PGA2500 Status: ACTIVE

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


      
         
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 PGA2500
Equivalent Input Noise (EIN) withGain = 30dB(dB)-128  
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

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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

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
PGA2500IDBACTIVE-40 to 858.75 | 1kuSSOP (DB) | 28 View 50 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
PGA2500IDBG4ACTIVE-40 to 858.75 | 1kuSSOP (DB) | 28 View 50 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
PGA2500IDBRACTIVE-40 to 857.95 | 1kuSSOP (DB) | 28 View 1000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
PGA2500IDBRG4ACTIVE-40 to 857.95 | 1kuSSOP (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

Reported Distributor Inventory as of 11:33 AM GMT, 06 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 20 WeeksPGA2500IDB
AsiaWPI 243
EuropeAbacus Polar 31
TI Lead Time*: 20 WeeksPGA2500IDBG4
AsiaFarnell Asia 75
TI Lead Time*: 20 WeeksPGA2500IDBR
None Reported
View Distributors
TI Lead Time*: 20 WeeksPGA2500IDBRG4
None Reported
View Distributors
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** 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

Most useful technical documents for PGA2500 Help

Datasheet

Application Notes

User Guides

Tools & Software

NamePart # Company Tool / Software Type
PGA2500 Evaluation ModulePGA2500EVMTexas InstrumentsDevelopment Boards/EVMs
Quick Search Selection Tool for AudioAUDIO_SELECTION_TOOLTexas InstrumentsFree Evaluation Tools

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