Overview
The MAX11128ATI+TG3U, produced by Analog Devices Inc./Maxim Integrated, is a high-performance, low-power, successive approximation register (SAR) analog-to-digital converter (ADC). This device is part of the MAX11120–MAX11128 family, offering 12-, 10-, or 8-bit resolution with an external reference. It features a 1Msps conversion rate and a full linear bandwidth of 1.5MHz, making it suitable for high-speed data acquisition and various industrial applications.
The MAX11128ATI+TG3U operates from a 2.35V to 3.6V supply voltage and consumes only 5.4mW at 1Msps, making it ideal for battery-powered and portable systems. The device is available in a 28-pin, 5mm x 5mm TQFN package and operates over a wide temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Resolution | RES | 12 bits | ||||
| Integral Nonlinearity | INL | ±1.0 LSB | ±1.2 LSB | |||
| Differential Nonlinearity | DNL | No missing codes | ±1.0 LSB | |||
| Offset Error | 0.7 LSB | ±2.5 LSB | ||||
| Gain Error | -0.5 LSB | ±4.0 LSB | ||||
| Supply Voltage | VDD | 2.35V | 3.6V | V | ||
| Power Consumption | fSAMPLE = 1Msps, VDD = 3V | 5.4mW | mW | |||
| Full-Power Bandwidth | -3dB | 50 MHz | Hz | |||
| Conversion Rate | fSAMPLE | 1Msps | sps | |||
| External Clock Frequency | fSCLK | 0.16MHz | 16MHz | Hz | ||
| Operating Temperature | TA | -40°C | +125°C | °C |
Key Features
- High-Speed Conversion: 1Msps conversion rate with no pipeline delay.
- Low Power Consumption: 5.4mW at 1Msps with 3V supplies, and 2μA full-shutdown current.
- Flexible Input Configuration: Analog input channels can be configured as single-ended, fully differential, or pseudo-differential inputs relative to a common input.
- SampleSet Technology: User-programmable analog input channel sequencer for greater sequencing flexibility in multichannel applications.
- Internal Averaging and FIFO: Internal clock mode features internal averaging to increase SNR and an integrated FIFO for high-speed data sampling.
- Wide Supply Voltage Range: 2.35V to 3.6V supply voltage and 1.5V to 3.6V I/O supply range.
- High-Speed Serial Interface: 16MHz, 3-wire SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface.
- AutoShutdown and Fast Wake-Up: Features AutoShutdown and fast wake-up for optimal power management.
- Compact Package: Available in 28-pin, 5mm x 5mm TQFN packages.
Applications
- High-Speed Data Acquisition Systems: Ideal for applications requiring fast and accurate data conversion.
- High-Speed Closed-Loop Systems: Suitable for control systems that need rapid feedback loops.
- Industrial Control Systems: Used in various industrial automation and control applications.
- Medical Instrumentation: Applicable in medical devices that require precise and fast data acquisition.
- Battery-Powered Instruments: Ideal for portable and battery-powered devices due to its low power consumption.
- Portable Systems: Suitable for handheld and portable systems that demand low power and high performance.
Q & A
- What is the conversion rate of the MAX11128ATI+TG3U?
The MAX11128ATI+TG3U has a conversion rate of 1Msps (1 million samples per second).
- What are the available resolutions for the MAX11128ATI+TG3U?
The device is available in 12-, 10-, or 8-bit resolutions.
- What is the power consumption of the MAX11128ATI+TG3U at 1Msps?
The device consumes 5.4mW at 1Msps with 3V supplies.
- What is the operating temperature range of the MAX11128ATI+TG3U?
The device operates over a temperature range of -40°C to +125°C.
- What types of input configurations are supported by the MAX11128ATI+TG3U?
The device supports single-ended, fully differential, and pseudo-differential input configurations.
- What is the SampleSet technology in the MAX11128ATI+TG3U?
The SampleSet technology is a user-programmable analog input channel sequencer that provides greater sequencing flexibility for multichannel applications.
- Does the MAX11128ATI+TG3U have an integrated FIFO?
Yes, the internal clock mode features an integrated FIFO allowing data to be sampled at high speeds and then held for readout at any time or at a lower clock rate.
- What is the full-power bandwidth of the MAX11128ATI+TG3U?
The full-power bandwidth is 50 MHz at -3dB.
- Is the MAX11128ATI+TG3U suitable for battery-powered applications?
Yes, it is suitable due to its low power consumption and full-shutdown current of 2μA.
- What is the package type and size of the MAX11128ATI+TG3U?
The device is available in a 28-pin, 5mm x 5mm TQFN package.
