Overview
The MAX1273BCPA is a 12-bit, low-power, analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1273 family, which is known for its high-speed conversion rates and low power consumption. The MAX1273BCPA is designed to operate with a single supply voltage and features true-differential inputs, enhancing noise immunity and dynamic range.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Rate | Up to 1.5 Msps |
| Supply Voltage | +4.75V to +5.25V |
| Internal Reference | 4.096V |
| Analog Input Type | True-Differential |
| Interface | SPI™/QSPI™/MICROWIRE™ |
| Power Consumption | 2mA (typ) in partial power-down, 1µA (max) in full power-down |
| Operating Temperature Range | -40°C to +85°C |
| Package | 8-pin PDIP or other variants |
Key Features
High-Speed Conversion: The MAX1273BCPA operates at conversion rates up to 1.5 Msps, making it suitable for high-speed applications.
Low Power Consumption: Features partial and full power-down modes to reduce power consumption to as low as 1µA.
True-Differential Inputs: Offers better noise immunity, distortion improvements, and a wider dynamic range compared to single-ended inputs.
Internal Reference: Includes a 4.096V internal reference for convenience and stability.
Flexible Interface: Supports SPI™, QSPI™, and MICROWIRE™ interfaces for easy integration with digital signal processors (DSPs) and other digital systems.
Compact Package: Available in a small 8-pin PDIP package, among other variants.
Applications
Industrial Process Control: Ideal for applications requiring high-speed data acquisition and low power consumption.
Motor Control: Suitable for motor control systems that need precise and fast analog-to-digital conversion.
Base-Station Applications: Used in telecommunications for base-station equipment due to its high-speed and low-power characteristics.
Q & A
- What is the resolution of the MAX1273BCPA ADC?
The MAX1273BCPA has a resolution of 12 bits.
- What is the maximum conversion rate of the MAX1273BCPA?
The MAX1273BCPA can operate at conversion rates up to 1.5 Msps.
- What is the supply voltage range for the MAX1273BCPA?
The device operates from a single supply voltage of +4.75V to +5.25V.
- Does the MAX1273BCPA have an internal reference?
Yes, it includes a 4.096V internal reference.
- What type of analog input does the MAX1273BCPA support?
The MAX1273BCPA supports true-differential analog inputs.
- What interfaces are supported by the MAX1273BCPA?
The device supports SPI™, QSPI™, and MICROWIRE™ interfaces.
- How much power does the MAX1273BCPA consume in power-down modes?
In partial power-down mode, it consumes 2mA (typ), and in full power-down mode, it consumes 1µA (max).
- What is the operating temperature range of the MAX1273BCPA?
The device operates over a temperature range of -40°C to +85°C.
- In what package is the MAX1273BCPA available?
The MAX1273BCPA is available in an 8-pin PDIP package, among other variants.
- What are some typical applications of the MAX1273BCPA?
It is typically used in industrial process control, motor control, and base-station applications.
