+2.7V to +5.25V, Low-Power, 10-Bit Serial ADCs in SO-8 The MAX1243BCSA+ is a 12-bit analog-to-digital converter (ADC) manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:
### **Specifications:**
- **Resolution:** 12-bit
- **Input Channels:** 1 (single-ended)
- **Sampling Rate:** Up to **133 kSPS** (kilo samples per second)
- **Supply Voltage:** **+5V** (single supply)
- **Interface:** **SPI/QSPI™/MICROWIRE™** compatible
- **Operating Temperature Range:** **0°C to +70°C** (commercial grade)
- **Package:** **8-pin SOIC** (Small Outline Integrated Circuit)
- **Power Consumption:** **1.5mA** (operating), **2µA** (power-down mode)
- **Input Voltage Range:** **0V to VREF** (externally adjustable)
- **Reference Voltage:** External (must be supplied by the user)
- **DNL (Differential Nonlinearity):** ±1 LSB (max)
- **INL (Integral Nonlinearity):** ±1 LSB (max)
### **Descriptions:**
- The MAX1243BCSA+ is a low-power, **12-bit successive-approximation ADC** with an internal track/hold circuit.
- It is designed for **battery-powered and data acquisition applications** due to its low power consumption.
- The device includes a **serial interface** (SPI-compatible) for easy microcontroller interfacing.
- Requires an **external reference voltage** for operation, allowing flexibility in input range selection.
### **Features:**
- **Low Power:** Consumes only **1.5mA** during operation and **2µA** in shutdown mode.
- **Internal Track/Hold:** Eliminates the need for an external sample-and-hold circuit.
- **SPI-Compatible Serial Interface:** Simplifies communication with microcontrollers.
- **Single +5V Supply Operation:** Reduces system complexity.
- **Small Footprint:** 8-pin SOIC package for space-constrained applications.
- **Software-Configurable Power-Down Mode:** Enhances power efficiency in portable devices.
This information is strictly based on the manufacturer's datasheet and technical documentation.
