Analog Devices AD7484
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.| Part No. | AD7484 |
|---|---|
| Datasheet | AD7484 Download |
| Manufacturer |  Analog Devices |
| Description | 3MSPS 14-Bit SAR ADC |
| Buy | Stock & Price |
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 AD7482GENERAL DESCRIPTION
VREF3 BUF 3MSPS, 14-Bit SAR ADC AD7484 FUNCTIONAL BLOCK DIAGRAM AVDD AGND CBIAS DVDD DGND VREF1 VREF2 2.5 V REFERENCE VIN T/H 14-Bit Error Correcting SAR AD7484 MODE1 MODE2 D14 D13 D12 D11 D10 D9 D8 D7 CLIP NAP STBY RESET CONVST VDRIVE CONTROL LOGIC AND I/O REGISTERS The conversion process is a proprietary algorithmic successive-approximation technique which results in no pipeline delays. The input signal is sampled and a conversion is initiated on the falling edge of the CONVST signal. The conversion process is controlled via an internally trimmed oscillator.
