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Product InformationFeatures
All other trademarks are the property of their respective owners. Description
The VCA8617 is an 8-channel variable gain amplifier ideally suited to portable ultrasound applications. Excellent dynamic performance enables use in low-power, high-performance portable applications. Each channel consists of a 20dB gain Low-Noise pre-Amplifier (LNA) and a Variable Gain Amplifier (VGA). The differential outputs of the LNA can be switched through the 8×10 cross-point switch, which is programmable through the serial interface input port. The output of the LNA is fed directly into the VGA stage. The VGA consists of two parts, a Voltage-Controlled Attenuator (VCA) and a Programmable Gain Amplifier (PGA). The gain and gain range of the PGA can be digitally configured separately. The gain of the PGA can vary between four discrete settings of 25dB, 30dB, 35dB, and 40dB. The VCA has four programmable maximum attenuation settings: 29dB, 33dB, 36.5dB, and 40dB. Also, the VCA can be continuously varied by a control voltage from 0dB to a maximum of 29dB, 33dB, 36.5dB, and 40dB. |
| Price | Packaging | CAD Design Tools | Samples | ||||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| VCA8617PAGR | ACTIVE | -40 to 85 | 24.00 | 1ku | TQFP (PAG) | 64 | View | 1500 | LARGE T&R | Purchase Samples | ||
| VCA8617PAGRG4 | ACTIVE | -40 to 85 | 24.00 | 1ku | TQFP (PAG) | 64 | View | 1500 | LARGE T&R | Purchase Samples | ||
| VCA8617PAGT | ACTIVE | -40 to 85 | 24.00 | 1ku | TQFP (PAG) | 64 | View | 250 | SMALL T&R | |||
| VCA8617PAGTG4 | ACTIVE | -40 to 85 | 24.00 | 1ku | TQFP (PAG) | 64 | View | 250 | SMALL T&R | |||
* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.
| TI Inventory Status | Reported Distributor Inventory | |||||
| VCA8617PAGR | As of 8:00 AM GMT, 03 Jul 2009 | As of 8:00 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 6 Weeks | Americas | DigiKey | Available | |||
| VCA8617PAGRG4 | As of 8:00 AM GMT, 03 Jul 2009 | As of 8:00 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 6 Weeks | Americas | DigiKey | Available | |||
| VCA8617PAGT | As of 8:00 AM GMT, 03 Jul 2009 | As of 8:00 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 10 Weeks | Americas | DigiKey | 528 | |||
| Europe | Avnet-SILICA | 106 | ||||
| VCA8617PAGTG4 | As of 8:00 AM GMT, 03 Jul 2009 | As of 8:00 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 10 Weeks | Americas | DigiKey | Available | |||
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
| Product Content | DPPM / MTBF / FIT Rate | ||||
| Device | Eco Plan* | Lead / Ball Finish | MSL Rating / Peak Reflow | Details | Details |
| VCA8617PAGR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-4-260C-72 HR | View | View |
| VCA8617PAGRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-4-260C-72 HR | View | View |
| VCA8617PAGT | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-4-260C-72 HR | View | View |
| VCA8617PAGTG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-4-260C-72 HR | View | View |
* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.
If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.
Most useful technical documents for VCA8617 
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