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- BA3121N - ROHM Semiconductor
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Manufacturer:ROHM Semiconductor
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ManyChip's Part#:MC120535118
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Category:Audio Amplifier IC
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RoHS:Lead free / RoHS Compliant
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Datasheet:Datasheet 3D Model
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Description:Dual Channel 18V 900mW 1.5dB Ground Isolation Audio Amplifier - SIP-8
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Stock Locations:
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Availability:680 pcs In Stock
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MOQ:1 pcs
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Unit Price:$ 0.36
Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.
Description
- The BA3121,BA3121F and BA3121N are ground isolation amplifiers developed for use in car audio applications. These ICs efficiently eliminate problems caused by wiring resistance, and remove noise generated by the electrical devices used in automobiles. The capacitance values of the external capacitors required for the ICs are small to allow compact and reliable set design.
- Features
- 1) Large capacitors not required
- 2) High common-mode rejection ratio (57dB typ. at f = 1kHz).
- 3) Low noise (VNO= 3.5µVrms Typ.).
- 4) Low distortion (THD = 0.002% Typ.).
- 5) Two channels.
BA3121N Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Through Hole |
| Case/Package | SIP-8 |
| Supply Current | 9 mA |
| Number of Channels | 2 Channel |
| Power Dissipation | 900 mW |
| Common Mode Rejection Ratio | 57 dB |
| Slew Rate | 2.00 V/μs |
| Output Power | 900 mW |
| Gain | 1.5 dB |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -30 ℃ |
| Power Dissipation (Max) | 900 mW |
| Supply Voltage | 4V ~ 18V |
| Show | |
| Size-Length | 19.3 mm |
| Size-Width | 2.8 mm |
| Size-Height | 5.8 mm |
| Operating Temperature | -30℃ ~ 85℃ (TA) |
| Product Lifecycle Status | Active |
| Packaging | Tube |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
Order guide
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PayPal. Customer is responsible for shipping fee, bank
charges, duties and taxes.
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- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
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