TPA301D vs TPA321D Comparison
Detailed side-by-side comparison of TPA301D by Texas Instruments and TPA321D by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | TPA301D | TPA321D |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Active | Unknown |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.35 | $0.00 |
| Product Type | Mono Class-AB audio power amplifier | Mono Class-AB audio power amplifier |
| Rated Output Power | 350 mW | 700 mW |
| Verified 3.3 V Output Power | 250 mW continuous into 8 ohm BTL at less than 1% THD+N throughout the voice band | — |
| Supply Voltage Operation | 3.3 V and 5 V | — |
| Output Topology | Bridge-tied load (BTL) | — |
| Audio Channel Count | 1 channel, mono | — |
| Package | 8-pin SOIC | 8-pin SOIC |
| Mounting Type | Surface mount | Surface mount |
| Shutdown Quiescent Current | 0.15 uA | — |
| Protection Features | Thermal and short-circuit protection | — |
| Operating Temperature | -40 C to +85 C | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS compliance] |
| Lifecycle Status | Active | — |
| Manufacturer Product Page | TPA301 | — |
| Manufacturer Data Sheet Revision | Rev. E | — |
| Distributor Package Description | 8-SOIC | — |
| Distributor Price Reference | $0.5783 at MOQ 10, as of 2026-10-23 | — |
| Power at 3.3 V into 8 Ohms | — | 250 mW continuous at less than 1% THD+N |
| Supply Voltage Range | — | 2.5 V to 5.5 V |
| Specified Supply Operation | — | 3.3 V and 5 V |
| Output Configuration | — | Bridge-tied load (BTL) |
| Input Architecture | — | Differential analog input |
| Channel Count | — | 1 channel |
| Amplifier Class | — | Class AB |
| Operating Temperature Range | — | -40°C to +85°C |
| Shutdown Supply Current | — | Ultralow; numeric value [DATA_NEEDED: shutdown supply current] |
| Output Distortion | — | Less than 1% THD+N at 250 mW into 8 Ohms at 3.3 V |
| REACH Status | — | [DATA_NEEDED: REACH compliance] |
| Lead-Free Status | — | [DATA_NEEDED: lead-free status] |
| Halogen-Free Status | — | [DATA_NEEDED: halogen-free status] |
| AEC-Q100 Status | — | [DATA_NEEDED: AEC-Q100 qualification] |