AD9245 - Analog Devices

AD9245 3V A/D Converter

The AD9245 is a monolithic, single 3 V supply, 14-bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS analog-to-digital converter (ADC) featuring a high performance sample-andhold amplifier (SHA) and voltage reference. The AD9245 uses a multistage differential pipelined architecture .

Features

Single 3 V supply operation (2.7 V to 3.6 V) SNR = 72.7 dBc to Nyquist SFDR = 83.0 dBc to Nyquist Low power 366 mW at 80 MSPS 300 mW at 65 MSPS 165 mW at 40 MSPS 90 mW at 20 MSPS Differential input with 500 MHz bandwidth On-chip reference and sample-and-hold DNL = ±0.5 LSB Flexible analog input: 1 V p-p to 2 V p-p range Offset binary or twos complement data format Clock duty-cycle stabilizer APPLICATIONS Medical imaging equipment IF sampling in communications receivers WCDMA, CDMA-One, CDMA-2000, and TDS-CDMA Battery-powered instruments Hand-held scopemeters Spectrum analyzers Power-sensitive .