Analog Devices Inc. AD7478AARMZ-REEL7

Description
The AD7476A/AD7477A/AD7478A are 12-bit, 10-bit, and 8-bit high-speed, low-power, successive-approximation analog-to-digital converters (ADCs), respectively. They operate from a single 2.35 V to 5.25 V power supply and feature throughput rates up to 1 MSPS. The parts contain a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 13 MHz. The conversion process and data acquisition are controlled using CS and the serial clock, allowing the devices to interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS, and the conversion is also initiated at this point. There are no pipeline delays associated with the parts.

Features
Fast throughput rate: 1 MSPS
Specified for VDD of 2.35 V to 5.25 V
Low power
3.6 mW at 1 MSPS with 3 V supplies
12.5 mW at 1 MSPS with 5 V supplies
Wide input bandwidth
71 dB SNR at 100 kHz input frequency
Flexible power/serial clock speed management
No pipeline delays
High speed serial interface
SPI/QSPI/MICROWIRE™/DSP compatible
Standby mode: 1 μA maximum
6-lead SC70 package
8-lead MSOP package
Qualified for automotive applications

Applications
Battery-powered systems
Personal digital assistants
Medical instruments
Mobile communications
Instrumentation and control systems
Data acquisition systems
High speed modems
Optical sensors