Overview
The MAX147AEAP+T is a 12-bit, low-power, serial analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX146/MAX147 family, which combines an 8-channel multiplexer, high-bandwidth track/hold, and a serial interface. It operates from a single supply voltage ranging from +2.7V to +5.25V, making it versatile for various applications. The MAX147AEAP+T is designed for high conversion speed and low power consumption, making it suitable for power-sensitive and high-performance applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Sampling Rate | 133 kSPS | |
| Input Channel Type | Differential, Single Ended | |
| Supply Voltage Min | 2.7V | V |
| Supply Voltage Max | 5.25V | V |
| Data Interface | 4 Wire, Microwire, QSPI, Serial, SPI | |
| No. of Pins | 20 | |
| Operating Temperature Min | -40°C | °C |
| Operating Temperature Max | 85°C | °C |
| ADC / DAC Case Style | SSOP |
Key Features
- 8-channel multiplexer with single-ended or differential input configurations
- High-bandwidth track/hold circuitry
- 4-wire serial interface compatible with SPI, QSPI, and Microwire
- Internal or external serial-interface clock for successive-approximation conversions
- External reference required (±1.5% voltage-adjustment range)
- Software-configurable for unipolar/bipolar operation
- Low power consumption with automatic shutdown feature
- Quick turn-on time and low supply current in power-down mode
Applications
The MAX147AEAP+T is suitable for a variety of applications requiring high-speed, low-power data acquisition. These include:
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- Automotive systems (though not automotive qualified)
- Data acquisition systems in general
Q & A
- What is the resolution of the MAX147AEAP+T ADC?
The MAX147AEAP+T has a 12-bit resolution. - What is the sampling rate of the MAX147AEAP+T?
The sampling rate is 133 kSPS. - What types of input channels does the MAX147AEAP+T support?
The device supports both single-ended and differential input channels. - What is the supply voltage range for the MAX147AEAP+T?
The supply voltage range is from +2.7V to +5.25V. - What data interfaces are supported by the MAX147AEAP+T?
The device supports 4-wire, Microwire, QSPI, Serial, and SPI interfaces. - How many pins does the MAX147AEAP+T have?
The device has 20 pins. - What is the operating temperature range for the MAX147AEAP+T?
The operating temperature range is from -40°C to 85°C. - Does the MAX147AEAP+T have an internal reference voltage?
No, the MAX147AEAP+T requires an external reference voltage. - Can the MAX147AEAP+T be configured for power-down mode?
Yes, the device can be configured for automatic shutdown at the end of a conversion and has a software-selectable power-down feature. - What is the case style of the MAX147AEAP+T?
The case style is SSOP (Shrink Small Outline Package).
