TPA321DR vs TPA321DG4 Comparison

Detailed side-by-side comparison of TPA321DR by Texas Instruments and TPA321DG4 by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Texas Instruments
TPA321DR TPA321DR - 700mW Mono Class-AB Amplifier | Texas Instruments

TPA321DR - 700mW Mono Class-AB Amplifier | Texas Instruments

TPA321DR ✓ Active
Texas Instruments
TPA321DG4 TPA321DG4 - 350mW Mono Class-D Audio Amp | Texas Instruments

TPA321DG4 - 350mW Mono Class-D Audio Amp | Texas Instruments

TPA321DG4 ✓ Active

Specification Comparison

Parameter TPA321DR TPA321DG4
Brand Texas Instruments Texas Instruments
Category Motor Drivers Amplifier ICs
Lifecycle Status Active Active
Product Type Mono analog-input Class-AB audio amplifier —
Maximum Output Power 700mW —
Output Power at 3.3V, 8Ω 250mW continuous power at less than 1% THD+N —
Supply Voltage Range 2.5V to 5.5V —
Supported Supply Operation 3.3V and 5V —
Output Configuration Mono bridge-tied load (BTL) Differential output
Output Type Differential output —
Input Configuration Differential inputs Differential inputs
Maximum Load Resistance 8Ω —
Operating Temperature -40°C to +85°C —
Package 8-pin SOIC surface-mount package —
Package Pin Count 8 pins —
Protection Features Short-circuit protection and thermal protection —
Power Dissipation 725mW maximum —
Quiescent Supply Current Ultralow supply current in shutdown mode; exact value not provided —
Gain Set with external resistors —
RoHS Status [DATA_NEEDED: RoHS status] [DATA_NEEDED: RoHS compliance statement]
REACH Status [DATA_NEEDED: REACH status] —
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification status] [DATA_NEEDED: AEC-Q100 qualification status]
Device Type — Mono Class-D audio power amplifier
Rated Output Power — 350 mW
Nominal Output Power (distributor listing) — 0.7 W
Supply Voltage Operation — 3.3 V and 5 V (fully specified)
Maximum Supply Voltage — 5.5 V
Maximum Output Load Resistance — 8 ohm
Total Harmonic Distortion — 0.5 %
Maximum Power Dissipation — 725 mW
Maximum Supply Current — 1.5 mA
Shutdown Supply Current — 0.15 uA
Operating Temperature Range — -40 C to +85 C (industrial grade)
Package Type — SOIC-8 (DG4), gull wing, rectangular
Number of Terminals — 8
Mounting Type — Surface Mount
Datasheet Length — 26 pages

Datasheets & Resources

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