Overview
The MAX11254ATJ+ is a high-performance, 24-bit, 6-channel delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed to achieve exceptional performance while consuming very low power, making it ideal for precision DC measurements. The MAX11254ATJ+ features a sample rate of up to 64ksps and communicates via a SPI serial interface. It is available in a compact 32-pin TQFN-EP package, measuring 5mm x 5mm.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| Number of Channels | 6 |
| Sample Rate | Up to 64ksps |
| Noise (PGA) | 6.2nV/√Hz |
| Programmable Gain Amplifier (PGA) Gain | 1x to 128x |
| Analog Supply Voltage | 2.7V to 3.6V (single), ±1.8V (split) |
| Digital Supply Voltage | 1.7V to 2.0V or 2.0V to 3.6V |
| Interface | SPI serial interface |
| Package Type | 32-pin TQFN-EP (5mm x 5mm) |
Key Features
- Low power consumption with superior noise performance.
- Integrated programmable gain amplifier (PGA) with gain settings from 1x to 128x.
- Isolation of signal inputs from the switched capacitor sampling network via PGA.
- Ability to interface directly with high-impedance sources without compromising dynamic range.
- Support for sampling analog inputs below ground with split ±1.8V analog supplies.
- Compatibility with various digital supply voltages (1.7V to 2.0V or 2.0V to 3.6V) for communication with different logic levels.
- SPI serial interface for communication.
Applications
The MAX11254ATJ+ is suitable for a variety of applications that require high precision and low power consumption, such as:
- Precision DC measurements.
- Automotive touch-screen sensing.
- Industrial automation and control systems.
- Medical devices requiring high accuracy and low noise.
- Environmental monitoring and sensing.
Q & A
- What is the resolution of the MAX11254ATJ+ ADC?
The MAX11254ATJ+ has a resolution of 24 bits.
- How many channels does the MAX11254ATJ+ support?
The MAX11254ATJ+ supports 6 channels.
- What is the maximum sample rate of the MAX11254ATJ+?
The maximum sample rate is up to 64ksps.
- What is the noise performance of the PGA in the MAX11254ATJ+?
The PGA has a noise performance of 6.2nV/√Hz.
- What are the gain settings available for the PGA in the MAX11254ATJ+?
The PGA gain settings range from 1x to 128x.
- What are the supported analog supply voltage ranges for the MAX11254ATJ+?
The device operates from a single 2.7V to 3.6V analog supply or split ±1.8V analog supplies.
- What digital supply voltage ranges are supported by the MAX11254ATJ+?
The digital supply voltage ranges are 1.7V to 2.0V or 2.0V to 3.6V.
- What type of interface does the MAX11254ATJ+ use for communication?
The device communicates via a SPI serial interface.
- In what package type is the MAX11254ATJ+ available?
The MAX11254ATJ+ is available in a 32-pin TQFN-EP package (5mm x 5mm).
- What are some typical applications for the MAX11254ATJ+?
Typical applications include precision DC measurements, automotive touch-screen sensing, industrial automation, medical devices, and environmental monitoring.
