14-Bit and 16-Bit Parallel Low Glitch Multiplying DACs with 4-Quadrant Resistors The LTC1597-1BIG is a 12-bit, 4-channel analog-to-digital converter (ADC) manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Resolution:** 12-bit  
- **Channels:** 4 (multiplexed)  
- **Interface:** SPI-compatible serial  
- **Sampling Rate:** Up to 100ksps (kilo samples per second)  
- **Input Voltage Range:** 0V to VREF (programmable)  
- **Reference Voltage (VREF):** External (up to 5V)  
- **Power Supply:** Single +5V  
- **Power Consumption:** 4.5mW (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-lead SSOP  

### **Features:**  
- **Low Power:** 900µA supply current (typical)  
- **Internal Sample-and-Hold**  
- **Software-Configurable Unipolar/Bipolar Inputs**  
- **Auto Shutdown Mode** (reduces power consumption)  
- **High-Speed Serial Interface** (SPI/Microwire compatible)  
- **No Pipeline Delays** (fast conversion time)  
- **Pin-Compatible with LTC1594 (8-bit version)**  

This ADC is designed for precision data acquisition in industrial, medical, and instrumentation applications.

14-Bit and 16-Bit Parallel Low Glitch Multiplying DACs with 4-Quadrant Resistors