Overview
The MAX147ACAP+T is a 12-bit, low-power, 8-channel analog-to-digital converter (ADC) from 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. The MAX147 operates from a single supply voltage ranging from 2.7V to 5.25V, making it versatile for various applications requiring high conversion speed and low power consumption.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Supply Voltage | 2.7V to 5.25V | V |
| Conversion Rate | Up to 133ksps | samples per second |
| Input Channels | 8 single-ended or 4 differential | |
| Reference Voltage | External reference required | V |
| Power Consumption | Low power, < 60µA at reduced sampling rates | mA/µA |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 20-pin DIP and SSOP |
Key Features
- Single-supply operation from 2.7V to 5.25V
- 8 single-ended or 4 differential input channels
- High conversion speed up to 133ksps
- Low power consumption, with automatic shutdown between conversions
- Software-configurable for unipolar/bipolar and single-ended/differential operation
- 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE
- Internal reference-buffer amplifier with ±1.5% voltage-adjustment range
- Available in 20-pin DIP and SSOP packages
Applications
- Data acquisition systems
- Digital signal processing
- Medical imaging and diagnostics (e.g., ultrasound)
- Industrial automation and control
- Aerospace and defense applications
- Automotive systems requiring high-speed and low-power ADCs
Q & A
- What is the resolution of the MAX147ACAP+T ADC?
The MAX147ACAP+T has a 12-bit resolution.
- What is the supply voltage range for the MAX147ACAP+T?
The MAX147ACAP+T operates from a single supply voltage ranging from 2.7V to 5.25V.
- How many input channels does the MAX147ACAP+T have?
The MAX147ACAP+T has 8 single-ended or 4 differential input channels.
- What is the conversion rate of the MAX147ACAP+T?
The MAX147ACAP+T can convert up to 133ksps.
- Does the MAX147ACAP+T require an external reference voltage?
Yes, the MAX147ACAP+T requires an external reference voltage.
- What are the operating temperature ranges for the MAX147ACAP+T?
The MAX147ACAP+T operates over a temperature range of -40°C to +85°C.
- In what packages is the MAX147ACAP+T available?
The MAX147ACAP+T is available in 20-pin DIP and SSOP packages.
- How does the MAX147ACAP+T manage power consumption?
The MAX147ACAP+T features low power consumption and can automatically shut down between conversions to reduce power usage.
- Is the MAX147ACAP+T compatible with common serial interfaces?
Yes, the MAX147ACAP+T has a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- What types of applications is the MAX147ACAP+T suited for?
The MAX147ACAP+T is suited for data acquisition systems, digital signal processing, medical imaging, industrial automation, aerospace, and automotive applications.
