Overview
The MAX1275BCTC+ is a high-performance, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1274/MAX1275 family, known for its low power consumption, high speed, and true-differential input architecture. The MAX1275BCTC+ operates on a single supply voltage ranging from +4.75V to +5.25V and requires an external reference voltage. It is particularly suited for applications requiring high accuracy, low noise, and excellent dynamic range.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 12 | - |
| Sampling Rate | Up to 1.8 Msps | samples per second |
| Input Type | True-Differential | - |
| Input Voltage Range | -VREF/2 to +VREF/2 | V |
| Supply Voltage | +4.75V to +5.25V | V |
| Power Dissipation | 45 mW (typ) | mW |
| Shutdown Current | 1 µA (max) | µA |
| Operating Temperature | -40°C to +85°C | °C |
| Package | 12-TQFN Exposed Pad | - |
| Interface | SPI/QSPI/MICROWIRE compatible | - |
Key Features
- True-differential analog inputs for better noise immunity and distortion improvements.
- High-speed conversion rate of up to 1.8 Msps.
- Low power consumption with partial and full power-down modes (1 mA typ and 1 µA max, respectively).
- SPI/QSPI/MICROWIRE compatible interface for easy interfacing with microprocessors and DSPs.
- Bipolar analog input range.
- External reference voltage input.
- Separate power-supply input (VL) for direct interfacing to +1.8V to VDD digital logic.
- Excellent AC performance and DC accuracy (±1 LSB INL).
Applications
The MAX1275BCTC+ is ideal for various applications that require high-speed, low-power, and accurate analog-to-digital conversion. These include:
- Industrial process control.
- Motor control systems.
- Base-station applications.
- Medical instruments.
- Battery-powered instruments.
Q & A
- What is the sampling rate of the MAX1275BCTC+?
The MAX1275BCTC+ has a sampling rate of up to 1.8 Msps.
- What type of input does the MAX1275BCTC+ have?
The MAX1275BCTC+ features true-differential analog inputs.
- What is the supply voltage range for the MAX1275BCTC+?
The supply voltage range is from +4.75V to +5.25V.
- What are the power-down modes available in the MAX1275BCTC+?
The device has partial and full power-down modes, reducing the supply current to 1 mA (typ) and 1 µA (max), respectively.
- What interface does the MAX1275BCTC+ use?
The MAX1275BCTC+ uses an SPI/QSPI/MICROWIRE compatible interface.
- What is the operating temperature range of the MAX1275BCTC+?
The operating temperature range is from -40°C to +85°C.
- What type of package does the MAX1275BCTC+ come in?
The device comes in a 12-TQFN Exposed Pad package.
- Does the MAX1275BCTC+ require an external reference voltage?
- What are some typical applications of the MAX1275BCTC+?
Typical applications include industrial process control, motor control, base-station applications, and medical instruments.
- How does the MAX1275BCTC+ handle noise and distortion?
The true-differential inputs of the MAX1275BCTC+ provide better noise immunity and distortion improvements compared to single-ended inputs.
