Multirange / +5V / 8-Channel / Serial 12-Bit ADCs The MAX1270BCAI 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 bits
- **Channels:** 8 single-ended or 4 differential
- **Sampling Rate:** Up to 110 kSPS (kilo samples per second)
- **Input Voltage Range:**
- **Unipolar:** 0V to VREF (2.5V to 5.25V)
- **Bipolar:** ±VREF/2 (1.25V to 2.625V)
- **Reference Voltage:** Internal (4.096V) or external (2.5V to 5.25V)
- **Supply Voltage:** +5V ±10%
- **Power Consumption:**
- **Operating Mode:** 7.5mA (typical)
- **Shutdown Mode:** 2µA (typical)
- **Interface:** SPI/QSPI/MICROWIRE-compatible serial interface
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-pin SSOP
### **Descriptions:**
- The MAX1270BCAI is a high-performance, low-power, 12-bit ADC with an 8-channel multiplexer.
- It supports both single-ended and differential input configurations.
- The device includes a track/hold, voltage reference, clock, and serial interface for easy microcontroller interfacing.
- It is designed for applications requiring precise analog-to-digital conversion, such as industrial control, data acquisition, and instrumentation.
### **Features:**
- **Flexible Input Configuration:** 8 single-ended or 4 differential inputs.
- **Internal or External Reference:** Built-in 4.096V reference or accepts an external reference.
- **Low Power Consumption:** 7.5mA operating current, 2µA shutdown mode.
- **High-Speed Serial Interface:** Compatible with SPI, QSPI, and MICROWIRE.
- **Software-Configurable Unipolar/Bipolar Modes:** Supports both input ranges.
- **Internal Track/Hold:** Eliminates the need for an external sample-and-hold circuit.
- **Wide Operating Temperature Range:** Suitable for industrial environments (-40°C to +85°C).
This information is strictly based on the manufacturer's datasheet for the MAX1270BCAI.
