Congratulations On Your Successful Submission
Submission Failure
LM1877N-9
The LM1877N-9 is a compact and reliable audio amplifier suitable for a range of applications
LM1877N-9
The LM1877N-9 is a compact and reliable audio amplifier suitable for a range of applications
-
Manufacturer Part # : LM1877N-9
-
Package/Case: DIP-14
-
Part Status : Discontinued
-
Brand: Texas Instruments
-
Product Categories : Audio Amplifiers
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
WireTransfer
Paypal
CreditCard
WesternUnion
MoneyGram
Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
Example
Tape and Reel
Cut Tape
Tube or Tray
LM1877N-9 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
Operating in Class AB mode, this amplifier offers the efficiency of Class B amplifiers combined with the low distortion of Class A amplifiers. Its compact 9-pin package makes it easy to integrate into a wide range of electronic devices, and it requires minimal external components for operation, adding to its convenience and versatility
Key Features
- Up to 30W output powerAvo typically 90 dBLow distortion: 0.015%,1kHz,20WWide power bandwidth: 70kHzProtection for AC and DC short circuits to groundThermal protection with parole circuitHigh current capability: 4AWide supply range 16V-60VInternal output protection diodes94 dB ripple rejection
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category ! | Audio Amplifiers | Product | Audio Amplifiers |
| Class | Class-AB | Output Power ! | 1.3 W |
| Package / Case | MDIP | Audio - Load Impedance | 8 Ohms |
| THD plus Noise | 0.055 % | Supply Voltage - Max | 24 V |
| Supply Voltage - Min | 6 V | Minimum Operating Temperature | 0 C |
| Maximum Operating Temperature ! | + 70 C | Brand | Texas Instruments |
| Description/Function | Speaker | Height | 3.3 mm |
| Ib - Input Bias Current | 50 nA | Input Type | Single |
| Length | 19.05 mm | Operating Supply Current | 25 mA |
| Operating Supply Voltage ! | 9 V, 12 V, 15 V, 18 V | Output Signal Type | Single |
| Output Type | 2-Channel Stereo | Product Type ! | Audio Amplifiers |
| PSRR - Power Supply Rejection Ratio | 65 dB | Subcategory | Audio ICs |
| Supply Current - Max | 50 mA | Supply Type | Single |
| Vos - Input Offset Voltage | 15 mV | Width | 6.35 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM1877N-9?
The LM1877N-9 is a dual audio power amplifier integrated circuit designed by Texas Instruments. It is specifically designed for audio amplifier applications, providing two independent amplifiers in a single package for stereo sound systems, TVs, and other audio equipment.
How Does LM1877N-9 Work?
The LM1877N-9 functions as a dual audio power amplifier, amplifying audio signals with high fidelity and efficiency. It features built-in thermal shutdown and short-circuit protection circuits to ensure reliable operation under various conditions. The amplifier is capable of driving low impedance loads, making it suitable for powering speakers directly.
How Many Pins does LM1877N-9 have and What are the Functions of the Pinout Configuration?
The LM1877N-9 is housed in a 14-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VS: Supply voltage pin.
- GND: Ground pin.
- IN+ and IN-: Non-inverting and inverting input pins for each amplifier.
- OUT A and OUT B: Output pins for each amplifier.
- BS: Bootstrap pin for each amplifier.
- Vs: Standby voltage pin.
What are the Pros and Cons of LM1877N-9?
Pros:
- Dual Amplifiers: Contains two independent amplifiers in a single package for stereo applications.
- Thermal Shutdown Protection: Includes built-in protection against overheating.
- Short-Circuit Protection: Offers protection against short circuits to prevent damage.
- Low Impedance Drive Capability: Capable of driving low impedance loads to directly power speakers.
- Wide Supply Voltage Range: Operates over a wide range of supply voltages for flexibility in different systems.
Cons:
- Limited Output Power: May have limited output power compared to higher wattage amplifiers.
- External Components Required: Some applications may require additional external components for optimal performance.
Are There Any Equivalents/Alternatives to LM1877N-9 for Recommendation?
- The TDA7265 from STMicroelectronics is a dual audio power amplifier that can be considered an alternative to the LM1877N-9.
- Alternatives to the LM1877N-9 include the TDA2030 from STMicroelectronics and the LM386 from Texas Instruments.
Recommend Parts
-
![LM733CN]()
The LM733CN is a high-quality video amplifier IC in a DIP-14 package
Brand: Texas Instruments Package/Case: DIP14
6,690 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
![LM307H]()
The LM307H is equipped with 8 pins and comes in a TO-5 package
Brand: Analog Devices Package/Case: TO-5-8
7,004 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
![LM386MX-1]()
Pin Plastic SOP Audio Amplifier Circuit, Single
Brand: Texas Instruments Package/Case: SOIC-8
3,172 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
![LME49710MA]()
Operational Amplifier IC LME49710MA with 700uV maximum offset voltage and 55MHz bandwidth in PDSO8 package
Brand: Texas Instruments Package/Case: SOIC-8
7,938 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
![LME49722MA]()
Ideal for audio applications due to minimal distortion
Brand: Texas Instruments Package/Case: SOIC-8
5,422 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
![LM4838MTE]()
838MTE is a 2-channel audio control circuit packaged in PDSO28 and TSSOP-28 format
Brand: Texas Instruments Package/Case: TSSOP EP
3,090 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
![LM4702CTA]()
3,798 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
![LM4700TF]()
Audio Amplifier Circuit with 11 Pins in Plastic ZIP Package
Brand: Texas Instruments Package/Case: TO-220
7,131 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
