The ADS5444 is a 13-bit 250 MSPS analog-to-digital converter (ADC) that operates from a 5 V supply, while providing LVDS-compatible digital outputs from a 3.3 V supply. The ADS5444 input buffer isolates the internal switching of the onboard track and hold (T&H) from disturbing the signal source. An internal reference generator is also provided to further simplify the system design. The ADS5444 has outstanding low noise and linearity over input frequency.
The ADS5444 is available in an 80-pin TQFP PowerPAD™ package. The ADS5444 is built on a state of the art Texas Instruments complementary bipolar process (BiCom3X) and is specified over the full industrial temperature range (-40°C to 85°C).
特性 13-Bit Resolution 250 MSPS Sample Rate SNR = 69 dBc at 100-MHz IF and 250 MSPS SFDR = 76 dBc at 100-MHz IF and 250 MSPS SNR = 67.7 dBc at 230-MHz IF and 250 MSPS SFDR = 77 dBc at 230-MHz IF and 250 MSPS 2.2 VPPDifferential Input Voltage Fully Buffered Analog Inputs 5 V Analog Supply Voltage LVDS Compatible Outputs Total Power Dissipation: 2 W Offset Binary Output Format TQFP-80 PowerPAD™ Package Pin Compatible with the ADS5440 Industrial Temperature Range = -40°C to 85°C APPLICATIONS Test and Measurement Software-Defined Radio Multi-channel Basestation Receivers Basestation Tx Digital Predistortion Communications Instrumentation RELATED PRODUCTS ADS5424 - 14-bit, 105 MSPS ADC ADS5423 - 14-bit, 80 MSPS ADC ADS5440 - 13-bit, 210 MSPS ADC
