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VCA8617 Status: ACTIVE

8-Channel Variable Gain Amplifier


      
         
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Functional Block Diagram


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 VCA8617
Slew Rate(Typ)(V/us)300  
GBW(Typ)(MHz)100  
Vs(Min)(V)2.85  
Vs(Max)(V)3.15  
Number of Channels8  
Pin/Package64TQFP  
BW @ Acl(MHz)14.5  
Available ChannelsO  
Gain Range(dB)25,30,35,40  
Approx. Price (US$) 24.00 | 1ku  
2nd Harmonic(dBc)60  
3rd Harmonic(dBc)65  
Operating Temp Range(Celsius)-40 to 85  
 Samples
 Inventory

Customers Who Evaluated This Product Also Evaluated

  • VCA8613: VCA8613: 8-Channel Variable Gain Amplifier
  • VCA8500: 8-Channel, Ultra-Low Power Variable Gain Amplifier With Low-Noise Pre-Amp
  • THS7530: Fully Differential, Continuously Variable Gain Amplifier
  • XTR105: 4-20mA Current Transmitter with Sensor Excitation and Linearization
  • TFP410: PanelBus DVI Transmitter 165MHz
  • TPS5430: 5.5V to 36V, 3A, 500kHz Step Down SWIFT™ Converter

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Product Information

Features

  • 3V OPERATION
  • LOW INPUT NOISE:
    • 1.05nV/√Hz at fIN = 5MHz
  • EXTREMELY LOW POWER OPERATION:
    • 103mW/CHANNEL
  • INTEGRATED LOW-PASS, ANTI-ALIASING BUTTERWORTH FILTER
    • 14.5MHz BANDWIDTH
  • INTEGRATED INPUT CLAMP DIODES
  • DIFFERENTIAL OUTPUT
  • INTEGRATED INPUT LNA
  • READABLE CONTROL REGISTERS
  • INTEGRATED CONTINUOUS WAVE (CW) PROCESSOR

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 8x10 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.

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Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
VCA8617PAGRACTIVE-40 to 8524.00 | 1kuTQFP (PAG) | 64 View 1500 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
VCA8617PAGRG4ACTIVE-40 to 8524.00 | 1kuTQFP (PAG) | 64 View 1500 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
VCA8617PAGTACTIVE-40 to 8524.00 | 1kuTQFP (PAG) | 64 View 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
VCA8617PAGTG4ACTIVE-40 to 8524.00 | 1kuTQFP (PAG) | 64 View 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this Footprint

* 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.

Inventory

Reported Distributor Inventory as of 9:47 AM GMT, 20 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 20 WeeksVCA8617PAGR
WorldwideDigiKey  Available
TI Lead Time*: 20 WeeksVCA8617PAGRG4
WorldwideDigiKey  Available
TI Lead Time*: 20 WeeksVCA8617PAGT
AmericasRochester Electronics >1k
AsiaWPI 168
EuropeAvnet-SILICA 106
WorldwideDigiKey 167
TI Lead Time*: 20 WeeksVCA8617PAGTG4
WorldwideDigiKey  Available
View all Distributors  

** 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.

Quality & Lead (Pb)-Free Data

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
VCA8617PAGR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-4-260C-72 HRViewView
VCA8617PAGRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-4-260C-72 HRViewView
VCA8617PAGT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-4-260C-72 HRViewView
VCA8617PAGTG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-4-260C-72 HRViewView

* 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.

Technical Documents

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Datasheet

Application Notes

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