EE Product News

14-Bit ADC Dissipates Less Than 500 mW

Wireless infrastructure equipment manufacturers are targeted as the potential users of the AD9245, reportedly the industry's first 3V, 14-bit, 80 Msamples/s a/d converter with a power dissipation of just 450 mW. Housed in a chip-scale package (CSP) and employing a multi-stage differential pipelined architecture with output error-correction logic, the device guarantees no missing code over the its full operating temperature range of -40°C to 85°C. It also boasts of a SNR of 72 dBc (to Nyquist), a SFDR of 85 dBc, and a DNL of ±0.5 LSB. Other features of include an on-chip reference and SHA, a differential input with 500 MHz of bandwidth, and a flexible, 1 Vp-p to 2 Vp-p analog input. In addition, the AD9245 supports input frequencies as high as 100 MHz, while a clock duty-cycle stabilizer allows the device to maintain performance over a wide range of clock pulse widths. In a 32-pin CSP, the IC costs $38 each/1,000. For more details, contact ANALOG DEVICES INC., Wilmington, MA. (800) 262-5643.


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