TPA2005D1DRBQ1 ,Automotive Catalog 1.4-W Mono Filter-Free Class-D Audio Power Amplifier 8-SON -40 to 85Features like 84% efficiency, –71-dB PSRR at– 79% at 100 mW217 Hz, improved RF-rectification immuni ..
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TPA2005D1DRBQ1
Automotive Catalog 1.4-W Mono Filter-Free Class-D Audio Power Amplifier
IN+
PWM H–
VO+
VO–
Internal
Oscillator CS
To Battery
VDD
Product
Sample &
Technical
Tools &
Support &
T-suffix): –40°Cto +105°C Ambient Operating
Temperature Range Device HBM Classification Level2 Device CDM Classification Level C5 1.4W Into8Ω Froma 5-V Supplyat
THD= 10% (Typical) Maximum Battery Life and Minimum Heat Efficiency Withan 8-Ω Speaker: 84%at 400 mW 79%at 100 mW 2.8-mA Quiescent Current 0.5-μA Shutdown Current Only Three External Components Optimized PWM Output Stage Eliminates LC
Output Filter Internally Generated 250-kHz Switching
Frequency Eliminates Capacitor and Resistor Improved PSRR
Supply Voltage (2.5Vto 5.5V) Eliminates
Need fora Voltage Regulator Fully Differential Design Reduces RF
Rectification and Eliminates Bypass Capacitor Improved CMRR Eliminates Two Input
Coupling Capacitors Space-Saving Packages Telematics Emergency Call (eCall) Noise Generator
DescriptionThe TPA2005D1-Q1 deviceisa 1.4-W high-efficiency
filter-free class-D audio power amplifierina SONor
MSOP-PowerPAD package that requires only three
external components.
Features like 84% efficiency, –71-dB PSRR at
217 Hz, improved RF-rectification immunity, and 15-2 total PCB area make TPA2005D1-Q1 ideal for
low-power audio applications in infotainment and
cluster.
The device allows for independent gain control by
summing the signals from each function while
minimizing noiseto only 48 µVRMS. Additionally, the
TPA2005D1-Q1 device offers fast start-up timeof9 with minimal pop and has short circuit and
thermal protection.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Application Circuit
