PAM8403DR
Class-D Stereo Audio AmplifierThe PAM8403DR is a class-d stereo audio amplifier from Diodes Incorporated. View the full PAM8403DR datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
PAM8403DR shares its datasheet with PAM8403, whose page lists every part number it covers.
Official PAM8403DR datasheet (PDF) — the source this page was extracted from.
Manufacturer
Diodes IncorporatedCategory
Class-D Stereo Audio Amplifier
PAM8403DR Key Specifications
| Parameter | Value |
|---|---|
| Output power | 3.2 W typ. (VDD = 5.0 V, THD+N = 10%, f = 1 kHz, RL = 4 Ω) |
| Output power | 1.8 W typ. (VDD = 5.0 V, THD+N = 10%, f = 1 kHz, RL = 8 Ω) |
| Output power | 2.5 W typ. (VDD = 5.0 V, THD+N = 1%, f = 1 kHz, RL = 4 Ω) |
| Total harmonic distortion plus noise (THD+N) | 0.15% typ. (VDD = 5.0 V, PO = 1 W, RL = 8 Ω, f = 1 kHz) |
| Quiescent current | 16 mA typ. (VDD = 5.0 V, no load) |
| Shutdown current | < 1 μA typ. (VDD = 2.5 V to 5.5 V, VSD = 0.3 V) |
| Efficiency | up to 90% (RL = 8 Ω, THD = 10%, f = 1 kHz) |
| Switching frequency | 260 kHz typ. (VDD = 3.0 V to 5.0 V) |
| Closed loop gain | 24 dB typ. (VDD = 3 V to 5 V) |
PAM8403DR Overview
Part: PAM8403 — Diodes Incorporated
Type: Filterless Class-D Stereo Audio Amplifier
Description: 3 W stereo filterless Class-D audio amplifier operating from 2.5 V to 5.5 V with up to 90% efficiency and low THD+N.
Operating Conditions:
- Supply voltage: 2.5 to 5.5 V
- Operating temperature: -40 to +85 °C
- Junction temperature: -40 to +125 °C
Absolute Maximum Ratings:
- Max supply voltage: 6.0 V
- Max junction/storage temperature: 150 °C (storage: -65 to +150 °C)
Key Specs:
- Output power: 3.2 W typ. (VDD = 5.0 V, THD+N = 10%, f = 1 kHz, RL = 4 Ω)
- Output power: 1.8 W typ. (VDD = 5.0 V, THD+N = 10%, f = 1 kHz, RL = 8 Ω)
- Output power: 2.5 W typ. (VDD = 5.0 V, THD+N = 1%, f = 1 kHz, RL = 4 Ω)
- Total harmonic distortion plus noise (THD+N): 0.15% typ. (VDD = 5.0 V, PO = 1 W, RL = 8 Ω, f = 1 kHz)
- Quiescent current: 16 mA typ. (VDD = 5.0 V, no load)
- Shutdown current: < 1 μA typ. (VDD = 2.5 V to 5.5 V, VSD = 0.3 V)
- Efficiency: up to 90% (RL = 8 Ω, THD = 10%, f = 1 kHz)
- Switching frequency: 260 kHz typ. (VDD = 3.0 V to 5.0 V)
- Closed loop gain: 24 dB typ. (VDD = 3 V to 5 V)
Features:
- 3 W output at 10% THD with a 4 Ω load and 5 V power supply
- Filterless architecture drives speakers directly
- Low quiescent current and low EMI
- Short circuit protection
- Thermal shutdown with automatic recovery
- Few external components required
Applications:
- LCD Monitors / TV Projectors
- Notebook Computers
- Portable Speakers
- Portable DVD Players, Game Machines
- Cellular Phones / Speaker Phones
Package:
- SOP-16 (SO-16)
PAM8403DR 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
PAM8403DR Applications
PAM8403DR Pin Configuration
PAM8403DR Electrical Characteristics
| Symbol | Parameter | Test Conditions | Test Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|---|
| V DD | Supply Voltage | V DD = 5.0V | 2.5 | 3.2 | 5.5 | V W | |
| THD+N = 10%, f = 1KHz, R L = 4Ω | V DD = 3.6V V DD = 3.2V V DD = 5.0V | 1.6 1.3 2.5 | W W | ||||
| THD+N = 1%, f = 1KHz, R L = 4Ω | V DD = 3.6V V DD = 3.2V | 1.3 0.85 | W W | ||||
| P O | Output Power | THD+N = 10%, f = 1KHz, R L = 8Ω | V DD = 5.0V | 1.8 | |||
| THD+N = 10%, f = 1KHz, R L = 8Ω THD+N = 10%, f = 1KHz, R L = 8Ω | V DD = 3.6V V DD = 3.2V | 0.9 0.6 | W | ||||
| THD+N = 1%, f = 1KHz, R L = 8Ω | V DD = 5.0V | 1.4 | W | ||||
| THD+N = 1%, f = 1KHz, R L = 8Ω | V DD = 3.6V | 0.72 | W | ||||
| THD+N = 1%, f = 1KHz, R L = 8Ω | V DD = 3.2V | 0.45 | W | ||||
| THD+N | Total Harmonic Distortion Plus | V DD = 5.0V, P O = 1W, R L = 8Ω | 0.15 | % | |||
| THD+N | Total Harmonic Distortion Plus | V DD = 3.6V, P O = 0.1W, R L = 8Ω | f = 1kHz | 0.11 | % | ||
| THD+N | Noise | V DD = 5.0V, P O = 0.5W, R L = 4Ω | 0.15 | % | |||
| THD+N | Total Harmonic Distortion Plus | V DD = 3.6V, P O = 0.2W, R L = 4Ω | f = 1kHz | 0.11 | % | ||
| G V | Closed Loop Gain | V DD = 3V to 5V | 24 | dB | |||
| PSRR | Power Supply Ripple Rejection | V DD = 5.0V, Inputs AC-Grounded with C IN = 0.47μF | f = 100Hz f = 1kHz | -59 -58 | dB | ||
| C S | Crosstalk | V DD = 5.0V, P O = 0.5W, R L = 8Ω, G V = 20db | f = 1kHz | -95 | dB | ||
| SNR | Signal-to-Noise Ratio | V DD = 5.0V, V ORMS = 1V, G V = 20db | f = 1kHz | 80 | dB | ||
| V N | Output Noise | V DD = 5.0V, Inputs AC-Grounded No | A-Weighting | ||||
| Dyn | Dynamic Range | with C IN = 0.47μF V = 5.0V, THD = 1% | A-Weighting f = 1kHz | 100 150 | μV dB | ||
| η | Efficiency | DD R L = 8Ω, THD = 10% R L = 4Ω, THD = 10% | f = 1kHz | 90 87 83 | % | ||
| I Q | V DD = 5.0V | 16 | |||||
| Quiescent Current | V DD = 3.6V V DD = 3.0V | No Load | 10 8 | mA | |||
| I MUTE | Muting Current | V DD = 5.0V | V MUTE = 0.3V | 3.5 | mA | ||
| I SD | Shutdown Current | V DD = 2.5V to 5.5V | V SD = 0.3V | < 1 | μA | ||
| R DS(ON) | Static Drain-to-Source On-State Resistor | = 5V I DS = 500mA, V GS | PMOS NMOS | 180 140 | mΩ | ||
| f SW | Switching Frequency | V DD = 3.0V to 5.0V | 260 | kHz | |||
| V OS | Output Offset Voltage | V IN = 0V, V DD = 5.0V | 10 | mV | |||
| V IH | Enable Input High Voltage | V DD = 5.0V | 1.5 | 1.4 | |||
| V IL | Enable Input Low Voltage | V DD = 5.0V | 0.7 | 0.4 | V | ||
| V IH | MUTE Input High Voltage | V DD = 5.0V | 1.5 | 1.4 | |||
| V IL | MUTE Input Low Voltage | V DD = 5.0V | 0.7 | 0.4 | V | ||
| OTP | Over Temperature Protection | 140 | V | ||||
| OTH | Over Temperature Hysterisis | No Load, Junction Temperature | V DD = 5.0V | 30 | V |
PAM8403
PAM8403DR 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 | V |
| Input Voltage | -0.3 to V DD +0.3V | V |
| Operation Temperature Range | -40 to +85 | °C |
| Maximum Junction Temperature | 150 | °C |
| Operation Junction Temperature | -40 to +125 | °C |
| Storage Temperature | -65 to +150 | °C |
| Soldering Temperature | 300, 5 sec | °C |
PAM8403DR 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 |
PAM8403DR Thermal Information
| Parameter | Package | Symbol | Max | Unit |
|---|---|---|---|---|
| Thermal Resistance (Junction to Ambient) | SOP-16 | θ JA | 110 | °C/W |
| Thermal Resistance (Junction to Case) | SOP-16 | θ JC | 23 | °C/W |
PAM8403
PAM8403DR Typical Application
PAM8403DR Package Information
SO-16
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