2.5 V, 12-bit, multichannel ADC/DAC with FIFO, temperature sensing, and GPIO port The MAX1257BETM is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Resolution:** 12-bit  
- **Sampling Rate:** 65Msps (Mega samples per second)  
- **Input Voltage Range:** 1.024Vpp (differential)  
- **Power Supply:** +3.3V  
- **Power Consumption:** 380mW (typical)  
- **DNL (Differential Non-Linearity):** ±0.5 LSB (max)  
- **INL (Integral Non-Linearity):** ±1.0 LSB (max)  
- **SNR (Signal-to-Noise Ratio):** 68dB (typical)  
- **SFDR (Spurious-Free Dynamic Range):** 85dB (typical)  
- **Package:** 48-pin TQFP  

### **Descriptions and Features:**  
- **High-Speed ADC:** Supports sampling rates up to 65Msps.  
- **Low Power:** Optimized for power-sensitive applications.  
- **Differential Input:** Improves noise immunity and signal integrity.  
- **Internal Reference:** Includes a 1.024V precision reference.  
- **On-Chip Track/Hold:** Eliminates the need for an external sample-and-hold circuit.  
- **LVDS-Compatible Outputs:** Supports low-voltage differential signaling for high-speed data transfer.  
- **Wideband Input:** Suitable for communications, medical imaging, and test equipment.  
- **Single +3.3V Supply Operation:** Simplifies power supply design.  

This ADC is designed for applications requiring high-speed data conversion with low power consumption.

2.5 V, 12-bit, multichannel ADC/DAC with FIFO, temperature sensing, and GPIO port