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TPA2005D1DRBQ1 데이터시트(PDF) 1 Page - Texas Instruments |
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TPA2005D1DRBQ1 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 37 page _ + IN– IN+ PWM H– Bridge VO+ VO– Internal Oscillator CS To Battery VDD GND Bias Circuitry RI RI + – Differential Input TPA2005D1 SHUTDOWN Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPA2005D1-Q1 SLOS474D – AUGUST 2005 – REVISED DECEMBER 2015 TPA2005D1-Q1 1.4-W Mono Filter-Free Class-D Audio Power Amplifier 1 Features 3 Description The TPA2005D1-Q1 is a 1.4-W high-efficiency filter- 1 • Qualified for Automotive Applications free class-D audio power amplifier in a SON or • AEC-Q100 Qualified With the Following Results: MSOP package that requires only three external – Device Temperature Grade 3 (DRB and DGN components. package non T-suffix): -40°C to 85°C Ambient Features like 84% efficiency, –71-dB PSRR at Operating Temperature Range 217 Hz, improved RF-rectification immunity, and 15- – Device Temperature Grade 2 (DGN package mm2 total PCB area make TPA2005D1-Q1 ideal for T-suffix): -40°C to 105°C Ambient Operating low-power audio applications in infotainment and cluster. Temperature Range – Device HBM Classification Level 2 The device allows for independent gain control by summing the signals from each function while – Device CDM Classification Level C5 minimizing noise to only 48µVRMS. Additionally, the • 1.4 W Into 8 Ω From a 5-V Supply at TPA2005D1-Q1 offers fast start-up time of 9ms with THD = 10% (Typ) minimal pop and has short circuit and thermal • Maximum Battery Life and Minimum Heat protection. – Efficiency With an 8- Ω Speaker: Device Information(1) – 84% at 400 mW PART NUMBER PACKAGE BODY SIZE (NOM) – 79% at 100 mW MSOP-PowerPAD (8) 3.00 mm × 3.00 mm TPA2005D1-Q1 – 2.8-mA Quiescent Current SON (8) 3.00 mm × 3.00 mm – 0.5- μA Shutdown Current (1) For all available packages, see the orderable addendum at • Only Three External Components the end of the datasheet. – Optimized PWM Output Stage Eliminates LC Application Circuit Output Filter – Internally Generated 250-kHz Switching Frequency Eliminates Capacitor and Resistor – Improved PSRR (–71 dB at 217 Hz) and Wide Supply Voltage (2.5 V to 5.5 V) Eliminates Need for a Voltage Regulator – Fully Differential Design Reduces RF Rectification and Eliminates Bypass Capacitor – Improved CMRR Eliminates Two Input Coupling Capacitors • Space-Saving Packages – 3 mm x 3 mm SON package (DRB) – 3 mm x 5 mm MSOP PowerPAD™ Package (DGN) 2 Applications • Cluster • Head Unit • Telematics • Emergency Call (eCall) • Noise Generator 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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