Overview
The MAX11156ETC+ is an 18-bit, 500ksps Successive Approximation Register (SAR) Analog-to-Digital Converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This ADC is renowned for its excellent AC and DC performance, true bipolar input range, and compact size. It operates from a single 5V supply and features an internal reference and buffer, which helps in saving additional cost and space. The MAX11156ETC+ is particularly useful in applications requiring high accuracy and reliability, such as data acquisition systems, industrial control systems, medical instrumentation, and automatic test equipment.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Sampling Rate | 500 ksps |
| Analog Input Range | ±5V (10V P-P) |
| Supply Voltage | 5V (analog), 2.3V to 5.25V (digital) |
| Power Consumption | 25.8 mW at 500 ksps, 10 µA in shutdown mode |
| Signal-to-Noise Ratio (SNR) | 94.6 dB (typ) at 10 kHz |
| Total Harmonic Distortion (THD) | -101.4 dB (typ) at 10 kHz |
| Integral Nonlinearity (INL) | ±2.8 LSB (typ) |
| Differential Nonlinearity (DNL) | ±0.5 LSB (typ) |
| Input Type | Pseudo-differential |
| Data Interface | SPI-compatible serial interface at 2.5V, 3V, 3.3V, or 5V logic |
| Package | 12-pin, 3mm x 3mm TDFN |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- High DC/AC accuracy with 94.6 dB SNR and -101.4 dB THD at 10 kHz.
- 18-bit resolution with no missing codes and ±2.8 LSB INL (typ).
- 500 ksps throughput rate without pipeline delay or latency.
- Internal reference and buffer, saving additional cost and space.
- Patented charge-pump architecture for direct sampling of high-impedance sources.
- Wide supply range and low power consumption: 25.8 mW at 500 ksps, 10 µA in shutdown mode.
- SPI-compatible serial interface at 2.5V, 3V, 3.3V, or 5V logic, supporting daisy-chaining for multichannel applications.
- Busy indicator option for simplified system synchronization and timing.
Applications
- Data Acquisition Systems
- Industrial Control Systems/Process Control
- Medical Instrumentation
- Automatic Test Equipment
Q & A
- What is the resolution of the MAX11156ETC+ ADC?
The MAX11156ETC+ has an 18-bit resolution.
- What is the sampling rate of the MAX11156ETC+?
The sampling rate is 500 ksps.
- What is the analog input range of the MAX11156ETC+?
The analog input range is ±5V (10V P-P).
- What type of data interface does the MAX11156ETC+ use?
The MAX11156ETC+ uses an SPI-compatible serial interface at 2.5V, 3V, 3.3V, or 5V logic.
- Can the MAX11156ETC+ be used in multichannel applications?
- What is the power consumption of the MAX11156ETC+ at 500 ksps?
The power consumption is 25.8 mW at 500 ksps.
- What is the operating temperature range of the MAX11156ETC+?
The operating temperature range is -40°C to +85°C.
- Does the MAX11156ETC+ have an internal reference and buffer?
- What is the package type of the MAX11156ETC+?
- What are some typical applications of the MAX11156ETC+?
