Multirange / +5V / 8-Channel / Serial 12-Bit ADCs The MAX1270ACNG 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 inputs
- **Conversion Time:** 3µs (max)
- **Sampling Rate:** Up to 500ksps
- **Input Voltage Range:**
- **Unipolar:** 0V to +5V or 0V to +10V (software-selectable)
- **Bipolar:** ±5V or ±10V (software-selectable)
- **Supply Voltage:** +5V ±10%
- **Power Consumption:** 5mW (typ), 7.5mW (max)
- **Interface:** Parallel (8-bit μP-compatible)
- **Operating Temperature Range:** 0°C to +70°C
- **Package:** 24-pin PDIP
### **Descriptions:**
- The MAX1270ACNG is a high-speed, low-power, 12-bit ADC with an internal track/hold circuit.
- It supports both unipolar and bipolar input ranges, configurable via software.
- The device features a parallel interface for easy connection to microprocessors.
- It includes an internal 4.096V reference, but an external reference can also be used.
### **Features:**
- **8 Single-Ended or 4 Differential Inputs:** Flexible input configuration.
- **Software-Configurable Input Ranges:** Supports both unipolar and bipolar modes.
- **Internal Track/Hold:** Eliminates the need for an external sample-and-hold circuit.
- **Low Power Consumption:** Ideal for battery-powered applications.
- **Internal or External Reference Option:** Includes a 4.096V reference but allows external reference input.
- **Parallel Interface:** Simplifies integration with microcontrollers.
- **No External Clock Required:** Uses an internal clock for conversions.
The MAX1270ACNG is commonly used in data acquisition systems, industrial controls, and instrumentation applications.
