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Part Number: ADS5444
Description: The ADS5444 is a 13-bit 250 MSPS analog-to-digital converter (ADC) that operates from a 5 V supply, wh...
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ADS5444
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DataSheet
General Description
ADS5444 General Description
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.
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
ADS5444 Maximum Ratings
| VALUE / UNIT | ||
| Supply voltage | AVDD to GND | 6 V |
| DRVDD to GND |
5 V | |
| Analog input to GND | 0.3 V to AVDD+0.3 V | |
| Clock input to GND | 0.3 V to AVDD+0.3 V | |
| CLK to CLK | ±2.5 | |
| Digital data output to GND | 0.3 V to DRVDD+0.3 V | |
| Operating temperature range | 40 to 85 | |
| Maximum junction temperature | 150 | |
| Storage temperature range | 65to 150 | |
ADS5444 Features
` 13-Bit Resolution
` 250 MSPS Sample Rate
` SNR = 68.7 dBc at 100-MHz IF and 250 MSPS
` SFDR = 71 dBc at 100-MHz IF and 250 MSPS
` SNR = 67.6 dBc at 230-MHz IF and 250 MSPS
` SFDR = 78 dBc at 230-MHz IF and 250 MSPS
` 2.2 VPP Differential Input Voltage
` Fully Buffered Analog Inputs
` 5 V Analog Supply Voltage
` 3.3 V LVDS Compatible Outputs
` Total Power Dissipation: 2.1 W
` 2's Complement Output Format
` TQFP-80 PowerPAD™ Package
` Industrial Temperature Range = 40 to 85
` 250 MSPS Sample Rate
` SNR = 68.7 dBc at 100-MHz IF and 250 MSPS
` SFDR = 71 dBc at 100-MHz IF and 250 MSPS
` SNR = 67.6 dBc at 230-MHz IF and 250 MSPS
` SFDR = 78 dBc at 230-MHz IF and 250 MSPS
` 2.2 VPP Differential Input Voltage
` Fully Buffered Analog Inputs
` 5 V Analog Supply Voltage
` 3.3 V LVDS Compatible Outputs
` Total Power Dissipation: 2.1 W
` 2's Complement Output Format
` TQFP-80 PowerPAD™ Package
` Industrial Temperature Range = 40 to 85
ADS5444 Typical Application
· Test and Measurement
· Software-Defined Radio
· Multi-channel Basestation Receivers
· Basestation TX Digital Predistortion
· Communications Instrumentation
· Software-Defined Radio
· Multi-channel Basestation Receivers
· Basestation TX Digital Predistortion
· Communications Instrumentation
ADS5444 Connection Diagram
ADS5444
PDF/DataSheet Download
- Datasheet: ADS5444
- File Size: 858501 KB
- Manufacturer: TI
- Click here to Download
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