
Analog Devices
GENERAL DESCRIPTION
The AD7484 is a 14-bit, high speed, low power, successive-approximation ADC. The part features a parallel interface with throughput rates up to 3Msps. The part contains a low-noise, wide bandwidth track/hold amplifier which can handle input frequencies in excess of 50MHz.
FEATURES
Fast Throughput Rate: 3Msps
Wide Input Bandwidth: 50MHz
No Pipeline Delays with SAR ADC
Excellent DC Accuracy Performance
Two Parallel Interface Modes
Low Power:
90mW (Full-Power) and 5mW (NAP Mode)
Standby Mode: 1µA max
Single +5V Supply Operation
Internal +2.5V Reference
Full-Scale Overrange Mode (using 15th bit)
System Offset Removal via User Access Offset Register
Nominal 0 to +2.5V Input with Shifted Range Capability
Pin Compatible Upgrade of 12-Bit AD7482