Overview
The MAX146ACPP, part of the MAX146/MAX147 series, 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. The MAX146ACPP operates from a single +2.7V to +3.6V supply, making it suitable for a variety of low-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 8 channels |
| Supply Voltage | +2.7V to +3.6V |
| Conversion Speed | Up to 108ksps |
| Analog Input Configuration | Software configurable for unipolar/bipolar and single-ended/differential operation |
| Serial Interface | SPI/QSPI/MICROWIRE compatible 4-wire serial interface |
| Reference Voltage | Internal 2.5V reference |
| Power Consumption | 54µA (1ksps, 3V supply), 1µA (power-down mode) |
| Package | 20-pin DIP, 20-pin SSOP |
Key Features
- High conversion speed and low power consumption
- Software-configurable unipolar or bipolar inputs and single-ended or differential operation
- SPI/QSPI/MICROWIRE compatible 4-wire serial interface
- Internal 2.5V reference voltage
- Hard-wired SHDN-bar pin and software-selectable power-down mode
- Automatic shutdown at the end of a conversion to reduce supply current
- Quick turn-on time to minimize power consumption between conversions
Applications
- Data acquisition systems
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems requiring low power and high accuracy
Q & A
- What is the resolution of the MAX146ACPP?
The MAX146ACPP has a 12-bit resolution.
- How many analog input channels does the MAX146ACPP have?
The MAX146ACPP has 8 analog input channels.
- What is the operating voltage range of the MAX146ACPP?
The MAX146ACPP operates from a single +2.7V to +3.6V supply.
- What types of analog input configurations are supported by the MAX146ACPP?
The MAX146ACPP supports software-configurable unipolar/bipolar and single-ended/differential operation.
- What serial interface protocols are supported by the MAX146ACPP?
The MAX146ACPP supports SPI/QSPI/MICROWIRE compatible 4-wire serial interface.
- Does the MAX146ACPP have an internal reference voltage?
Yes, the MAX146ACPP has an internal 2.5V reference voltage.
- How does the MAX146ACPP manage power consumption?
The MAX146ACPP has a hard-wired SHDN-bar pin and software-selectable power-down mode, and it can automatically shut down at the end of a conversion to reduce supply current.
- What are the typical power consumption values for the MAX146ACPP?
The MAX146ACPP consumes 54µA at 1ksps with a 3V supply and 1µA in power-down mode.
- In what packages is the MAX146ACPP available?
The MAX146ACPP is available in 20-pin DIP and 20-pin SSOP packages.
- What is the temperature range for the MAX146ACPP?
The MAX146ACPP operates over a temperature range of 0°C to +70°C.
