Overview
The MAX11125ATI+ is a high-performance, low-power analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This 12-bit ADC features a successive-approximation register (SAR) architecture and is designed for high-speed data acquisition applications. It operates with an external reference and offers industry-leading specifications, including a 1.5MHz full linear bandwidth and a 1Msps conversion rate with no pipeline delay. The device is optimized for low power consumption, making it ideal for battery-powered and portable systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Conversion Rate | 1Msps |
| Full Linear Bandwidth | 1.5MHz |
| Supply Voltage | 2.35V to 3.6V |
| Power Consumption | 5.4mW at 1Msps with 3V supplies |
| Full-Shutdown Current | 2μA |
| Operating Temperature | -40°C to +125°C |
| Package Type | 28-pin, 5mm x 5mm TQFN |
| Input Configuration | Single-ended, fully differential, pseudo-differential |
| Serial Interface | 16MHz, 3-wire SPI-/QSPI-/MICROWIRE-/DSP-compatible |
Key Features
- Scan modes with internal averaging and internal clock
- 16-entry First-In/First-Out (FIFO) for high-speed data sampling
- SampleSet: User-defined channel sequence with a maximum length of 256
- Analog multiplexer with true differential track/hold
- Flexible input configuration: single-ended, fully differential, pseudo-differential
- High accuracy: ±1 LSB INL, ±1 LSB DNL, no missing codes over temperature range
- 70dB SINAD guaranteed at 250kHz input frequency
- AutoShutdown and fast wake-up for power management
- Wide I/O supply range: 1.5V to 3.6V, compatible with 1.8V, 2.5V, or 3.3V digital systems
Applications
- High-speed data acquisition systems
- High-speed closed-loop systems
- Industrial control systems
- Medical instrumentation
- Battery-powered instruments
- Portable systems
Q & A
- What is the resolution of the MAX11125ATI+ ADC?
The MAX11125ATI+ has a 12-bit resolution.
- What is the conversion rate of the MAX11125ATI+?
The conversion rate is 1Msps.
- What is the full linear bandwidth of the MAX11125ATI+?
The full linear bandwidth is 1.5MHz.
- What is the supply voltage range for the MAX11125ATI+?
The supply voltage range is from 2.35V to 3.6V.
- How much power does the MAX11125ATI+ consume at 1Msps with 3V supplies?
The power consumption is 5.4mW at 1Msps with 3V supplies.
- What is the full-shutdown current of the MAX11125ATI+?
The full-shutdown current is 2μA.
- What are the operating temperature ranges for the MAX11125ATI+?
The operating temperature range is from -40°C to +125°C.
- What types of input configurations are supported by the MAX11125ATI+?
The device supports single-ended, fully differential, and pseudo-differential input configurations.
- What is the SampleSet feature in the MAX11125ATI+?
The SampleSet feature allows for user-defined channel sequencing with a maximum length of 256.
- Is the MAX11125ATI+ compatible with various serial interfaces?
Yes, it is compatible with 16MHz, 3-wire SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interfaces.
