Overview
The TDA1308T/N1,112 is a Class-AB stereo headphone driver integrated circuit produced by NXP USA Inc. This device is designed primarily for portable digital audio applications and is fabricated in a 1 μm Complementary Metal Oxide Semiconductor (CMOS) process. It is available in SO8 and TSSOP8 plastic packages, making it suitable for a variety of compact audio systems.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VDD supply voltage (single supply) | - | 3.0 | 5.0 | 7.0 | V |
| VDD supply voltage (dual supply) | - | 1.5 | 2.5 | 3.5 | V |
| VSS negative supply voltage (dual supply) | - | -1.5 | -2.5 | -3.5 | V |
| IDD supply current (no load) | - | - | 3 | 5 | mA |
| Ptot total power dissipation (no load) | - | - | 15 | 25 | mW |
| P | RL = 32 Ω | - | - | 80 | mW |
| THD+N total harmonic distortion-plus-noise | RL = 32 Ω, Vo(p-p) = 3.5 V | 0.03 | 0.06 | - | % |
| S/N signal-to-noise ratio | RL = 5 kΩ | 100 | 110 | - | dB |
| Tamb ambient temperature | - | -40 | - | 85 | °C |
Key Features
- Wide temperature range: Operates from -40°C to 85°C.
- No switch ON/OFF clicks: Ensures smooth operation without audible clicks.
- Excellent power supply ripple rejection: Minimizes noise from the power supply.
- Low power consumption: Efficient operation with low current draw.
- Short-circuit resistant: Protects against short-circuit conditions.
- High performance: High signal-to-noise ratio, high slew rate, and low distortion.
- Large output voltage swing: Supports high-quality audio output.
Applications
The TDA1308T/N1,112 is primarily designed for portable digital audio applications, including:
- Portable audio players and MP3 players.
- Smartphones and mobile devices.
- Headphones and earbuds.
- Other compact audio systems requiring high-quality stereo sound.
Q & A
- What is the TDA1308T/N1,112 used for?
The TDA1308T/N1,112 is a Class-AB stereo headphone driver used in portable digital audio applications.
- What are the package options for the TDA1308T/N1,112?
The device is available in SO8 and TSSOP8 plastic packages.
- What is the operating temperature range of the TDA1308T/N1,112?
The device operates from -40°C to 85°C.
- What is the maximum output power of the TDA1308T/N1,112?
The maximum output power is 80 mW per channel at 32 Ω load with THD+N < 0.1%.
- Does the TDA1308T/N1,112 have short-circuit protection?
Yes, the device is short-circuit resistant.
- What is the signal-to-noise ratio of the TDA1308T/N1,112?
The signal-to-noise ratio is typically 100 to 110 dB.
- Is the TDA1308T/N1,112 RoHS compliant?
No, the TDA1308T/N1,112 is not RoHS compliant as indicated by its status as no longer manufactured.
- What is the supply current of the TDA1308T/N1,112?
The supply current is typically 3 to 5 mA with no load.
- What are the key benefits of using the TDA1308T/N1,112?
The key benefits include no switch ON/OFF clicks, excellent power supply ripple rejection, low power consumption, and high performance with high signal-to-noise ratio and low distortion.
- Is the TDA1308T/N1,112 still in production?
No, the TDA1308T/N1,112 is no longer manufactured.
