BU6939FV-E2 vs SA575DR2G
| Part Number |
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| Category | Audio Special Purpose ICs | Audio Special Purpose ICs |
| Manufacturer | Rohm Semiconductor | ON Semiconductor |
| Description | IC VOICE PROCESSOR 28SSOPB | IC COMPANDOR 20SOIC |
| Package | Tape & Reel (TR) | -Reel® |
| Series | LSI | - |
| Interface | SPI | Analog |
| Voltage - Supply | 2.7V ~ 3.6V | 3V ~ 7V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 28-LSSOP (0.220\", 5.60mm Width) | 20-SOIC (0.295\", 7.50mm Width) |
| Supplier Device Package | 28-SSOP-B | 20-SOIC |
| Function | Voice Processing Unit (VPU) | Compandor |
| Applications | Communication Systems | Consumer Audio, Telecommunication Systems |
| Number of Channels | 1 | 2 |
| Specifications | 16kbps | - |




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1. What does an audio IC do?
The main function of an audio IC is to amplify the input weak audio signal to drive speakers or other audio devices to produce clear and powerful sound.
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2. What are the applications of digital ICs?
Digital ICs are widely used in many fields, including computer systems, communications, consumer electronics, automotive electronics, industrial control, medical equipment, aerospace, military, smart homes, and the Internet of Things.
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3. What happens if the audio IC is broken?
The symptom of a broken audio IC is that the speaker has no sound, that is, no prompt sound or music can be heard. The audio power amplifier IC is the most basic device in the audio system. Its task is to amplify the weak electrical signal from the signal source to drive the speaker to make sound.
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4. Which IC is best for amplifier?
IC The most suitable ICs for amplifiers include LM35, LM348, OP07 and ICL7650. These chips are capable of building powerful modules for various applications due to their high-quality current conversion performance and excellent amplification, combined with careful design.

