PAM8302A
Class-D Mono Audio AmplifierThe PAM8302A is a class-d mono audio amplifier from Diodes Incorporated. View the full PAM8302A datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Official PAM8302A datasheet (PDF) — the source this page was extracted from.
Manufacturer
Diodes IncorporatedCategory
Integrated CircuitsPAM8302A Key Specifications
| Parameter | Value |
|---|---|
| SNR | 80dB typ |
| Gain | 23.5dB |
| PSRR | 50dB typ |
| Dynamic Range | 90dB typ |
| UVLO Threshold | 2.1V |
| Peak Efficiency | 88% max (85% typ) |
| Shutdown Current | 1µA max |
| Quiescent Current | 4mA typ, 8mA max |
| Available Packages | MSOP-8, SO-8, U-DFN3030-8 (Type E) |
| Oscillator Frequency | 250kHz typ (200-300kHz) |
| Supply Voltage Range | 2.0V to 5.5V |
| THD+N (8Ω, 0.1W, 1kHz) | 0.30% typ |
| Operating Temperature Range | -40°C to +85°C |
| Over Temperature Protection | +135°C typ |
| Output Power (4Ω, 5V, THD+N=10%) | 2.5W typ |
| Output Power (8Ω, 5V, THD+N=10%) | 1.5W typ |
PAM8302A Overview
Part: PAM8302A from Diodes Incorporated
Type: Class-D Mono Audio Amplifier
Description: 2.0–5.5 V input, 2.5 W Class-D mono audio amplifier with filterless architecture, up to 88% peak efficiency, and low THD+N.
Operating Conditions:
- Supply voltage: 2.0 to 5.5 V
- Operation temperature: -40 to +85 °C
- Junction temperature: -40 to +125 °C
Absolute Maximum Ratings:
- Max supply voltage: 6.0 V
- Max junction temperature: +150 °C
- Max storage temperature: -65 to +150 °C
Key Specs:
- Output Power (V DD = 5V, R L = 4Ω, THD+N = 10%): 2.50 W (Typ)
- Output Power (V DD = 3.6V, R L = 4Ω, THD+N = 10%): 1.25 W (Typ)
- Peak Efficiency (f = 1kHz): 85% (Typ), 88% (Max)
- Quiescent Current (No Load): 4 mA (Typ), 8 mA (Max)
- Shutdown Current (V SHDN = 0V): 1 μA (Max)
- Total Harmonic Distortion Plus Noise (R L = 4Ω, P O = 0.5W, f = 1kHz): 0.40% (Typ), 0.45% (Max)
- Power Supply Ripple Rejection (No Inputs, f = 1kHz, V PP = 200mV): 50 dB (Typ)
- Oscillator Frequency: 250 kHz (Typ)
Features:
- 2.5W Output at 10% THD with a 4Ω Load and 5V Power Supply
- Filterless, Low Quiescent Current and Low EMI
- High Efficiency up to 88%
- Superior Low Noise
- Short Circuit Protection
- Thermal Shutdown
- Few External Components to Save Space and Cost
- MSOP-8, SO-8 and U-DFN3030-8 (Type E) Packages Available
- Totally Lead-Free & Fully RoHS Compliant
- Halogen and Antimony Free. 'Green' Device
Applications:
- PMP/MP4
- GPS
- Portable Speakers
- 2-Way Radios
- Hands-Free Phones/Speaker Phones
- Cellular Phones
Package:
- MSOP-8
- SO-8
- U-DFN3030-8 (Type E)
PAM8302A Features
- 2.5W Output at 10% THD with a 4Ω Load and 5V Power Supply
- Filterless, Low Quiescent Current and Low EMI
- High Efficiency up to 88%
- Superior Low Noise
- Short Circuit Protection
- Thermal Shutdown
- Few External Components to Save Space and Cost
- MSOP-8, SO-8 and U-DFN3030-8 (Type E) Packages Available
- Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
- Halogen and Antimony Free. 'Green' Device (Note 3)
- For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative.
PAM8302A Applications
- PMP/MP4
- GPS
- Portable Speakers
- 2-Way Radios
- Hands-Free Phones/Speaker Phones
- Cellular Phones
PAM8302A Pin Configuration
PAM8302A Electrical Characteristics
| Parameter | Symbol | Test Conditions | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|---|
| Supply Voltage Range | V DD | - | - | 2.0 | - | 5.5 | V |
| Quiescent Current | I Q | No Load | No Load | - | 4 | 8 | mA |
| Shutdown Current | I SHDN | V SHDN = 0V | V SHDN = 0V | - | - | 1 | μA |
| Output Power | P O | f = 1kHz, R L = 4Ω, THD+N = 10% | V DD = 5V | 2.25 | 2.50 | - | |
| Output Power | P O | f = 1kHz, R L = 4Ω, THD+N = 10% | V DD = 3.6V | 1.10 | 1.25 | - | |
| Output Power | P O | f = 1kHz, R L = 4Ω, THD+N = 1% | V DD = 5V | 1.80 | 2.00 | - | |
| Output Power | P O | f = 1kHz, R L = 4Ω, THD+N = 1% | V DD = 3.6V | 0.86 | 0.95 | - | |
| Output Power | P O | f = 1kHz, R L = 8Ω, THD+N = 10% | V DD = 5V | 1.35 | 1.50 | - | W |
| Output Power | P O | f = 1kHz, R L = 8Ω, THD+N = 10% | V DD = 3.6V | 0.72 | 0.80 | - | |
| Output Power | P O | f = 1kHz, R L = 8Ω, | V DD = 5V | 1.15 | 1.30 | - | |
| Output Power | P O | f = 1kHz, R L = 8Ω, | V DD = 3.6V | 0.6 | 0.65 | - | |
| Peak Efficiency | η | f = 1kHz | f = 1kHz | - | 85 | 88 | % |
| Total Harmonic Distortion Plus Noise | THD+N | RL = 8Ω, P O = 0.1W, f = 1kHz | RL = 8Ω, P O = 0.1W, f = 1kHz | - | 0.30 | 0.35 | % |
| Total Harmonic Distortion Plus Noise | THD+N | RL = 8Ω, P O = 0.5W, f = 1kHz | RL = 8Ω, P O = 0.5W, f = 1kHz | - | 0.45 | 0.50 | % |
| Total Harmonic Distortion Plus Noise | THD+N | RL = 4Ω, P O = 0.1W, f = 1kHz | RL = 4Ω, P O = 0.1W, f = 1kHz | - | 0.35 | 0.40 | % |
| Total Harmonic Distortion Plus Noise | THD+N | RL = 4Ω, P O = 0.5W, f = 1kHz | RL = 4Ω, P O = 0.5W, f = 1kHz | - | 0.40 | 0.45 | % |
| Gain | GV | - | - | - | 23.5 | - | dB |
| Power Supply Ripple Rejection | PSRR | No Inputs, f = 1kHz, V PP = 200mV | No Inputs, f = 1kHz, V PP = 200mV | 45 | 50 | - | dB |
| Dynamic Range | DYN | f = 20 to 20kHz | f = 20 to 20kHz | 85 | 90 | - | dB |
| Signal to Noise Ratio | SNR | f = 20 to 20kHz | f = 20 to 20kHz | 75 | 80 | - | dB |
| Noise | V N | No A-Weighting | No A-Weighting | - | 180 | 300 | μV |
| Noise | V N | A-Weighting | A-Weighting | - | 120 | 200 | |
| Oscillator Frequency | f OSC | - | - | 200 | 250 | 300 | kHz |
| Drain-Source On-State Resistance | R DS(ON) | I DS = 100mA | P MOSFET | - | 0.45 | 0.50 | Ω |
| Drain-Source On-State Resistance | R DS(ON) | I DS = 100mA | N MOSFET | - | 0.20 | 0.25 | Ω |
| SHD Input High | V SH | - | - | 1.2 | - | - | V |
| SHD Input Low | V SL | - | - | - | - | 0.4 | |
| Over Temperature Protection | OTP | Junction Temperature | Junction Temperature | +120 | +135 | - | ° C |
| Over Temperature Hysteresis | OTH | - | - | - | +30 | - | ° C |
PAM8302A
PAM8302A 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 at No Input Signal | 6.0 | V |
| Input Voltage | -0.3 to V DD +0.3 | V |
| Maximum Junction Temperature | +150 | ° C |
| Storage Temperature | -65 to +150 | ° C |
| Soldering Temperature | +300, 5s | ° C |
PAM8302A Recommended Operating Conditions
| Parameter | Rating | Unit |
|---|---|---|
| Supply Voltage Range | 2.0 to 5.5 | V |
| Operation Temperature Range | -40 to +85 | ° C |
| Junction Temperature Range | -40 to +125 | ° C |
PAM8302A Thermal Information
| Parameter | Package | Symbol | Max | Unit |
|---|---|---|---|---|
| Thermal Resistance (Junction to Ambient) | SO-8 | θ JA | 115 | ° C/W |
| Thermal Resistance (Junction to Ambient) | MSOP-8 | θ JA | 180 | ° C/W |
| Thermal Resistance (Junction to Ambient) | U-DFN3030-8 (Type E) | θ JA | 47.9 | ° C/W |
PAM8302A Typical Application
PAM8302A Package Information
Please see http://www.diodes.com/package-outlines.html for the latest version.
MSOP-8
Detail C
| MSOP-8 | MSOP-8 | MSOP-8 | MSOP-8 |
|---|---|---|---|
| Dim | Min | Max | Typ |
| A | - | 1.10 | - |
| A1 | 0.05 | 0.15 | 0.10 |
| A2 | 0.75 | 0.95 | 0.86 |
| A3 | 0.29 | 0.49 | 0.39 |
| b | 0.22 | 0.38 | 0.30 |
| c | 0.08 | 0.23 | 0.15 |
| D | 2.90 | 3.10 | 3.00 |
| E | 4.70 | 5.10 | 4.90 |
| E1 | 2.90 | 3.10 | 3.00 |
| E3 | 2.85 | 3.05 | 2.95 |
| e | - | - | 0.65 |
| L | 0.40 | 0.80 | 0.60 |
| a | 0° | 8° | 4° |
| x | - | - | 0.750 |
| y | - | - | 0.750 |
| All Dimensions inmm | All Dimensions inmm | All Dimensions inmm | All Dimensions inmm |
| SO-8 | SO-8 | SO-8 | SO-8 |
| Dim | Min | Max | Typ |
| A | 1.40 | 1.50 | 1.45 |
| A1 | 0.10 | 0.20 | 0.15 |
| b | 0.30 | 0.50 | 0.40 |
| c | 0.15 | 0.25 | 0.20 |
| D | 4.85 | 4.95 | 4.90 |
| E | 5.90 | 6.10 | 6.00 |
| E1 | 3.80 | 3.90 | 3.85 |
| E0 | 3.85 | 3.95 | 3.90 |
| e | - | - | 1.27 |
| h | - | - | 0.35 |
| L | 0.62 | 0.82 | 0.72 |
| Q | 0.60 | 0.70 | 0.65 |
| All Dimensions inmm | All Dimensions inmm | All Dimensions inmm | All Dimensions inmm |
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