Overview
The MAX174AEWI+T is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is part of the MAX174/MX574A/MX674A family, known for their high speed, low power consumption, and integrated clock and voltage reference. The MAX174AEWI+T is designed to offer precise and efficient conversion of analog signals to digital data, making it suitable for a variety of applications requiring high accuracy and reliability.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Resolution | RES | 12 Bits | ||||
| Integral Nonlinearity | INL | TA = +25°C | ±1/2 LSB | |||
| Conversion Time | tCONV | 4 | 5 | 6 | µs | |
| VCC Operating Range | VCC | 11.4 | 16.5 | V | ||
| VL Operating Range | VL | 4.5 | 5.5 | V | ||
| VEE Operating Range | VEE | -11.4 | -16.5 | V | ||
| VCC Supply Current | ICC | 3 | 5 | mA | ||
| VL Supply Current | IL | 3 | 8 | mA | ||
| VEE Supply Current | IEE | 6 | 10 | mA | ||
| Power Dissipation | PD | VCC = +15V, VEE = -15V | 150 | 265 | mW | |
| Operating Temperature Range | -40°C | +85°C |
Key Features
- High-Speed Conversion: The MAX174AEWI+T offers fast conversion times, with a maximum conversion time of 6µs.
- Low Power Consumption: The component features low power dissipation, typically 150mW, making it energy-efficient.
- Integrated Clock and Voltage Reference: On-chip clock and voltage reference reduce the need for external components.
- Versatile Analog Input Structure: Supports various input ranges including 0 to +10V, 0 to +20V, ±5V, and ±10V with pin strapping.
- Standard Microprocessor Interface: Compatible with 8-, 12-, and 16-bit wide buses.
- Three-State Data Outputs: Controlled by CS, CE, and R/C logic inputs.
- Low-Drift and Low-Noise Performance: Internal buried zener reference ensures high accuracy and stability.
Applications
- Industrial Automation: Suitable for data acquisition systems, process control, and monitoring applications.
- Medical Devices: Used in medical imaging, patient monitoring, and diagnostic equipment.
- Aerospace and Defense: Applicable in various military and aerospace systems requiring high reliability and precision.
- Automotive Systems: Employed in automotive control systems, safety features, and diagnostic tools.
- Scientific Instruments: Ideal for laboratory equipment, test and measurement devices, and scientific research instruments.
Q & A
- What is the resolution of the MAX174AEWI+T ADC?
The MAX174AEWI+T has a resolution of 12 bits.
- What is the typical conversion time for the MAX174AEWI+T?
The typical conversion time is 5µs.
- What are the operating voltage ranges for VCC, VL, and VEE?
VCC: 11.4V to 16.5V, VL: 4.5V to 5.5V, VEE: -11.4V to -16.5V.
- What is the power dissipation of the MAX174AEWI+T?
The power dissipation is typically 150mW with VCC = +15V and VEE = -15V.
- What are the supported analog input ranges for the MAX174AEWI+T?
The component supports 0 to +10V, 0 to +20V, ±5V, and ±10V input ranges with pin strapping.
- Is the MAX174AEWI+T compatible with standard microprocessor interfaces?
Yes, it is compatible with 8-, 12-, and 16-bit wide buses.
- What is the operating temperature range for the MAX174AEWI+T?
The operating temperature range is -40°C to +85°C.
- Does the MAX174AEWI+T have an integrated clock and voltage reference?
Yes, it has an on-chip clock and voltage reference.
- What are the typical supply currents for VCC, VL, and VEE?
VCC: 3mA to 5mA, VL: 3mA to 8mA, VEE: 6mA to 10mA.
- How does the MAX174AEWI+T manage power dissipation?
The BiCMOS construction reduces power dissipation, making it 3 times more efficient than comparable devices.
