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BA3121N
The recommended replacement for 755-BA3121F-E2 is the BA3121N Audio Amplifiers
Brands: Rohm Semiconductor
Mfr.Part #: BA3121N
Datasheet: BA3121N Datasheet (PDF)
Package/Case: 8-SIP
Product Type: Audio Amplifiers
RoHS Status:
Stock Condition: 9458 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomBA3121N General Description
The BA3121N is a voltage comparator IC manufactured by Rohm Semiconductor. It is specifically designed for use in automotive and industrial applications. The IC has a supply voltage range of 2.5V to 18V and can operate in temperatures ranging from -40°C to 125°C.The BA3121N features a built-in preamplifier which allows for direct input of various sensor signals without the need for an external amplifier. It also has a high-speed response time of 0.5μs, making it suitable for applications that require quick signal processing.The IC is housed in a compact 8-pin SIP package, making it easy to integrate into existing circuit designs. It has a low power consumption of only 3mA, making it energy-efficient and suitable for battery-powered applications.
Features
Application
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Category | Audio Amplifiers | RoHS | Details |
| Series | BA3121 | Product | Audio Amplifiers |
| Mounting Style | Through Hole | Type | 2-Channel Stereo |
| THD plus Noise | 0.002 % | Supply Voltage - Max | 18 V |
| Supply Voltage - Min | 4 V | Minimum Operating Temperature | - 30 C |
| Maximum Operating Temperature | + 85 C | Brand | ROHM Semiconductor |
| CMRR - Common Mode Rejection Ratio | 57 dB | Height | 5.8 mm |
| Length | 19.3 mm | Number of Channels | 2 Channel |
| Operating Supply Current | 9 mA | Operating Supply Voltage | 12 V |
| Pd - Power Dissipation | 900 mW | Product Type | Audio Amplifiers |
| PSRR - Power Supply Rejection Ratio | 80 dB | Factory Pack Quantity | 1000 |
| Subcategory | Audio ICs |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The BA3121N chip is an integrated circuit commonly used in car audio systems for audio signal processing. It provides functions such as noise reduction, volume control, and audio mixing. With its compact size and efficient performance, it's widely adopted in automotive sound systems for enhancing audio quality.
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Equivalent
The BA3121N chip's equivalents include the BA3121FS, BA3121F, and BA3121FN. These are all voltage detection systems manufactured by Rohm Semiconductor, designed for automotive applications like car audio systems. They offer similar functionalities and performance characteristics to the BA3121N. -
Features
The BA3121N is a high-performance dual low-side driver IC with improved short-circuit protection and thermal shutdown features. It has a wide supply voltage range of 6V to 18V, current output of 1.0A per channel, and low standby current consumption. It is suitable for automotive applications. -
Pinout
The BA3121N is a dual preamplifier integrated circuit (IC) with 8 pins. Pin functions typically include power supply, input, and output connections for each preamplifier channel. It's commonly used in audio applications for amplifying weak signals before they're sent to a main amplifier stage. -
Manufacturer
The BA3121N is manufactured by Rohm Semiconductor. Rohm Semiconductor is a Japanese company specializing in the design and production of integrated circuits, semiconductors, and other electronic components. They are known for their high-quality products and innovative solutions in the semiconductor industry. -
Application Field
The BA3121N is commonly used in automotive applications for monitoring the voltage of the battery in a vehicle. It is also used in industrial applications for voltage detection and monitoring purposes. Additionally, it can be found in consumer electronics such as power banks and portable chargers for monitoring battery voltage levels. -
Package
The BA3121N chip typically comes in a DIP (Dual Inline Package) form with 8 pins.
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