Overview
The MAX1278ETC+T is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1276/MAX1278 family, known for its true-differential inputs, which offer better noise immunity, distortion improvements, and a wider dynamic range compared to single-ended inputs. The MAX1278 operates from a single supply voltage of +4.75V to +5.25V and features an internal 4.096V reference, making it suitable for various high-performance applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | Up to 1.8 Msps |
| Supply Voltage | +4.75V to +5.25V |
| Internal Reference | 4.096V |
| Analog Input Type | Bipolar |
| Interface | SPI/QSPI/MICROWIRE compatible, 3-wire serial interface |
| Power Dissipation | Typically 55mW |
| Shutdown Current | Maximum 1µA |
| Operating Temperature Range | -40°C to +85°C |
| Package | 12-pin TQFN |
Key Features
- True-differential inputs for better noise immunity and distortion improvements
- High-speed sampling rate of up to 1.8 Msps
- Low power dissipation of typically 55mW
- Partial and full power-down modes for reduced power consumption
- Internal 4.096V reference
- No pipeline delays
- Small 12-pin TQFN package
- Separate power-supply input (VL) for direct interfacing to +1.8V to VDD digital logic
Applications
- Industrial process control
- Motor control
- Base-station applications
- Data acquisition
- Communications
- Portable instruments
Q & A
- What is the resolution of the MAX1278ETC+T ADC?
The MAX1278ETC+T has a 12-bit resolution.
- What is the maximum sampling rate of the MAX1278ETC+T?
The maximum sampling rate is up to 1.8 Msps.
- What is the supply voltage range for the MAX1278ETC+T?
The supply voltage range is +4.75V to +5.25V.
- Does the MAX1278ETC+T have an internal reference?
Yes, it includes an internal 4.096V reference.
- What type of analog input does the MAX1278ETC+T support?
The MAX1278ETC+T supports bipolar analog inputs.
- What interface does the MAX1278ETC+T use?
The device uses an SPI/QSPI/MICROWIRE compatible, 3-wire serial interface.
- How much power does the MAX1278ETC+T typically dissipate?
The device typically dissipates 55mW of power.
- What is the shutdown current of the MAX1278ETC+T?
The shutdown current is a maximum of 1µA.
- What is the operating temperature range of the MAX1278ETC+T?
The operating temperature range is -40°C to +85°C.
- In what package is the MAX1278ETC+T available?
The device is available in a 12-pin TQFN package.
