Overview
The MAX1288ETA+T is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1286–MAX1289 family, known for their low power consumption, high dynamic performance, and compact package size. The MAX1288 is particularly suited for applications requiring true-differential input capabilities and low power operation.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Resolution | - | - | - | 12 bits | - |
| Supply Voltage | - | +2.7V | - | +3.6V | V |
| Sampling Rate | - | - | - | 150ksps | sps |
| Input Type | - | - | - | True-Differential | - |
| Reference Voltage | - | - | - | +4.096V (internal) | V |
| Power Consumption | - | - | - | 245µA @ 150ksps | µA |
| Package Type | - | - | - | 8-Pin SOT23 or 8-Pin TDFN | - |
| Interface | - | - | - | SPI/QSPI/MICROWIRE compatible | - |
Key Features
- 12-Bit Resolution: Provides high accuracy for analog-to-digital conversions.
- True-Differential Input: Supports true-differential input signals, enhancing noise immunity and flexibility.
- Low Power Consumption: Operates with low power, making it ideal for battery-powered and portable applications.
- Single-Supply Operation: Functions with a single supply voltage ranging from +2.7V to +3.6V.
- Internal Reference: Includes an internal +4.096V reference voltage for convenience and stability.
- SPI/QSPI/MICROWIRE Compatible Interface: Facilitates easy integration with various microcontrollers and digital signal processors.
- AutoShutdown Between Conversions: Reduces power consumption during idle periods.
- Compact Package: Available in 8-pin SOT23 and 8-pin TDFN packages, suitable for space-constrained designs.
Applications
- Portable Battery-Powered Data Acquisition: Ideal for applications where low power consumption and minimal space are critical.
- Medical Instruments: Suitable for medical devices requiring high accuracy and low power operation.
- Industrial Automation: Used in various industrial applications where precise analog-to-digital conversion is necessary.
- Touch Screens and User Interfaces: Can be integrated into touch screen and user interface systems for accurate signal processing.
- Flowmeters and Sensors: Compatible with various sensors and flowmeters, enhancing measurement accuracy in different environments.
Q & A
- What is the resolution of the MAX1288ETA+T ADC?
The MAX1288ETA+T has a 12-bit resolution.
- What is the operating supply voltage range for the MAX1288ETA+T?
The device operates from a single supply voltage ranging from +2.7V to +3.6V.
- What type of input does the MAX1288ETA+T support?
The MAX1288ETA+T supports true-differential input signals.
- What is the maximum sampling rate of the MAX1288ETA+T?
The maximum sampling rate is 150ksps.
- Does the MAX1288ETA+T have an internal reference voltage?
Yes, it includes an internal +4.096V reference voltage.
- What interface does the MAX1288ETA+T use for data communication?
The device uses an SPI/QSPI/MICROWIRE compatible interface.
- How does the MAX1288ETA+T manage power consumption during idle periods?
The device features auto-shutdown between conversions to reduce power consumption.
- In what package types is the MAX1288ETA+T available?
The device is available in 8-pin SOT23 and 8-pin TDFN packages.
- What are some typical applications for the MAX1288ETA+T?
Typical applications include portable battery-powered data acquisition, medical instruments, industrial automation, touch screens, and flowmeters.
- How does the MAX1288ETA+T protect against overvoltage conditions?
The device has built-in protection mechanisms, but specific details on overvoltage protection are not provided in the given sources.
