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TAS5112ADFDRG4 Datasheet(PDF) 5 Page - Texas Instruments |
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TAS5112ADFDRG4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 22 page TAS5112A SLES094A - OCTOBER 2003 - REVISED MARCH 2004 www.ti.com 5 RECOMMENDED OPERATING CONDITIONS MIN TYP MAX UNIT DVDD Digital supply (1) Relative to DGND 3 3.3 3.6 V GVDD Supply for internal gate drive and logic regulators Relative to GND 16 29.5 30.5 V PVDD_x Half-bridge supply Relative to GND, RL= 6 Ω to 8 Ω 0 29.5 30.5 V TJ Junction temperature 0 125 _C (1) It is recommended for DVDD to be connected to DREG via a 100-Ω resistor. ELECTRICAL CHARACTERISTICS PVDD_X = 29.5 V, GVDD = 29.5 V, DVDD connected to DREG via a 100- Ω resistor, RL = 6 Ω, 8X fs = 384 kHz, unless otherwise noted TYPICAL OVER TEMPERATURE SYMBOL PARAMETER TEST CONDITIONS TA=25°C TA=25°C TCase= 75 °C TA=40°C TO 85 °C UNITS MIN/TYP/ MAX AC PERFORMANCE, BTL Mode, 1 kHz RL = 8 Ω, THD = 0.2%, AES17 filter, 1 kHz 40 W Typ Po Output power RL = 8 Ω, THD = 10%, AES17 filter, 1 kHz 50 W Typ Po Output power RL = 6 Ω, THD = 0.2%, AES17 filter, 1 kHz 50 W Typ RL = 6 Ω, THD = 10%, AES17 filter, 1 kHz 62 W Typ Po = 1 W/ channel, RL = 6 Ω, AES17 filter 0.03% Typ THD+N Total harmonic distortion + noise Po = 10 W/channel, RL = 6 Ω, AES17 filter 0.04% Typ + noise Po = 50 W/channel, RL = 6 Ω, AES17 filter 0.2% Typ Vn Output integrated voltage noise A-weighted, mute, RL = 6 Ω,, 20 Hz to 20 kHz, AES17 filter 260 µV Max SNR Signal-to-noise ratio A-weighted, AES17 filter 96 dB Typ DR Dynamic range f = 1 kHz, A-weighted, AES17 filter 96 dB Typ INTERNAL VOLTAGE REGULATOR DREG Voltage regulator Io = 1 mA, PVDD = 18 V-30.5 V 3.1 V Typ GREG Voltage regulator Io = 1.2 mA, PVDD = 18 V-30.5 V 13.4 V Typ IVGDD GVDD supply current, operating fS = 384 kHz, no load, 50% duty cycle 24 mA Max IDVDD DVDD supply current, operating fS = 384 kHz, no load 1 5 mA Max OUTPUT STAGE MOSFETs RDSon,LS Forward on-resistance, low side TJ = 25°C 155 m Ω Typ RDSon,HS Forward on-resistance, high side TJ = 25°C 155 m Ω Typ |
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