Overview
The MAX11214EUG+ is a high-performance 24-bit delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is renowned for its exceptional signal-to-noise ratio (SNR) of 140dB and ultra-low power consumption of 5mW. It supports sample rates up to 32ksps, making it suitable for both precision DC and AC measurements. The MAX11214EUG+ features an integrated programmable gain amplifier (PGA) and optional signal buffers, enhancing its versatility in various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| SNR | 140dB |
| Sample Rate | Up to 32ksps |
| Analog Supply Voltage | 2.7V to 3.6V (single supply) or ±1.8V (split supplies) |
| Digital Supply Voltage | 2.0V to 3.6V |
| Power Consumption | 5mW |
| Integral Nonlinearity (INL) | 1ppm (typ), 4ppm (max) |
| Total Harmonic Distortion (THD) | -122dB |
| PGA Gain Settings | 1x to 128x |
| Package Type | 24-pin TSSOP |
| Interface | SPI-compatible serial interface |
Key Features
- High resolution for instrumentation applications requiring a wide dynamic range.
- Longer battery life for portable applications with low operating current (1.2mA from AVDD) and sleep current (1μA).
- High accuracy for DC measurements with integral nonlinearity of 1ppm (typ) and 4ppm (max).
- Flexible high-performance filter architecture with programmable SINC, FIR, and IIR filters.
- Optional signal buffers to isolate the signal inputs from the switched capacitor sampling network.
- Integrated PGA with gains of 1, 2, 4, 8, 16, 32, 64, and 128.
- Three general-purpose I/Os.
- Robust 24-pin TSSOP packaging.
Applications
- Seismic data acquisition.
- Scientific instrumentation.
- High-precision portable sensors.
- Medical equipment.
- Automated test equipment (ATE).
Q & A
- What is the resolution of the MAX11214EUG+ ADC? The MAX11214EUG+ has a resolution of 24 bits.
- What is the maximum sample rate of the MAX11214EUG+? The maximum sample rate is up to 32ksps.
- What is the power consumption of the MAX11214EUG+? The power consumption is ultra-low at 5mW.
- What are the analog supply voltage options for the MAX11214EUG+? The device can operate from a single 2.7V to 3.6V analog supply or split ±1.8V analog supplies.
- What is the SNR of the MAX11214EUG+? The SNR is 140dB.
- Does the MAX11214EUG+ have an integrated PGA? Yes, it has an integrated programmable gain amplifier with gain settings from 1x to 128x.
- What is the typical integral nonlinearity (INL) of the MAX11214EUG+? The typical INL is 1ppm.
- What is the package type of the MAX11214EUG+? The device is available in a 24-pin TSSOP package.
- What interface does the MAX11214EUG+ use for communication? It uses an SPI-compatible serial interface.
- What are some of the key applications of the MAX11214EUG+? Key applications include seismic data acquisition, scientific instrumentation, high-precision portable sensors, medical equipment, and automated test equipment (ATE).
