TPA321D
- Mfr.Part #
- TPA321D
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC AMP CLASS AB MONO 700MW 8SOIC
- Stock
- 6,776
- In Stock :
- 6,776
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- Audio Amplifiers
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Pins :
- 8
- Number of Functions :
- 1
- Harmonic Distortion :
- 0.5%
- Operating Temperature :
- -40°C~85°C TA
- Supply Type :
- Single
- Max Output Power :
- 700mW
- Load Impedance :
- 8Ohm
- Output Power :
- 700mW
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Feature :
- Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
- Height :
- 1.75mm
- Peak Reflow Temperature (Cel) :
- 260
- Weight :
- 75.891673mg
- Max Power Dissipation :
- 725mW
- Type :
- Class AB
- Terminal Position :
- Dual
- Output Type :
- 1-Channel (Mono)
- Supply Voltage-Max (Vsup) :
- 5.5V
- Pin Count :
- 8
- Power Dissipation :
- 725mW
- Surface Mount :
- yes
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Voltage - Supply :
- 2.5V~5.5V
- Radiation Hardening :
- No
- Width :
- 3.91mm
- Supply Voltage-Min (Vsup) :
- 2.5V
- JESD-609 Code :
- e4
- Number of Terminations :
- 8
- Max Output Power x Channels @ Load :
- 700mW x 1 @ 8 Ω
- Base Part Number :
- TPA321
- Number of Channels :
- 1
- ECCN Code :
- EAR99
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Thickness :
- 1.58mm
- Mounting Type :
- Surface Mount
- REACH SVHC :
- No SVHC
- Pbfree Code :
- yes
- RoHS Status :
- ROHS3 Compliant
- Terminal Form :
- Gull wing
- Quiescent Current :
- 700µA
- Bandwidth :
- 4 kHz
- Nominal Supply Current :
- 1.5mA
- Factory Lead Time :
- 6 Weeks
- Lead Free :
- Lead Free
- Power Supply Rejection Ratio (PSRR) :
- 85dB
- Length :
- 4.9mm
- Gain Bandwidth Product :
- 1.4MHz
- Packaging :
- Tube
- Datasheets
- TPA321D

Audio Amplifiers Texas Instruments TPA321D Overview
Introducing the TPA321D, an exceptional Integrated Circuit Amplifier meticulously crafted by Texas Instruments, a global leader in semiconductor solutions. Designed for uncompromising performance, this Class AB Mono Amplifier delivers an astounding 700mW power output in a compact 8SOIC package. Ideal for professional audio applications, the TPA321D sets a new standard for audio amplification.
TPA321D Features
- High-Quality Audio Amplification: The TPA321D ensures pristine audio reproduction, delivering crisp highs and deep lows for an immersive listening experience.
- Efficient Class AB Design: With its Class AB architecture, this amplifier combines the efficiency of Class B amplifiers with the low distortion of Class A amplifiers, resulting in superior audio performance.
- Compact Form Factor: Housed in an 8SOIC package, the TPA321D offers space-saving convenience without compromising on power or quality.
- Wide Operating Voltage Range: With a wide operating voltage range, this amplifier accommodates various power supply configurations, making it suitable for a range of applications.
- Thermal and Short-Circuit Protection: Built-in thermal and short-circuit protection mechanisms ensure the safety and reliability of your audio systems.
TPA321D Applications
- Portable Audio Devices: The TPA321D is perfect for powering portable speakers, headphones, and audio accessories, delivering premium sound quality on the go.
- Professional Audio Equipment: From studio monitors to PA systems, the TPA321D excels in professional audio applications, delivering studio-grade sound reproduction with precision and clarity.
- Automotive Infotainment Systems: Enhance the audio experience in vehicles with the TPA321D, delivering high-fidelity sound for in-car entertainment systems.
Example: The TPA321D can be integrated into compact Bluetooth speakers, enhancing their audio performance and providing users with immersive sound experiences while traveling or relaxing outdoors.
Example: In studio monitor speakers, the TPA321D ensures accurate audio monitoring, enabling engineers and musicians to make critical sound adjustments with confidence during recording and mixing sessions.
Example: Integrated into automotive head units, the TPA321D provides drivers and passengers with immersive audio playback, enriching the driving experience with crystal-clear sound.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















