Overview
The TS4990IDT, produced by STMicroelectronics, is a highly efficient audio power amplifier designed for demanding audio applications. It is particularly suited for use in mobile phones and other portable devices where minimizing the number of external components is crucial. The amplifier is capable of delivering 1.2 W of continuous RMS output power into an 8 Ω load at 5 V, making it a robust solution for audio amplification needs.
Key Specifications
| Parameter | Value |
|---|---|
| Output Power | 1.2 W at VCC = 5 V, THD = 1%, F = 1 kHz, with 8 Ω load |
| Operating Voltage Range | VCC = 2.2 V to 5.5 V |
| Standby Current | < 10 nA |
| PSRR at 217 Hz in Grounded Mode | 62 dB |
| Distortion | 0.1% |
| Gain Stability | Unity gain stable |
| Package Options | SO-8, QFN-8L P 0.5 mm, MiniSO-8 |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Externally controlled standby mode reducing supply current to less than 10 nA
- Internal thermal shutdown protection for enhanced reliability
- Ultra-low distortion (0.1%) and near-zero pop and click
- Unity gain stable, configurable by external gain setting resistors
- Available in 9-bump flip-chip, miniSO-8, and DFN8 packages
- High PSRR of 62 dB at 217 Hz in grounded mode
Applications
The TS4990IDT is designed for demanding audio applications, particularly in:
- Mobile phones
- Portable audio devices
- Other compact electronic devices requiring efficient audio amplification
Q & A
- What is the maximum output power of the TS4990IDT?
The TS4990IDT can deliver up to 1.2 W of continuous RMS output power into an 8 Ω load at 5 V.
- What is the operating voltage range of the TS4990IDT?
The operating voltage range is from 2.2 V to 5.5 V.
- How much current does the TS4990IDT consume in standby mode?
The standby current is less than 10 nA.
- What is the PSRR of the TS4990IDT at 217 Hz in grounded mode?
The PSRR is 62 dB at 217 Hz in grounded mode.
- Is the TS4990IDT unity gain stable?
Yes, the TS4990IDT is unity gain stable and can be configured by external gain setting resistors).
- What are the available package options for the TS4990IDT?
The TS4990IDT is available in SO-8, QFN-8L P 0.5 mm, and MiniSO-8 packages).
- What is the operating temperature range of the TS4990IDT?
The operating temperature range is from -40°C to 85°C).
- Does the TS4990IDT have internal thermal shutdown protection?
Yes, the TS4990IDT includes internal thermal shutdown protection for enhanced reliability).
- What are some common applications for the TS4990IDT?
The TS4990IDT is commonly used in mobile phones, portable audio devices, and other compact electronic devices requiring efficient audio amplification).
- Is the TS4990IDT RoHS compliant?
Yes, the TS4990IDT is RoHS compliant with an Ecopack3 grade).
