
Analog Devices
GENERAL DESCRIPTION
The AD7492 and AD7492-5 are 12-bit high-speed, low power, successive-approximation ADCs. The parts operate from a single 2.7 V to 5.25 V power supply and feature throughput rates up to 1.25 MSPS. They contain a low-noise, wide bandwidth track/hold amplifier that can handle bandwidths up to 10 MHz.
FEATURES
Specified for VDD of 2.7 V to 5.25 V
Throughput Rate of 1 MSPS—AD7492
Throughput Rate of 1.25 MSPS—AD7492-5
Low Power
4 mW Typ at 1 MSPS with 3 V Supplies
11 mW Typ at 1 MSPS with 5 V Supplies
Wide Input Bandwidth
70 dB Typ SNR at 100 kHz Input Frequency
2.5 V Internal Reference
On-Chip CLK Oscillator
Flexible Power/Throughput Rate Management
No Pipeline Delays
High-Speed Parallel Interface
Sleep Mode: 50 nA Typ
24-Lead SOIC and TSSOP Packages