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TDA8922TH
Audio Amplifier, 2 Func, PDSO24,
TDA8922TH
Audio Amplifier, 2 Func, PDSO24,
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Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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TDA8922TH DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
GENERAL DESCRIPTIONThe TDA8922 is a high efficiency class-D audio power amplifier with very low dissipation. The typical output power is 2×25 W.The device is available in the HSOP24 power package with a small internal heatsink and in the DBS23P through-hole power package. Depending on the supply voltage and load conditions, a very small or even no external heatsink is required. The amplifier operates over a wide supply voltage range from±12.5 to±30 V and consumes a very low quiescent current.FEATURES• High efficiency (∼90%)• Operating supply voltage from±12.5 to±30 V• Very low quiescent current• Low distortion• Usable as a stereo Single-Ended (SE) amplifier or as a mono amplifier in Bridge-Tied Load (BTL)• Fixed gain of 30 dB in Single-Ended (SE) and 36 dB in Bridge-Tied Load (BTL)• High output power• Good ripple rejection• Internal switching frequency can be overruled by an external clock• No switch-on or switch-off plop noise• Short-circuit proof across load and to supply lines• Electrostatic discharge protection• Thermally protected.APPLICATIONS• Television sets• Home-sound sets• Multimedia systems• All mains fed audio systems• Car audio (boosters).
Key Features
- High efficiency (∼90%)
- Operating supply voltage from±12.5 to±30 V
- Very low quiescent current
- Low distortion
- Usable as a stereo Single-Ended (SE) amplifier or as a mono amplifier in Bridge-Tied Load (BTL)
- Fixed gain of 30 dB in Single-Ended (SE) and 36 dB in Bridge-Tied Load (BTL)
- High output power
- Good ripple rejection
- Internal switching frequency can be overruled by an external clock
- No switch-on or switch-off plop noise
- Short-circuit proof across load and to supply lines
- Electrostatic discharge protection
- Thermally protected.
Application
- Television sets
- Home-sound sets
- Multimedia systems
- All mains fed audio systems
- Car audio (boosters).
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | Yes | Part Life Cycle Code | Transferred |
| Reach Compliance Code | ECCN Code | EAR99 | |
| HTS Code ! | 8542.33.00.01 | Consumer IC Type | AUDIO AMPLIFIER |
| JESD-30 Code | R-PDSO-G24 | Number of Functions | 2 |
| Number of Terminals | 24 | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -40 °C | Package Body Material | PLASTIC/EPOXY |
| Package Code | SSOP | Package Equivalence Code | SOP24,.56,40 |
| Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 245 | Power Supplies ! | +-20 V |
| Qualification Status ! | Not Qualified | Supply Current-Max | 75 mA |
| Surface Mount ! | YES | Temperature Grade ! | INDUSTRIAL |
| Terminal Form ! | GULL WING | Terminal Pitch ! | 1 mm |
| Terminal Position | DUAL |
Specification Comparison
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is TDA8922TH?
The TDA8922TH is a high-efficiency class-D audio amplifier module designed by NXP Semiconductors. It is specifically designed for use in high-quality audio applications such as Hi-Fi sound systems, multimedia speakers, and professional audio equipment.
How Does TDA8922TH Work?
The TDA8922TH operates as a class-D audio amplifier, utilizing pulse-width modulation (PWM) techniques to amplify input audio signals with high efficiency. It features a built-in switching power supply, making it capable of delivering high output power while minimizing power dissipation and heat generation. The amplifier's high efficiency and low distortion make it suitable for demanding audio applications.
How Many Pins does TDA8922TH have and What are the Functions of the Pinout Configuration?
The TDA8922TH is housed in a multiwatt package with 15 pins. The pinout configuration includes:
- VP: Positive supply voltage pin.
- VP1: Positive supply voltage, channel 1.
- VP2: Positive supply voltage, channel 2.
- VN: Negative supply voltage pin.
- IN1P, IN1N: Differential input pins for channel 1.
- IN2P, IN2N: Differential input pins for channel 2.
- VREF: Voltage reference pin for the modulation stage.
- MODE: Mode selection pin.
- ST-BY: Standby pin for enabling/disabling the amplifier.
- RESET: Reset pin for internal control logic.
What are the Pros and Cons of TDA8922TH?
Pros:
- High Efficiency: Class-D design delivers high efficiency, minimizing power dissipation.
- High Output Power: Capable of delivering high output power for demanding audio applications.
- Integrated Power Supply: Includes a built-in switching power supply, simplifying system design.
- Low Distortion: Provides low distortion for high-quality audio reproduction.
- Thermal Protection: Features built-in thermal protection for reliable operation.
Cons:
- Complexity: Requires careful consideration of PCB layout and filtering due to high-frequency switching.
- EMI Considerations: Class-D amplifiers can produce electromagnetic interference (EMI) requiring proper filtering and shielding.
- External Components: May require external components such as input filters and output inductors for optimal performance.
Are There Any Equivalents/Alternatives to TDA8922TH for Recommendation?
- The TDA8920B from NXP Semiconductors is a similar class-D audio amplifier with slightly different features.
- Alternatives to the TDA8922TH include the TAS57xx series from Texas Instruments and the IRS2092 from Infineon Technologies.
