Overview
The MAX146AEAP+ 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 +3.6V supply and is designed for a variety of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 8 |
| Supply Voltage | +2.7V to +3.6V |
| Conversion Rate | Up to 108 ksps |
| 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 Type | 20-pin SSOP |
Key Features
- High-bandwidth track/hold circuitry
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation
- SPI/QSPI/MICROWIRE-compatible 4-wire serial interface
- Direct connection to TMS320-family digital signal processors via serial strobe output
- Internal 2.5V reference voltage with ±1.5% voltage-adjustment range
- Low power consumption with automatic shutdown at the end of a conversion
- Quick turn-on time allowing shutdown between conversions
Applications
The MAX146AEAP+ is suitable for various applications requiring precise and efficient analog-to-digital conversion, such as data acquisition systems, industrial control systems, medical devices, and automotive systems. It is particularly useful in environments where low power consumption and high conversion speed are critical.
Q & A
- What is the resolution of the MAX146AEAP+? The MAX146AEAP+ has a 12-bit resolution.
- How many analog input channels does the MAX146AEAP+ have? The MAX146AEAP+ has 8 analog input channels.
- What is the operating voltage range of the MAX146AEAP+? The MAX146AEAP+ operates from a single +2.7V to +3.6V supply.
- What is the maximum conversion rate of the MAX146AEAP+? The MAX146AEAP+ can convert up to 108 ksps.
- Can the analog inputs of the MAX146AEAP+ be configured? Yes, the analog inputs are software-configurable for unipolar/bipolar and single-ended/differential operation.
- What type of serial interface does the MAX146AEAP+ use? The MAX146AEAP+ uses an SPI/QSPI/MICROWIRE-compatible 4-wire serial interface.
- Does the MAX146AEAP+ have an internal reference voltage? Yes, the MAX146AEAP+ has an internal 2.5V reference voltage.
- How much power does the MAX146AEAP+ consume? The MAX146AEAP+ consumes 54µA at 1ksps with a 3V supply and 1µA in power-down mode.
- In what package type is the MAX146AEAP+ available? The MAX146AEAP+ is available in a 20-pin SSOP package.
- Can the MAX146AEAP+ be shut down between conversions to save power? Yes, the MAX146AEAP+ can be programmed to automatically shut down at the end of a conversion, and it has a quick turn-on time to allow shutdown between conversions.
