TPA321DG4 vs TPA321DR Comparison

Detailed side-by-side comparison of TPA321DG4 by Texas Instruments and TPA321DR 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
TPA321DG4 TPA321DG4 - 350mW Mono Class-D Audio Amp | Texas Instruments

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

TPA321DG4 ✓ Active
Texas Instruments
TPA321DR TPA321DR - 700mW Mono Class-AB Amplifier | Texas Instruments

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

TPA321DR ✓ Active

Specification Comparison

Parameter TPA321DG4 TPA321DR
Brand Texas Instruments Texas Instruments
Category Amplifier ICs Motor Drivers
Lifecycle Status Active Active
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 —
Input Configuration Differential inputs Differential inputs
Output Configuration Differential output Mono bridge-tied load (BTL)
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 —
RoHS Status [DATA_NEEDED: RoHS compliance statement] [DATA_NEEDED: RoHS status]
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification status] [DATA_NEEDED: AEC-Q100 qualification status]
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 Type — Differential output
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
REACH Status — [DATA_NEEDED: REACH status]

Datasheets & Resources

Browse All Products Create BOM Request Quote