Overview
The MAX11129ATI+T, produced by Analog Devices Inc./Maxim Integrated, is a high-performance, low-power, serial output analog-to-digital converter (ADC). This device is part of the MAX11129–MAX11132 family, which features 12-/10-bit resolution and is designed for applications requiring high speed, low power consumption, and small package size.
These ADCs are ideal for portable battery-powered data-acquisition applications and other scenarios where low power and compact design are crucial. They operate over a wide temperature range of -40°C to +125°C, making them versatile for various environmental conditions.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Resolution | 10/12 bits | ||||
| Conversion Rate | fSAMPLE = 3Msps | 3 Msps | sps | ||
| Full-Power Bandwidth | -3dB | 50 MHz | Hz | ||
| Full-Linear Bandwidth | SINAD > 70dB | 1.5 MHz | Hz | ||
| Crosstalk | -0.5dB below full scale | -88 dB | dB | ||
| Power Consumption | VDD = 2.35V, fSAMPLE = 3Msps | 10.3 mW | mW | ||
| Acquisition Time | 52 ns | ns | |||
| Conversion Time (Internally Clocked) | 2.1 µs | µs | |||
| Conversion Time (Externally Clocked) | fSCLK = 48MHz, 16 cycles | 333 ns | ns | ||
| Operating Temperature Range | -40°C | +125°C | °C | ||
| Package Type | 28-pin TQFN |
Key Features
- Scan Modes and Internal Averaging: Supports both internal and external clock modes with internal averaging to improve signal-to-noise ratio (SNR) for noisy input signals.
- SampleSet Technology: User-programmable analog input channel sequencer, providing flexibility in multichannel applications and reducing microcontroller or DSP communication overhead.
- Analog Multiplexer: Configurable as single-ended, fully differential, or pseudo-differential inputs relative to a common input.
- Software-Selectable Bipolar Input Ranges: Allows for flexible input range selection.
- 16-Entry FIFO: Enables data to be sampled at high speeds and held for readout at any time or at a lower clock rate.
- Low Power Consumption: Features AutoShutdown, fast wake-up, and full power-down mode for optimal power management.
- High-Speed Serial Interface: Supports SPI, QSPI, and MICROWIRE devices without external logic.
Applications
The MAX11129ATI+T is suitable for a variety of applications, including:
- Portable Battery-Powered Data-Acquisition Systems: Ideal due to its low power consumption and compact design.
- Industrial Automation: Used in systems that require high-speed data acquisition with low power consumption.
- Medical Devices: Suitable for medical equipment that needs precise and fast analog-to-digital conversion.
- Aerospace and Defense: Used in applications requiring high reliability and performance over a wide temperature range.
- Automotive Systems: Applicable in automotive data acquisition systems that demand low power and high performance.
Q & A
- What is the resolution of the MAX11129ATI+T ADC?
The MAX11129ATI+T has a resolution of 10 or 12 bits.
- What is the maximum conversion rate of the MAX11129ATI+T?
The maximum conversion rate is 3 Msps (mega-samples per second).
- What is the full-power bandwidth of the MAX11129ATI+T?
The full-power bandwidth is 50 MHz.
- What types of input configurations are supported by the MAX11129ATI+T?
The device supports single-ended, fully differential, and pseudo-differential input configurations.
- What is the operating temperature range of the MAX11129ATI+T?
The operating temperature range is -40°C to +125°C.
- What package types are available for the MAX11129ATI+T?
The device is available in a 28-pin TQFN package.
- Does the MAX11129ATI+T support internal averaging?
Yes, it supports internal averaging to improve SNR in internal clock mode.
- What is the SampleSet technology in the MAX11129ATI+T?
SampleSet is a user-programmable analog input channel sequencer that provides flexibility in multichannel applications.
- How does the MAX11129ATI+T manage power consumption?
The device features AutoShutdown, fast wake-up, and full power-down mode for optimal power management.
- What types of serial interfaces does the MAX11129ATI+T support?
The device supports SPI, QSPI, and MICROWIRE interfaces.
