Overview
The MAX1274BCTC+T is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device operates at up to 1.8 million samples per second (Msps) and is designed for applications requiring high-speed conversion with low power consumption. The MAX1274BCTC+T features true-differential inputs, which provide better noise immunity, distortion improvements, and a wider dynamic range compared to single-ended inputs. It is suitable for various applications including industrial process control, motor control, and base-station communications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Sampling Rate | Up to 1.8 Msps | - |
| Resolution | 12-bit | - |
| Power Dissipation | 45 mW (typ) | mW |
| Shutdown Current | 1 µA (max) | µA |
| Supply Voltage Range | +4.75V to +5.25V | V |
| Input Voltage Range (MAX1274) | 0 to VREF | V |
| Input Voltage Range (MAX1275) | -VREF/2 to +VREF/2 | V |
| Signal-to-Noise and Distortion Ratio (S/(N + D)) | 70 dB at 525 kHz input frequency | dB |
| Package Type | 12-pin TQFN | - |
| Operating Temperature Range | -40°C to +85°C | °C |
Key Features
- High-speed, SPI-compatible, 3-wire serial interface
- Internal true-differential track/hold (T/H)
- External reference input
- No pipeline delays
- Low power dissipation and shutdown current
- Small 12-pin TQFN package
- Direct interfacing to +1.8V to VDD digital logic
Applications
- Industrial process control
- Motor control
- Base-station applications
- Bill validation
- Communications
- Data acquisition
- Portable instrumentation
Q & A
- What is the sampling rate of the MAX1274BCTC+T?
The MAX1274BCTC+T operates at up to 1.8 Msps.
- What is the resolution of the MAX1274BCTC+T?
The MAX1274BCTC+T has a 12-bit resolution.
- What is the typical power dissipation of the MAX1274BCTC+T?
The typical power dissipation is 45 mW.
- What is the shutdown current of the MAX1274BCTC+T?
The shutdown current is 1 µA (max).
- What is the supply voltage range for the MAX1274BCTC+T?
The supply voltage range is +4.75V to +5.25V.
- What type of input does the MAX1274 have?
The MAX1274 has a unipolar analog input.
- What type of input does the MAX1275 have?
The MAX1275 has a bipolar analog input.
- What is the operating temperature range of the MAX1274BCTC+T?
The operating temperature range is -40°C to +85°C.
- What is the package type of the MAX1274BCTC+T?
The package type is a 12-pin TQFN.
- What are some common applications for the MAX1274BCTC+T?
Common applications include industrial process control, motor control, base-station applications, bill validation, communications, data acquisition, and portable instrumentation.
