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LM4890MX/NOPB
+StücklisteIC AMP CLASS AB MONO 1W 8SOIC
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HerstellerTexas Instruments
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Herstellerteil #LM4890MX/NOPB
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Datenblatt LM4890MX/NOPB DataSheet
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Spezifikationen
| Attribut | Wert |
| Series | Boomer® |
| Part Status | Active |
| Base Product Number | LM4890 |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 1W x 1 @ 8Ohm |
| Voltage - Supply | 2.2V ~ 5.5V |
| Features | Depop, Shutdown, Thermal Protection |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 8-SOIC |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Packaging | Bulk, Cut Tape (CT), Tape & Reel (TR) |
Übersicht
Description
The LM4890MX/NOPB is a low-voltage audio power amplifier designed by Texas Instruments. It is primarily used to drive small speakers in portable devices, providing a practical solution for delivering audio amplification in battery-operated gadgets. The amplifier operates on a low supply voltage, making it energy-efficient and suitable for portable applications. It features a bridge-tied load (BTL) configuration, which helps in maximizing output power and efficiency while eliminating the need for output coupling capacitors, which can save space and reduce overall system cost.
Key specifications include a wide operating voltage range, low distortion, and a high signal-to-noise ratio, ensuring clear and high-quality audio output. The device also comes with features like thermal shutdown protection and click-and-pop suppression during power-up and shutdown, enhancing reliability and user experience. The LM4890MX/NOPB is available in a small surface-mount package, making it easy to incorporate into compact designs. Overall, it is an efficient and reliable solution for portable audio amplification needs.
Key specifications include a wide operating voltage range, low distortion, and a high signal-to-noise ratio, ensuring clear and high-quality audio output. The device also comes with features like thermal shutdown protection and click-and-pop suppression during power-up and shutdown, enhancing reliability and user experience. The LM4890MX/NOPB is available in a small surface-mount package, making it easy to incorporate into compact designs. Overall, it is an efficient and reliable solution for portable audio amplification needs.
Equivalent
The LM4890MX/NOPB is a mono, bridge-tied load (BTL) audio power amplifier. Equivalent products from other manufacturers may include:
1. TPA6211A1 from Texas Instruments
2. MAX9700 from Maxim Integrated
3. PAM8301 from Diodes Incorporated
4. NCS2211 from ON Semiconductor
These chips offer similar functionalities, such as driving small speakers in portable audio devices. Always check datasheets for specific performance and compatibility before substituting.
1. TPA6211A1 from Texas Instruments
2. MAX9700 from Maxim Integrated
3. PAM8301 from Diodes Incorporated
4. NCS2211 from ON Semiconductor
These chips offer similar functionalities, such as driving small speakers in portable audio devices. Always check datasheets for specific performance and compatibility before substituting.
Features
The LM4890MX/NOPB is a Boomer audio power amplifier designed for portable communication device applications. Key features include:
1. Output Power: Capable of delivering 1W continuous average power to an 8Ω load from a 5V power supply, making it suitable for a range of audio applications.
2. Low Distortion: It offers low distortion levels, ensuring clean audio output.
3. Shutdown Function: Equipped with a shutdown mode that reduces power consumption, enhancing battery life in portable devices.
4. Surface-Mount Package: Comes in a small MSOP package, optimizing board space and making it ideal for compact devices.
5. Thermal Protection: Includes thermal shutdown protection to prevent damage from overheating.
6. Unity-Gain Stable: The amplifier is stable with unity gain and can be configured for higher gain settings.
7. Wide Supply Voltage Range: Operates over a wide voltage range, providing design flexibility.
8. Minimal External Components: Requires few external components, simplifying the design process.
These features make the LM4890MX/NOPB suitable for enhancing audio in compact, battery-powered electronic devices.
1. Output Power: Capable of delivering 1W continuous average power to an 8Ω load from a 5V power supply, making it suitable for a range of audio applications.
2. Low Distortion: It offers low distortion levels, ensuring clean audio output.
3. Shutdown Function: Equipped with a shutdown mode that reduces power consumption, enhancing battery life in portable devices.
4. Surface-Mount Package: Comes in a small MSOP package, optimizing board space and making it ideal for compact devices.
5. Thermal Protection: Includes thermal shutdown protection to prevent damage from overheating.
6. Unity-Gain Stable: The amplifier is stable with unity gain and can be configured for higher gain settings.
7. Wide Supply Voltage Range: Operates over a wide voltage range, providing design flexibility.
8. Minimal External Components: Requires few external components, simplifying the design process.
These features make the LM4890MX/NOPB suitable for enhancing audio in compact, battery-powered electronic devices.
Pinout
The LM4890MX/NOPB is a Boomer audio power amplifier typically used for driving headphones or small speakers. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The key functions of each pin are as follows:
1. VDD: Power Supply. Connect to the positive supply voltage.
2. GND: Ground. Connect to the system ground.
3. IN+: Non-inverting Input. Connect to the audio input signal.
4. IN-: Inverting Input. Usually connected to ground or used for gain setting.
5. BYPASS: Bypass Capacitor Connection. Used to reduce noise and stabilize the amplifier.
6. SHUTDOWN: Shutdown Mode Control. Used to enable or disable the amplifier.
7. VO+: Positive Output. Connect to one side of the speaker or load.
8. VO-: Negative Output. Connect to the other side of the speaker or load.
This amplifier is designed for portable applications and provides efficient power output while maintaining low distortion and high fidelity.
1. VDD: Power Supply. Connect to the positive supply voltage.
2. GND: Ground. Connect to the system ground.
3. IN+: Non-inverting Input. Connect to the audio input signal.
4. IN-: Inverting Input. Usually connected to ground or used for gain setting.
5. BYPASS: Bypass Capacitor Connection. Used to reduce noise and stabilize the amplifier.
6. SHUTDOWN: Shutdown Mode Control. Used to enable or disable the amplifier.
7. VO+: Positive Output. Connect to one side of the speaker or load.
8. VO-: Negative Output. Connect to the other side of the speaker or load.
This amplifier is designed for portable applications and provides efficient power output while maintaining low distortion and high fidelity.
Manufacturer
The LM4890MX/NOPB is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company headquartered in Dallas, Texas. It is well-known for developing analog chips and embedded processors, which are integral components in a wide range of electronic devices. TI serves various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is recognized for its innovation in design and its extensive portfolio of products, which contribute to advancements in modern electronic systems.
Application
The LM4890MX/NOPB is a Boomer audio power amplifier IC designed for delivering high-quality sound in a small form factor. It is typically used in portable electronic devices due to its ability to drive speakers directly. Application areas include mobile phones, portable media players, laptops, and handheld gaming devices. Its low power consumption and minimal external component requirements make it ideal for battery-powered applications. Additionally, the IC's low distortion and high signal-to-noise ratio make it suitable for applications requiring audio clarity and fidelity.
Package
The LM4890MX/NOPB is a low-power audio power amplifier designed for driving small speakers. It is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for surface-mount applications.
