Overview
The MAX1278CTC+T, produced by Analog Devices Inc./Maxim Integrated, is a high-performance, low-power, 12-bit analog-to-digital converter (ADC) designed for a variety of applications requiring high speed and precision. This device operates at up to 1.8 million samples per second (Msps) and features a true-differential input architecture, which enhances noise immunity and distortion performance. The MAX1278CTC+T is ideal for industrial process control, motor control, and base-station applications due to its fast conversion speed, low power dissipation, and excellent AC and DC accuracy.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Sampling Rate | Up to 1.8 Msps | |
| Power Supply | +4.75V to +5.25V | V |
| Power Dissipation | 55 mW (typ) | mW |
| Shutdown Current | 1 µA (max) | µA |
| Internal Reference | 4.096V | V |
| Input Type | True-Differential | |
| Input Voltage Range | -VREF/2 to +VREF/2 (bipolar) | V |
| Signal-to-Noise Plus Distortion Ratio (SINAD) | Up to 71 dB | dB |
| Total Harmonic Distortion (THD) | -87 dB | dB |
| Aperture Delay | 5 ns | ns |
| Aperture Jitter | 30 ps | ps |
| Package Type | 12-pin TQFN | |
| Operating Temperature Range | -40°C to +85°C | °C |
Key Features
- High-speed, SPI-compatible, 3-wire serial interface
- Low power dissipation: 55 mW (typ)
- Low shutdown current: 1 µA (max)
- Internal true-differential track/hold (T/H) circuitry
- Internal 4.096V reference
- No pipeline delays
- Small 12-pin TQFN package suitable for space-constrained designs
- Partial and full power-down modes for reduced power consumption
- 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 systems
- Communications equipment
- Portable instruments
Q & A
- What is the sampling rate of the MAX1278CTC+T?
The MAX1278CTC+T operates at up to 1.8 million samples per second (Msps).
- What type of input does the MAX1278CTC+T have?
The MAX1278CTC+T features true-differential analog inputs.
- What is the power supply range for the MAX1278CTC+T?
The device operates from a single +4.75V to +5.25V supply voltage.
- What is the typical power dissipation of the MAX1278CTC+T?
The typical power dissipation is 55 mW.
- What is the shutdown current of the MAX1278CTC+T?
The shutdown current is 1 µA (max).
- Does the MAX1278CTC+T have an internal reference?
Yes, it has an internal 4.096V reference.
- What is the operating temperature range of the MAX1278CTC+T?
The operating temperature range is -40°C to +85°C.
- What type of package does the MAX1278CTC+T come in?
The device comes in a 12-pin TQFN package.
- What are some common applications for the MAX1278CTC+T?
Common applications include industrial process control, motor control, and base-station applications.
- Does the MAX1278CTC+T support power-down modes?
Yes, it supports partial and full power-down modes for reduced power consumption.
