Overview
The MAX147BCAP+ is a 12-bit data-acquisition system produced by Analog Devices Inc./Maxim Integrated. This device combines an 8-channel multiplexer, high-bandwidth track/hold, and a serial interface, offering high conversion speed and low power consumption. It operates from a single +2.7V to +5.25V supply, making it versatile for various applications. The MAX147 is designed for software-configurable analog inputs, supporting both unipolar and bipolar, as well as single-ended and differential operations.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Number of Channels | 8 | |
| Supply Voltage | +2.7V to +5.25V | V |
| Conversion Rate | Up to 133ksps | samples per second |
| Input Configuration | Unipolar/Bipolar, Single-Ended/Differential | |
| Reference Voltage | External reference required (VREF = 2.500V) | V |
| Interface | 4-wire serial interface (SPI/QSPI/MICROWIRE compatible) | |
| Package | 20-pin SSOP | |
| Power Consumption | Low power, < 60µA at reduced sampling rates | A |
Key Features
- High conversion speed up to 133ksps
- Low power consumption, with supply current under 60µA at reduced sampling rates
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation
- 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices
- Serial strobe output for direct connection to TMS320-family digital signal processors
- Internal clock or external serial-interface clock options
- Reference-buffer amplifier with ±1.5% voltage-adjustment range
- Hard-wired SHDN-bar pin and software-selectable power-down
Applications
The MAX147BCAP+ is suitable for a variety of applications requiring high-speed, low-power data acquisition. These include:
- Data acquisition systems
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Evaluation kits for comprehensive system testing
Q & A
- What is the resolution of the MAX147BCAP+?
The MAX147BCAP+ has a 12-bit resolution.
- How many channels does the MAX147BCAP+ support?
The MAX147BCAP+ supports 8 channels.
- What is the operating voltage range of the MAX147BCAP+?
The MAX147BCAP+ operates from a single +2.7V to +5.25V supply.
- What is the maximum conversion rate of the MAX147BCAP+?
The MAX147BCAP+ can convert up to 133ksps.
- Can the MAX147BCAP+ be configured for different input types?
Yes, the MAX147BCAP+ can be software-configured for unipolar/bipolar and single-ended/differential input operations.
- Does the MAX147BCAP+ require an external reference voltage?
Yes, the MAX147BCAP+ requires an external reference voltage (VREF = 2.500V).
- What type of interface does the MAX147BCAP+ use?
The MAX147BCAP+ uses a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices.
- How does the MAX147BCAP+ manage power consumption?
The MAX147BCAP+ has low power consumption, with supply current under 60µA at reduced sampling rates, and features hard-wired SHDN-bar pin and software-selectable power-down.
- What package options are available for the MAX147BCAP+?
The MAX147BCAP+ is available in a 20-pin SSOP package.
- Is there an evaluation kit available for the MAX147BCAP+?
Yes, there is an evaluation kit available for comprehensive evaluation of the MAX147BCAP+ using a personal computer.
