Overview
The MAX1189AEUI+T is a 16-bit, 135ksps analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1187/MAX1189 family, known for its high precision and low power consumption. The MAX1189AEUI+T is particularly suited for applications requiring bipolar analog input voltage ranges and high-resolution conversion.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16 Bits | |
| Analog Input Voltage Range | ±10V | |
| Analog Supply Voltage | 4.75V to 5.25V | V |
| Digital Supply Voltage | 2.7V to 5.25V | V |
| Integral Nonlinearity (INL) | ±2 LSB (max) | LSB |
| Differential Nonlinearity (DNL) | ±1 LSB (max) | LSB |
| Analog Supply Current (External Reference) | 5.3mA | mA |
| Analog Supply Current (Internal Reference) | 6.2mA | mA |
| Shutdown Supply Current | 0.5µA to 5µA | µA |
| Signal-to-Noise Plus Distortion (SINAD) | 86 dB to 90 dB | dB |
| Signal-to-Noise Ratio (SNR) | 87 dB to 91 dB | dB |
| Total Harmonic Distortion (THD) | -100 dB to -92 dB | dB |
| Spurious-Free Dynamic Range (SFDR) | 92 dB to 103 dB | dB |
Key Features
- High-resolution 16-bit conversion with ±2LSB INL and ±1LSB DNL.
- Bipolar analog input voltage range of ±10V.
- Single +4.75V to +5.25V analog supply voltage and +2.7V to +5.25V digital supply voltage.
- Low power consumption with 5.3mA (external reference) and 6.2mA (internal reference) at 135ksps.
- AutoShutdown mode reducing supply current to 0.5µA to 5µA.
- Small footprint in a 28-pin TSSOP package.
- High AC accuracy with SINAD of 86 dB to 90 dB, SNR of 87 dB to 91 dB, and THD of -100 dB to -92 dB.
Applications
- Industrial automation and control systems.
- Medical devices requiring high precision and low noise.
- Aerospace and defense applications where reliability and accuracy are critical.
- Automotive systems, including sensor interfaces and data acquisition.
- Test and measurement equipment.
Q & A
- What is the resolution of the MAX1189AEUI+T ADC?
The MAX1189AEUI+T has a resolution of 16 bits.
- What is the analog input voltage range of the MAX1189AEUI+T?
The analog input voltage range is ±10V.
- What are the supply voltage ranges for the MAX1189AEUI+T?
The analog supply voltage range is 4.75V to 5.25V, and the digital supply voltage range is 2.7V to 5.25V.
- How much current does the MAX1189AEUI+T consume during normal operation?
The device consumes 5.3mA with an external reference and 6.2mA with an internal reference at 135ksps.
- What is the power consumption in AutoShutdown mode?
In AutoShutdown mode, the supply current is reduced to 0.5µA to 5µA.
- What is the package type of the MAX1189AEUI+T?
The device is packaged in a 28-pin TSSOP package.
- What are the key AC performance metrics of the MAX1189AEUI+T?
The key metrics include SINAD of 86 dB to 90 dB, SNR of 87 dB to 91 dB, and THD of -100 dB to -92 dB.
- Is the MAX1189AEUI+T suitable for high-temperature environments?
The device operates over a temperature range of 0°C to +70°C.
- What are some typical applications for the MAX1189AEUI+T?
Typical applications include industrial automation, medical devices, aerospace, automotive systems, and test and measurement equipment.
- How does the MAX1189AEUI+T ensure low noise and high accuracy?
The device features high INL and DNL specifications, and it operates with low noise and high AC accuracy metrics.
