Overview
The MAX1189BCUI+ is a 16-bit, low-power, successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1179/MAX1187/MAX1189 family and is known for its high performance and versatility. It operates from a single +4.75V to +5.25V analog supply voltage and can interface with digital logic ranging from +2.7V to +5.25V. The MAX1189BCUI+ features a bipolar analog input voltage range of ±10V, making it suitable for a wide range of applications including industrial process control, instrumentation, and medical devices.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16 Bits | |
| Analog Supply Voltage | 4.75 to 5.25 | V |
| Digital Supply Voltage | 2.7 to 5.25 | V |
| Analog Input Voltage Range | ±10V | V |
| Integral Nonlinearity (INL) | ±2 LSB (max) | LSB |
| Differential Nonlinearity (DNL) | ±1 LSB (max) | LSB |
| Sampling Rate | 135ksps | |
| Analog Supply Current (External Reference) | 5.3mA | mA |
| Analog Supply Current (Internal Reference) | 6.2mA | mA |
| Shutdown Supply Current | 0.5µA | µA |
| Package Type | 28-Pin TSSOP | |
| Operating Temperature Range | 0°C to +70°C (commercial), -40°C to +85°C (extended) | °C |
Key Features
- 16-bit resolution with high DC accuracy (±2 LSB INL, ±1 LSB DNL).
- Single +4.75V to +5.25V analog supply voltage and separate digital supply input for direct interface with +2.7V to +5.25V digital logic.
- Bipolar analog input voltage range of ±10V.
- Low power consumption: 23mW at 135ksps with external reference, and 29mW with internal reference.
- AutoShutdown mode reduces supply current to 0.4mA at 10ksps.
- 16-bit wide parallel interface for data output.
- Factory-trimmed internal clock and automatic power-down features.
- Compact 28-pin TSSOP package.
Applications
- Industrial process control: The high accuracy and reliability of the MAX1189 make it suitable for precise measurements in industrial environments.
- Instrumentation: Ideal for various instrumentation applications requiring high-performance ADCs.
- Medical applications: Suitable for medical devices that require accurate and reliable data acquisition.
- Battery-powered data-acquisition systems: The low power consumption makes it ideal for battery-powered applications).
Q & A
- What is the resolution of the MAX1189BCUI+ ADC?
The MAX1189BCUI+ has a 16-bit resolution.
- What is the analog input voltage range of the MAX1189BCUI+?
The MAX1189BCUI+ has a bipolar analog input voltage range of ±10V).
- What are the operating temperature ranges for the MAX1189BCUI+?
The device operates over a commercial temperature range of 0°C to +70°C and an extended temperature range of -40°C to +85°C).
- How much power does the MAX1189BCUI+ consume during operation?
The device consumes 23mW at 135ksps with an external reference and 29mW with an internal reference).
- What is the sampling rate of the MAX1189BCUI+?
The MAX1189BCUI+ has a sampling rate of 135ksps).
- What type of package does the MAX1189BCUI+ come in?
The MAX1189BCUI+ is available in a 28-pin TSSOP package).
- Does the MAX1189BCUI+ have an auto-shutdown feature?
Yes, the MAX1189BCUI+ features an AutoShutdown mode that reduces supply current to 0.4mA at 10ksps).
- What are some typical applications for the MAX1189BCUI+?
Typical applications include industrial process control, instrumentation, medical devices, and battery-powered data-acquisition systems).
- How accurate is the MAX1189BCUI+ in terms of INL and DNL?
The MAX1189BCUI+ has an Integral Nonlinearity (INL) of ±2 LSB and a Differential Nonlinearity (DNL) of ±1 LSB).
- Can the MAX1189BCUI+ interface directly with different digital logic levels?
Yes, it can interface directly with digital logic levels ranging from +2.7V to +5.25V).
