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Description
The SA57821B03 is a unity gain level programmable compandor designed for low power applications. It is internally configured as an expandor and a compressor to minimize external component count. The summing amplifiers have 600Ω drive capability, and the inverting input of the compressor amplifier is accessible for summing multiple external signals. The SA57821B03 also features a Power Down/Mute function that is active low and requires an open collector output logic configuration. When the part is muted, the supply current drops to 170mA at 3.6V.
Specifications and Features
- Operating voltage range: 1.8V to 7V
- Low power consumption (1.4mA @ 3.6V)
- 0dB level programmable (10mVRMS to 1.0VRMS)
- Over 90dB of dynamic range
- Wide input/output swing capability
- Low external component count
- ESD hardened
- Mute function
- Multiple external summing capability
- 600Ω drive capability
Application Scenarios
- High performance portable communications
- Cellular radio
- Cordless telephone
- Consumer audio
- Wireless microphones
- Modems
- Electric organs
- Hearing aids
- Automatic level control (ALC)
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
- - Automatic Email notification (above 5 times)
- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
- - Automatic Email notification (above 5 times)
- - View in your order page
How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
- - Paypal,Credit Card includes Visa, Master, American Express.
- - Wire transfer, include Local bank transfer.
- - Western Union.
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Additional Information
- Datasheet: Download SA57821B03
- Chipdatas Part: CD94-SA57821B03
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 00:08 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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Payment Method
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The fee is charged according to the rule of PayPal.
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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