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TS4990IDT
+Lista de MateriaisIC AMP CLASS AB MONO 1.2W 8SO
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FabricanteSTMicroeletrônica
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Peça do Fabricante #TS4990IDT
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Ficha Técnica TS4990IDT DataSheet
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Pacote SO-8
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Em Estoque2151
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Powerx Channels @ Load | 1.2W x 1 @ 8Ohm |
| Voltage - Supply | 2.2V ~ 5.5V |
| Features | Depop, Differential Inputs, Standby, Thermal Protection |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 8-SOIC |
Visão Geral
Description
The TS4990IDT offers low distortion and high-quality sound output, with a power output capability of up to 1.2W into an 8-ohm load at 5V. It features thermal and short-circuit protection, ensuring reliable performance and durability in various operating conditions. The amplifier also has a differential input configuration, which helps minimize noise and improve signal integrity.
Its compact package and design make it easy to integrate into small form factor devices such as smartphones, tablets, and portable media players. Overall, the TS4990IDT combines efficiency, sound quality, and protection features, making it a versatile choice for audio amplification needs in compact consumer electronic applications.
Equivalent
1. LM4880 from Texas Instruments
2. TDA1308 from NXP Semiconductors
3. PAM8403 from Diodes Incorporated
4. MAX9700 from Maxim Integrated
5. NJM2073 from New Japan Radio
These alternatives offer similar functionalities, such as low power consumption and suitable audio amplification capabilities. Always verify the datasheets for specific performance and pin compatibility.
Features
1. Output Power: It delivers an output power of up to 1.2W at 5V supply voltage into an 8-ohm load.
2. Low Distortion: The amplifier is designed to provide low total harmonic distortion (THD) and low noise, ensuring high-quality audio performance.
3. Wide Supply Range: Operates over a wide supply voltage range from 2.2V to 5.5V, making it suitable for battery-powered devices.
4. Thermal and Short-Circuit Protection: Equipped with built-in thermal shutdown and short-circuit protection to prevent damage due to overheating or output faults.
5. Shutdown Function: Incorporates a standby mode with very low current consumption to save power when the device is not in active use.
6. Rail-to-Rail Outputs: Features rail-to-rail output capability to maximize the output dynamic range.
7. Compact Package: Typically available in a space-saving SO-8 package, ideal for compact designs.
These features make the TS4990IDT suitable for portable audio applications such as smartphones, tablets, and other personal audio devices.
Pinout
1. Pin 1 (IN+): Non-inverting input.
2. Pin 2 (IN-): Inverting input.
3. Pin 3 (SVR): Supply voltage rejection ratio; used for decoupling.
4. Pin 4 (VCC): Positive power supply.
5. Pin 5 (SHDN): Shutdown mode; active high to disable the amplifier.
6. Pin 6 (VO+): Positive output.
7. Pin 7 (VO-): Negative output.
8. Pin 8 (GND): Ground.
The TS4990IDT is designed for driving a bridge-tied load (BTL) and can deliver up to 1.2W of continuous output power into an 8Ω load. It is commonly used in portable audio devices due to its low distortion and minimal external components requirement.