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ADS5424IPJYR Arkusz danych(PDF) 1 Page - Texas Instruments |
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ADS5424IPJYR Arkusz danych(HTML) 1 Page - Texas Instruments |
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1 / 29 page  SLWS157B − JANUARY 2005 − REVISED JANUARY 2010 14 Bit, 105 MSPS Analog-to-Digital Converter ADS5424 FEATURES D 14 Bit Resolution D 105 MSPS Maximum Sample Rate D SNR = 74 dBc at 105 MSPS and 50-MHz IF D SFDR = 93 dBc at 105 MSPS and 50-MHz IF D 2.2 V pp Differential Input Range D 5 V Supply Operation D 3.3 V CMOS Compatible Outputs D 1.9 W Total Power Dissipation D 2s Complement Output Format D On-Chip Input Analog Buffer, Track and Hold, and Reference Circuit D 52 Pin HTQFP Package With Exposed Heatsink D Pin Compatible to the AD6644/45 D Industrial Temperature Range = −405C to 855C APPLICATIONS D Single and Multichannel Digital Receivers D Base Station Infrastructure D Instrumentation D Video and Imaging RELATED DEVICES D Clocking: CDC7005 D Amplifiers: OPA695, THS4509 DESCRIPTION The ADS5424 is a 14 bit 105 MSPS analog-to-digital converter (ADC) that operates from a 5 V supply, while providing 3.3 V CMOS compatible digital outputs. The ADS5424 input buffer isolates the internal switching of the on-chip Track and Hold (T&H) from disturbing the signal source. An internal reference generator is also provided to further simplify the system design. The ADS5424 has outstanding low noise and linearity, over input frequency. With only a 2.2 VPP input range, simplifies the design of multicarrier applications, where the carriers are selected on the digital domain. The ADS5424 is available in a 52 pin HTQFP with heatsink package and is pin compatible to the AD6645. The ADS5424 is built on state of the art Texas Instruments complementary bipolar process (BiCom3) and is specified over full industrial temperature range (−40 °C to 85°C). FUNCTIONAL BLOCK DIAGRAM Reference Timing CLK+ OVR D[13:0] CLK− 6 DMID DRY VREF AIN AIN TH1 5 5 Σ DAC2 ADC2 ADC3 Σ DAC1 ADC1 A3 A1 TH2 TH3 C1 C2 AVDD DRVDD GND Digital Error Correction A2 + − + − PowerPad is a trademark of Texas Instruments. All other trademarks are the property of their respective owners. www.ti.com www.ti.com Copyright 2005, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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