W681513

Features: • Single +5V power supply• Typical power dissipation of 30 mW, power-down mode of 0.5 W• Fully-differential analog circuit design• On-chip precision reference of 1.575 V for a 0 dBm TLP at 600 • Push-pull power amplifiers with external gain adjustment with 3...

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SeekIC No. : 004544914 Detail

W681513: Features: • Single +5V power supply• Typical power dissipation of 30 mW, power-down mode of 0.5 W• Fully-differential analog circuit design• On-chip precision reference of 1....

floor Price/Ceiling Price

Part Number:
W681513
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/28

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Product Details

Description



Features:

• Single +5V power supply
• Typical power dissipation of 30 mW, power-down mode of 0.5 W
• Fully-differential analog circuit design
• On-chip precision reference of 1.575 V for a 0 dBm TLP at 600
• Push-pull power amplifiers with external gain adjustment with 300 load capability
• Master clock rate supports 2.000MHz clock for USB applications
• Pin-selectable -Law and A-Law companding (compliant with ITU G.711)
• CODEC A/D and D/A filtering compliant with ITU G.712
• Industrial temperature range (40°C to +85°C)
• Package: 20-pin SOP (SOG)



Application

• Soft phones running on a PC (VoInternet): o USB Phones o USB to PSTN Gateway
• USB Microphones
• USB Headset for PC and Game Consules



Pinout

  Connection Diagram


Specifications

Condition

Value

Junction temperature 1500C
Storage temperature range -650C to +1500C
Voltage Applied to any pin (VSS - 0.3V) to (VDD + 0.3V)
Voltage applied to any pin (Input current
limited to +/-20 mA)
(VSS 1.0V) to (VDD + 1.0V)
Lead temperature (soldering 10 seconds) 3000C
VDD - VSS -0.5V to +6V



Description

The W681513 is a single channel PCM CODEC with pin-selectable -Law or A-Law companding dedicated to the USB accessory market by supporting a derivative 2MHz clock. The device is compliant with the ITU G.712 specification. It operates off of a single +5V power supply and is available in 20-pin SOP package option. Functions performed include digitization and reconstruction of voice signals, and band limiting and smoothing filters required for PCM systems. The filters are compliant with ITU G.712 specification. W681513 performance is specified over the industrial temperature range of 40°C to +85 C.

The W681513 includes an on-chip precision voltage reference and an additional power amplifier, capable of driving 300 loads differentially up to a level of 6.3V peak-to-peak. The analog section is fully differential, reducing noise and improving the power supply rejection ratio. The data transfer protocol supports both long-frame and short-frame synchronous communications for PCM applications, and IDL and GCI communications for ISDN applications. W681513 accepts 2MHz master clock rate, and an on-chip pre-scaler automatically determines the division ratio for the required internal clock.




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