Multirange / +5V / 8-Channel / Serial 12-Bit ADCs The MAX1270AEAI is a 12-bit, multichannel, successive approximation analog-to-digital converter (ADC) manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Resolution:** 12-bit
- **Channels:** 8 single-ended or 4 differential
- **Sampling Rate:** Up to 110ksps (kilosamples per second)
- **Input Voltage Range:**
- Unipolar: 0V to +5V or 0V to +10V (software selectable)
- Bipolar: ±5V or ±10V (software selectable)
- **Interface:** SPI/QSPI/MICROWIRE-compatible serial interface
- **Supply Voltage:** +5V
- **Power Consumption:**
- Operating: 5mW (typical)
- Shutdown: 10µW (typical)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-pin SSOP
### **Descriptions:**
- The MAX1270AEAI is a high-performance, low-power, 12-bit ADC with an internal track/hold, voltage reference, and serial interface.
- It supports both unipolar and bipolar input ranges, making it suitable for various industrial and instrumentation applications.
- The device operates from a single +5V supply and includes a power-saving shutdown mode.
### **Features:**
- **Flexible Input Configuration:** 8 single-ended or 4 differential inputs.
- **Internal Reference:** 4.096V (typical) with low drift.
- **Low Power Consumption:** Optimized for battery-powered applications.
- **Software-Configurable Input Range:** Supports unipolar (0V to +5V/+10V) and bipolar (±5V/±10V) modes.
- **Fast Conversion Time:** 7.5µs (typical).
- **Serial Interface:** Compatible with SPI, QSPI, and MICROWIRE protocols.
- **Auto-Shutdown Mode:** Reduces power consumption when idle.
This ADC is commonly used in data acquisition systems, industrial controls, and portable instrumentation.
*(Note: Always refer to the official datasheet for detailed specifications and application guidelines.)*
