PAM8403
Description
Manufacturer
unknown
Overview
Part: PAM8403
Type: Filterless 3W Class-D Stereo Audio Amplifier
Key Specs:
- Output Power: 3W (at 10% THD, 4Ω load, 5V supply)
- Efficiency: Up to 90%
- Supply Voltage Range: 2.5V to 5.5V
- Operation Temperature Range: -40 to +85 °C
Features:
- 3W Output at 10% THD with a 4Ω Load and 5V Power Supply
- Filterless, Low Quiescent Current and Low EMI
- Low THD+N
- Superior Low Noise
- Efficiency up to 90%
- Short Circuit Protection
- Thermal Shutdown
- Few External Components to Save the Space and Cost
- Pb-Free Package
Applications:
- LCD Monitors / TV Projectors
- Notebook Computers
- Portable Speakers
- Portable DVD Players, Game Machines
- Cellular Phones/Speaker Phones
Package:
- SOP-16: null
Features
- 3W Output at 10% THD with a 4Ω Load and 5V Power Supply
- Filterless, Low Quiescent Current and Low EMI
- Low THD+N
- Superior Low Noise
- Efficiency up to 90%
- Short Circuit Protection
- Thermal Shutdown
- Few External Components to Save the Space and Cost
- Pb-Free Package
Applications
- LCD Monitors / TV Projectors
- Notebook Computers
- Portable Speakers
- Portable DVD Players, Game Machines
- Cellular Phones/Speaker Phones
Pin Configuration
Applications
- LCD Monitors / TV Projectors
- Notebook Computers
- Portable Speakers
- Portable DVD Players, Game Machines
- Cellular Phones/Speaker Phones
Electrical Characteristics
| Symbol | Parameter | Test Conditions | Min | Typ | Max | Units | |
|---|---|---|---|---|---|---|---|
| VDD | Supply Voltage | 2.5 | 5.5 | V | |||
| VDD = 5.0V | 3.2 | W | |||||
| THD+N = 10%, f = 1KHz, RL = 4Ω | VDD = 3.6V | 1.6 | |||||
| VDD = 3.2V | 1.3 | ||||||
| VDD = 5.0V | 2.5 | ||||||
| THD+N = 1%, f = 1KHz, RL = 4Ω | VDD = 3.6V | 1.3 | W | ||||
| VDD = 3.2V | 0.85 | ||||||
| PO | Output Power | VDD = 5.0V | 1.8 | ||||
| THD+N = 10%, f = 1KHz, RL = 8Ω | VDD = 3.6V | 0.9 | W | ||||
| VDD = 3.2V | 0.6 | ||||||
| VDD = 5.0V | 1.4 | ||||||
| THD+N = 1%, f = 1KHz, RL = 8Ω | VDD = 3.6V | 0.72 | W | ||||
| VDD = 3.2V | 0.45 | ||||||
| VDD = 5.0V, PO = 1W, RL = 8Ω | 0.15 | ||||||
| Total Harmonic Distortion Plus | VDD = 3.6V, PO = 0.1W, RL = 8Ω | f = 1kHz | 0.11 | % | |||
| THD+N | Noise | VDD = 5.0V, PO = 0.5W, RL = 4Ω | 0.15 | ||||
| VDD = 3.6V, PO = 0.2W, RL = 4Ω | f = 1kHz | 0.11 | % | ||||
| GV | Closed Loop Gain | VDD = 3V to 5V | 24 | dB | |||
| VDD = 5.0V, Inputs AC-Grounded | f = 100Hz | -59 | |||||
| PSRR | Power Supply Ripple Rejection | with CIN = 0.47µF | f = 1kHz | -58 | dB | ||
| VDD = 5.0V, PO = 0.5W, RL = 8Ω, | |||||||
| CS | Crosstalk | GV = 20db | f = 1kHz | -95 | dB | ||
| SNR | Signal-to-Noise Ratio | VDD = 5.0V, VORMS = 1V, GV = 20db | f = 1kHz | 80 | dB | ||
| VN | Output Noise | VDD = 5.0V, Inputs AC-Grounded | No A-Weighting | 100 | µV | ||
| with CIN = 0.47µF | A-Weighting | 150 | |||||
| Dyn | Dynamic Range | VDD = 5.0V, THD = 1% | f = 1kHz | 90 | dB | ||
| η | Efficiency | RL = 8Ω, THD = 10% | f = 1kHz | 87 | % | ||
| RL = 4Ω, THD = 10% | 83 | ||||||
| VDD = 5.0V | 16 | ||||||
| IQ | Quiescent Current | VDD = 3.6V | No Load | 10 | mA | ||
| VDD = 3.0V | 8 | ||||||
| IMUTE | Muting Current | VDD = 5.0V | VMUTE = 0.3V | 3.5 | mA | ||
| ISD | Shutdown Current | VDD = 2.5V to 5.5V | VSD = 0.3V | < 1 | µA | ||
| RDS(ON) | Static Drain-to-Source | IDS = 500mA, VGS = 5V | PMOS | 180 | mΩ | ||
| On-State Resistor | NMOS | 140 | |||||
| fSW | Switching Frequency | VDD = 3.0V to 5.0V | 260 | kHz | |||
| VOS | Output Offset Voltage | VIN = 0V, VDD = 5.0V | 10 | mV | |||
| VIH | Enable Input High Voltage VDD = 5.0V | 1.5 | 1.4 | V | |||
| VIL | Enable Input Low Voltage VDD = 5.0V | 0.7 | 0.4 | ||||
| VIH | MUTE Input High Voltage VDD = 5.0V | 1.5 | 1.4 | V | |||
| VIL | MUTE Input Low Voltage | VDD = 5.0V | 0.7 | 0.4 | |||
| OTP | Over Temperature Protection No Load, Junction Temperature | VDD = 5.0V | 140 | V | |||
| OTH | Over Temperature Hysterisis | 30 | V |
Absolute Maximum Ratings
These are stress ratings only and functional operation is not implied. Exposure to absolute maximum ratings for prolonged time periods may affect device reliability. All voltages are with respect to ground.
| Parameter | Rating | Unit |
|---|---|---|
| Supply Voltage | 6.0 | |
| Input Voltage | -0.3 to VDD +0.3V | V |
| Operation Temperature Range | -40 to +85 | |
| Maximum Junction Temperature | 150 | |
| Operation Junction Temperature | -40 to +125 | °C |
| Storage Temperature | -65 to +150 | |
| Soldering Temperature | 300, 5 sec |
Recommended Operating Conditions
| Parameter | Rating | Unit |
|---|---|---|
| Supply Voltage Range | 2.5 to 5.5 | V |
| Operation Temperature Range | -40 to +85 | °C |
| Junction Temperature Range | -40 to +125 | °C |
Thermal Information
| Parameter | Package | Symbol | Max | Unit |
|---|---|---|---|---|
| Thermal Resistance (Junction to Ambient) | SOP-16 | θJA | 110 | |
| Thermal Resistance (Junction to Case) | SOP-16 | θJC | 23 | °C/W |
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