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TPA6304QDDVRQ1 +BOM

Amplifier IC 4-Channel (Quad) Class D 44-HTSSOP

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TPA6304QDDVRQ1
Datasheet:

TPA6304QDDVRQ1 Datasheet (PDF)
Audio Input Type:

Analog Input
Architecture:

Class-D
Speaker Channels (max):

4
Rating:

Automotive
EDA/CAD Models:

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TPA6304QDDVRQ1 General Description

Designed for entry-level automotive head units, the TPA6304-Q1 delivers superior audio quality while maximizing efficiency. Its Class-D topology outperforms traditional linear amplifier designs, providing a clear advantage in terms of power consumption and heat dissipation. Additionally, the amplifier's output switching frequency can be adjusted to eliminate interference in the AM band, further enhancing its overall performance

Key Features

Highest efficiency Class-D
- Significantly more efficient than Class-AB
- Reduce thermal solution with 75% less heat dissipation than Class-AB
Start/stop operation down to 4.5 V
AEC-Q100 Qualified for automotive applications:
- Temperature grade 1: –40°C to 125°C T_A
- HBM ESD Classification level 2
- CDM ESD Classification level C2B
27 W, 10% THD into 4 Ω at 14.4 V
- Drives 4 Ω and 2 Ω loads
Load diagnostics
- Output open, shorted load
- Output-to-battery or ground shorts
- Tweeter connected
Designed with advanced gate drive to meet CISPR25-L5 EMC specification
- Class-D at 2.1 MHz, no AM interference
- Spread Spectrum mode, Phase Offset, Slew Rate Control
Protection
- 40 V Load dump
- Output short protection
- DC offset and over temperature
- Fortuitous open ground and power tolerant
Audio inputs
- 4 Channel single-ended analog input
- 10 dB, 16 dB, 22 dB or 28 dB Gain option
Supports parallel channel drive (PBTL)
Audio performance into 4 Ω at 14.4 V, 1 kHz
- THD+N < 0.006%
- 42 µV_RMS Output Noise
- 80 dB PSRR
- Efficiency > 80%
Special features
- Programmable clip detection
- Load current limiter
- Thermal gain foldback
- Fast and autonomous startup diagnostics
- AC load impedance measurement with < 10 mA load current

Specifications

Audio input type	Analog Input	Architecture	Class-D
Speaker channels (max)	4	Rating	Automotive
Power stage supply (max) (V)	18	Power stage supply (min) (V)	4.5
Load (min) (Ω)	2	Output power (W)	45
THD + N at 1 kHz (%)	0.09	Iq (typ) (mA)	175
Control interface	I2C	Closed/open loop	Closed
Analog supply (min) (V)	4.5	Analog supply voltage (max) (V)	18
Sampling rate (max) (kHz)	96	PSRR (dB)	75
Operating temperature range (°C)	-40 to 125	Pin Count	44
Released Date	May 27, 2021	Last Modified Date	Mar 7, 2023 4:10 PM UTC