TI LM49200TLX/NOPB
| Manufacturer | |
| MPN | LM49200TLX/NOPB |
| LCSC Part # | C5751942 |
| Packaging | DSBGA-20 |
| Customer # | |
| Key Attributes | 2.7V~5.5V 2-Channel Class AB DSBGA-20 Audio Amplifiers RoHS |
| Datasheet | TI LM49200TLX/NOPB |
| RoHS Compliance | 1 documents available |
Products Specifications
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Linear/Amplifiers/Audio Amplifiers | |
| Manufacturer | TI | |
| Packaging | DSBGA-20 | |
| Quiescent Current | - | |
| Voltage - Supply | 2.7V~5.5V | |
| Total Harmonic Distortion + Noise (THD+N) | 0.02% | |
| Features | - | |
| Operating Temperature | -40℃~+85℃ | |
| Number of Inputs | 2 single-ended inputs + 1 differential pair input | |
| Signal-to-Noise Ratio | 101dB | |
| Speaker Channels | 2-Channel | |
| Efficiency | - | |
| Output Power | 1.25Wx2@8Ω;38mWx2@32Ω | |
| Class | Class AB | |
| Power Supply Rejection Ratio (PSRR) | 95dB |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Linear/Amplifiers/Audio Amplifiers | |
| Manufacturer | TI | |
| Packaging | DSBGA-20 | |
| Quiescent Current | - | |
| Voltage - Supply | 2.7V~5.5V | |
| Total Harmonic Distortion + Noise (THD+N) | 0.02% | |
| Features | - | |
| Operating Temperature | -40℃~+85℃ |
| Type | Description | |
|---|---|---|
| Number of Inputs | 2 single-ended inputs + 1 differential pair input | |
| Signal-to-Noise Ratio | 101dB | |
| Speaker Channels | 2-Channel | |
| Efficiency | - | |
| Output Power | 1.25Wx2@8Ω;38mWx2@32Ω | |
| Class | Class AB | |
| Power Supply Rejection Ratio (PSRR) | 95dB |
Introduction
The LM49200 is a fully integrated audio subsystem with a stereo power amplifier. Operating from a 3.3V supply, the amplifier delivers 500mW continuous average power per channel into an 8Ω load at 1% THD+N. The LM49200 also includes an independent stereo headphone amplifier capable of delivering 35mW per channel into a 32Ω load.
The LM49200 features three input channels, including a pair of single-ended inputs and one fully differential input channel. The input stage provides 32-step digital volume control, and the headphone output stage offers 8-step digital volume control.
Digital volume control and output modes are programmed via a 2-wire I²C-compatible interface, enabling flexible audio channel routing and mixing.
The LM49200 is designed for mobile phones, PDAs, and other portable handheld device applications. The highly integrated design minimizes external component count. The true ground headphone amplifier eliminates the need for bulky DC-blocking output capacitors, reducing board space requirements and cost.
Features
- Differential mono input and stereo single-ended input
- 32-level digital volume control (-80dB to +18dB)
- Three independent volume channels (left, right, mono)
- Independent headphone volume control
- Flexible output for speaker and headphone outputs
- True ground headphone amplifier — no large DC-blocking capacitors required, reducing PCB space and cost
- Receiver pass-through function
- Soft-start function
- RF interference rejection topology
- Click-and-pop suppression circuit
- Thermal shutdown protection
- Micropower shutdown
- I²C control interface
- Space-saving DSBGA package
Applications
- Portable electronic devices
- Mobile phones
- Personal digital assistants (PDAs)
Products Specifications
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Linear/Amplifiers/Audio Amplifiers | |
| Manufacturer | TI | |
| Packaging | DSBGA-20 | |
| Quiescent Current | - | |
| Voltage - Supply | 2.7V~5.5V | |
| Total Harmonic Distortion + Noise (THD+N) | 0.02% | |
| Features | - | |
| Operating Temperature | -40℃~+85℃ | |
| Number of Inputs | 2 single-ended inputs + 1 differential pair input | |
| Signal-to-Noise Ratio | 101dB | |
| Speaker Channels | 2-Channel | |
| Efficiency | - | |
| Output Power | 1.25Wx2@8Ω;38mWx2@32Ω | |
| Class | Class AB | |
| Power Supply Rejection Ratio (PSRR) | 95dB |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Linear/Amplifiers/Audio Amplifiers | |
| Manufacturer | TI | |
| Packaging | DSBGA-20 | |
| Quiescent Current | - | |
| Voltage - Supply | 2.7V~5.5V | |
| Total Harmonic Distortion + Noise (THD+N) | 0.02% | |
| Features | - | |
| Operating Temperature | -40℃~+85℃ |
| Type | Description | |
|---|---|---|
| Number of Inputs | 2 single-ended inputs + 1 differential pair input | |
| Signal-to-Noise Ratio | 101dB | |
| Speaker Channels | 2-Channel | |
| Efficiency | - | |
| Output Power | 1.25Wx2@8Ω;38mWx2@32Ω | |
| Class | Class AB | |
| Power Supply Rejection Ratio (PSRR) | 95dB |
Introduction
The LM49200 is a fully integrated audio subsystem with a stereo power amplifier. Operating from a 3.3V supply, the amplifier delivers 500mW continuous average power per channel into an 8Ω load at 1% THD+N. The LM49200 also includes an independent stereo headphone amplifier capable of delivering 35mW per channel into a 32Ω load.
The LM49200 features three input channels, including a pair of single-ended inputs and one fully differential input channel. The input stage provides 32-step digital volume control, and the headphone output stage offers 8-step digital volume control.
Digital volume control and output modes are programmed via a 2-wire I²C-compatible interface, enabling flexible audio channel routing and mixing.
The LM49200 is designed for mobile phones, PDAs, and other portable handheld device applications. The highly integrated design minimizes external component count. The true ground headphone amplifier eliminates the need for bulky DC-blocking output capacitors, reducing board space requirements and cost.
Features
- Differential mono input and stereo single-ended input
- 32-level digital volume control (-80dB to +18dB)
- Three independent volume channels (left, right, mono)
- Independent headphone volume control
- Flexible output for speaker and headphone outputs
- True ground headphone amplifier — no large DC-blocking capacitors required, reducing PCB space and cost
- Receiver pass-through function
- Soft-start function
- RF interference rejection topology
- Click-and-pop suppression circuit
- Thermal shutdown protection
- Micropower shutdown
- I²C control interface
- Space-saving DSBGA package
Applications
- Portable electronic devices
- Mobile phones
- Personal digital assistants (PDAs)
C5751942 EasyEDA Library
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 Compliant |
| ECCN | EAR99 |
| CNHTS | 8542339000 |
| USHTS | 8542330001 |
| TARIC | 8542339000 |
| CAHTS | 8542330000 |
| BRHTS | 85423390 |
| INHTS | 85423300 |
| MXHTS | 8542.33.99 |
| Type | Details |
|---|---|
| RoHS | ROHS3 Compliant |
| ECCN | EAR99 |
| CNHTS | 8542339000 |
| USHTS | 8542330001 |
| TARIC | 8542339000 |
| Type | Details |
|---|---|
| CAHTS | 8542330000 |
| BRHTS | 85423390 |
| INHTS | 85423300 |
| MXHTS | 8542.33.99 |