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Description
The SA578 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 of the SA578 have 600Ω drive capability and the inverting input of the compressor amplifier is accessible through Pin 9 for summing multiple external signals. The Power Down/Mute function is active low and requires an open collector output logic configuration at Pin 8. 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
• Multiple external summing capability
• 600Ω drive capabilityApplication Scenarios
• High performance portable communications
• Cellular radio
• Cordless telephone
• Consumer audio
• Wireless microphones
• Modems
• Electric organs
• Hearing aids
• Automatic level control (ALC)Comparison
The SA578 is a versatile and efficient electronic component that offers several advantages. These advantages include a wide operating voltage range, low power consumption, programmable 0dB level, and over 90dB of dynamic range. It also has a low external component count, making it easy to integrate into various applications. Additionally, the SA578 is ESD hardened and has multiple external summing capability and 600Ω drive capability. However, it should be noted that the SA578 requires an open collector output logic configuration for the Power Down/Mute function, and the supply current drops to 170mA at 3.6V when muted.
Advantages- Wide operating voltage range
- Low power consumption
- Programmable 0dB level
- Over 90dB of dynamic range
- Low external component count
- ESD hardened
- Multiple external summing capability
- 600Ω drive capability
Disadvantages- Power Down/Mute function requires open collector output logic configuration
- Supply current drops to 170mA at 3.6V when muted
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
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Popular parts of the same kind
- Datasheet: Download SA57814DD
- Chipdatas Part: CD86-SA57814DD
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/26 10:03 +0800
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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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