AD9609

Data Sheet 10-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter AD9609 FEATURES 1.8 V analog supply operation 1.8 V to 3.3 V output supply SNR 61.5 dBFS at 9.7 MHz input 61.0 dBFS at 200 MHz input SFDR 75 dBc at 9.7 MHz input 73 dBc at 200 MHz input Low power 45 mW at 20 MSPS 76 mW at 80 MSPS Differential input with 700 MHz bandwidth On-chip voltage reference and sample-and-hold circuit 2 V p-p differential analog input DNL = ±0.10 LSB Serial port control options Offset binary, gray code, or twos complement data format Optional clock duty cycle stabilizer Integer 1-to-8 input clock divider Built-in selectable digital test pattern generation Energy-saving power-down modes Data clock out with programmable clock and data alignment APPLICATIONS Communications Diversity radio systems Multimode digital receivers GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA Smart antenna systems Battery-powered instruments Handheld scope meters Portable medical imaging Ultrasound Radar/LIDAR PET/SPECT imaging FUNCTIONAL BLOCK DIAGRAM AVDD GND SDIO SCLK CSB DRVDD RBIAS VCM VIN+ VIN– VREF SENSE SPI PROGRAMMING DATA ADC CORE REF SELECT DIVIDE BY 1 TO 8 DCS AD9609 MODE CONTROLS CMOS OUTPUT BUFFER OR D9 (MSB) D0 (LSB) DCO 08541-001 CLK+ CLK– PDWN DFS MODE Figure 1. PRODUCT HIGHLIGHTS 1. The AD9609 operates from a single 1.8 V analog power supply and features a separate digital output driver supply to accommodate 1.8 V to 3.3 V logic families. 2. The sample-a...