated track-and-hold and conversion clock provide reliable and consistent conversion processes.
- Internal Calibration: Internal calibration circuitry maintains true 12-bit performance over the full operating temperature range without external adjustments.
- Auto-Zero Cycle: Each conversion includes an auto-zero cycle, reducing zero errors to typically below 100μV.
- Microprocessor Interfacing: CHIP SELECT, READ, and WRITE inputs facilitate easy interfacing with microprocessors without additional logic.
- Converter Busy Flags: Two converter busy flags allow for polling of the converter's status.
Applications
- Industrial Control Systems: The MAX178AEWG+ is suitable for industrial control systems that require precise measurement and control.
- Medical Devices: Its high accuracy and reliability make it a good fit for medical devices that need precise data acquisition.
- Data Acquisition Systems: Ideal for data acquisition systems where high-resolution and accurate conversions are necessary.
- Automotive Systems: Can be used in automotive systems for various measurement and control applications.
Q & A
- What is the resolution of the MAX178AEWG+ ADC?
The MAX178AEWG+ has a 12-bit resolution.
- What is the sampling rate of the MAX178AEWG+?
The sampling rate is 17 kS/s.
- What type of interface does the MAX178AEWG+ use?
The interface type is parallel.
- What is the operating temperature range of the MAX178AEWG+?
The operating temperature range is from 0°C to +85°C.
- Does the MAX178AEWG+ have internal calibration?
Yes, it has internal calibration circuitry that maintains true 12-bit performance over the full operating temperature range.
- What is the reference voltage for the MAX178AEWG+?
The reference voltage is 5 V.
- Can the MAX178AEWG+ be used with external references?
Yes, it can be used with both external and internal references.
- How does the MAX178AEWG+ reduce zero errors?
Each conversion includes an auto-zero cycle, which reduces zero errors to typically below 100μV.
- What kind of input does the MAX178AEWG+ support?
The MAX178AEWG+ supports single-ended inputs.
- What is the architecture of the MAX178AEWG+ ADC?
The architecture is Successive Approximation Register (SAR).
