Overview
The MAX1277BCTC+T is a high-performance, low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1277/MAX1279 family, known for its fast conversion speed, excellent AC and DC performance, and low power dissipation. The MAX1277BCTC+T operates with a single supply voltage ranging from +2.7V to +3.6V and features a true-differential input, which enhances noise immunity and dynamic range. It is particularly suited for applications requiring high-speed data acquisition with minimal power consumption.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 12 | |
| Sampling Rate | 1.5 Msps | |
| Input Type | Differential | |
| Data Interface | SPI | |
| Architecture | SAR (Successive Approximation Register) | |
| Reference Type | Internal (2.048V) | |
| Voltage - Supply, Analog | +2.7V to +3.6V | |
| Voltage - Supply, Digital | +1.8V to +3.6V | |
| Operating Temperature | -40°C to +85°C | |
| Package / Case | 12-TQFN (4x4) Exposed Pad | |
| Power Dissipation | 22 mW (typ) | |
| Shutdown Current | 1 µA (max) | |
| Signal-to-Noise Ratio (SNR) | 68.5 dB at 525 kHz input frequency |
Key Features
- High-speed conversion rate of up to 1.5 Msps
- Low power dissipation of 22 mW (typ) and low shutdown current of 1 µA (max)
- True-differential inputs for improved noise immunity and dynamic range
- Internal 2.048V reference voltage
- No pipeline delays for accurate and timely data conversion
- High-speed, SPI-compatible, 3-wire serial interface
- Small 12-pin TQFN package with exposed pad
- Extended operating temperature range of -40°C to +85°C
- Partial and full power-down modes for reduced power consumption between conversions
Applications
- Industrial process control
- Motor control
- Base-station applications
- Data acquisition systems
- Portable instruments
- Communications equipment
Q & A
- What is the sampling rate of the MAX1277BCTC+T? The MAX1277BCTC+T has a sampling rate of up to 1.5 Msps.
- What type of input does the MAX1277BCTC+T have? The MAX1277BCTC+T features true-differential inputs.
- What is the power dissipation of the MAX1277BCTC+T? The power dissipation is typically 22 mW.
- What is the shutdown current of the MAX1277BCTC+T? The shutdown current is a maximum of 1 µA.
- What is the operating temperature range of the MAX1277BCTC+T? The operating temperature range is -40°C to +85°C.
- What type of package does the MAX1277BCTC+T come in? The MAX1277BCTC+T comes in a 12-pin TQFN package with an exposed pad.
- Does the MAX1277BCTC+T have an internal reference voltage? Yes, it has an internal 2.048V reference voltage.
- What interface does the MAX1277BCTC+T use for data communication? The MAX1277BCTC+T uses a high-speed, SPI-compatible, 3-wire serial interface.
- What are some typical applications of the MAX1277BCTC+T? Typical applications include industrial process control, motor control, base-station applications, and data acquisition systems.
- Does the MAX1277BCTC+T have power-down modes? Yes, it has partial and full power-down modes to reduce power consumption between conversions.
