PGA2500 Status:ACTIVE

Gain Range: 0dB, and 10dB to 65dB in 1dB steps

      
         
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Datasheet

Download - PDF Icon
  • PGA2500: Digitally Controlled Microphone Preamplifier (Rev. A) (pga2500.pdf, 382 KB)
    04 Dec 2003 Download

 PGA2500
Equivalent Input Noise (EIN) withGain = 30dB(dB)-128dBu  
Gain Range(dB)0dB, and 10dB to 65dB in 1dB steps  
Input TypeBipolar  
Output Offset (+/-)(Max)(uV)40  
Quiescent Current (+/-)(Typ)(mA)30  
THD+N with Gain = 30dB(percent)0.0004  
Operating Temp Range(Celsius)-40 to 85  
Pin/Package28SSOP  
 Samples
 Inventory

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Product Information

Features

  • Fully Differential Input-to-Output Architecture
  • Digitally Controlled Gain Using Serial Port Interface:
    • Gain Range: 10dB through 65dB, 1dB per step
    • Unity (0dB) Gain Setting via Serial Port or Dedicated Control Pin
  • Dynamic Performance:
    • Equivalent Noise with ZS = 150 and Gain = 30dB: –128dBu
    • Total Harmonic Distortion plus Noise (THD+N) with Gain = 30dB: 0.0004%
  • Zero Crossing Detection Minimizes Audible Artifacts when Gain Switching
  • Integrated DC Servo Minimizes Output Offset Voltage
  • Common-Mode Servo Improves CMRR
  • Four-Wire Serial Control Port Interface:
    • Simple Interface to Microprocessor or DSP Serial Ports
    • Supports Daisy-Chaining of Multiple PGA2500 Devices
  • Dedicated Input Pin for Selecting Unity Gain
  • Overload Output Pin Provides Clipping Indication
  • Four General-Purpose Digital Output Pins
  • Requires ±5V Power Supplies
  • Available in an SSOP-28 Package
  • APPLICATIONS
    • Microphone Preamplifiers and Mixers
    • Digital Mixers and Recorders

All trademarks are the property of their respective owners.

Description

The PGA2500 is a digitally controlled, analog microphone preamplifier designed for use as a front end for highperformance audio analog-to-digital (A/D) converters. The PGA2500 features include low noise, wide dynamic range, and a differential signal path. An on-chip DC servo loop is employed to minimize DC offset, while a common-mode servo function may be used to enhance common-mode rejection.

The PGA2500 features a gain range of 10dB through 65dB (1dB/step), along with a unity gain setting. The wide gain range allows the PGA2500 to be used with a variety of microphones. Gain settings and internal functions are programmed using a 16-bit control word, which is loaded using a simple serial port interface. A serial data output pin provides support for daisy-chained connection of multiple PGA2500 devices. Four programmable digital outputs are provided for controlling the external switching of input pads, phantom power, high pass filters, and polarity reversal functions. The PGA2500 requires both +5V and –5V power supplies and is available in a small SSOP-28 package.

    

Pricing / Packaging / CAD Design Tools / Samples

Price ($US)PackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price ($US) | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
PGA2500IDBACTIVE-40 to 8513.35 | 100uSSOP (DB) | 28 View 50 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
PGA2500IDBG4ACTIVE-40 to 8513.35 | 100uSSOP (DB) | 28 View 50 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
PGA2500IDBRACTIVE-40 to 8513.35 | 100uSSOP (DB) | 28 View 1000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
PGA2500IDBRG4ACTIVE-40 to 8513.35 | 100uSSOP (DB) | 28 View 1000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples

* 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

  TI Inventory Status Reported Distributor Inventory
PGA2500IDBAs of 8:41 AM GMT, 07 Sep 2008As of 8:41 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 15 Dec 16 Weeks AmericasAvnet >1k
  Newark 150
PGA2500IDBG4As of 8:41 AM GMT, 07 Sep 2008As of 8:41 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 15 Dec 16 Weeks EuropeFarnell 45
PGA2500IDBRAs of 8:41 AM GMT, 07 Sep 2008As of 8:41 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 15 Dec 16 Weeks None Reported
View Distributors
   
PGA2500IDBRG4As of 8:41 AM GMT, 07 Sep 2008As of 8:41 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 15 Dec 16 Weeks None Reported
View Distributors
   
View all Distributors  

* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.

** 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
PGA2500IDB RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
PGA2500IDBG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
PGA2500IDBR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
PGA2500IDBRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView

* 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

Datasheets

  • PGA2500: Digitally Controlled Microphone Preamplifier (Rev. A) (pga2500.pdf, 382 KB)
    04 Dec 2003 Download

Application Notes

  • Shelf-Life Evaluation of Lead-Free Component Finishes (szza046.htm, 8 KB)
    24 May 2004 Abstract
  • Thermal and Electrical Properties of Selected Packaging Materials (sbfa010.htm, 8 KB)
    04 Oct 2000 Abstract

User Guides

  • PGA2500EVM Evaluation Module User's Guide (sbou023.pdf, 261 KB)
    05 Dec 2003 Download

Tools & Software

NamePart # Company Tool / Software Type
PGA2500 Evaluation ModulePGA2500EVMTexas InstrumentsDevelopment Boards/EVMs

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