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TAS2553 Datasheet(PDF) 5 Page - Texas Instruments |
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TAS2553 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 58 page  TAS2553 www.ti.com SLAS978B – SEPTEMBER 2013 – REVISED FEBRUARY 2014 6.5 Electrical Characteristics VBAT = 3.6 V, AVDD = IOVDD = 1.8 V, EN = IOVDD, SWS = 0, Gain = 15 dB, ERC = 14 ns, RL = 8 Ω + 33 µH, 48 kHz sample rate for digital input (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT BOOST CONVERTER Average voltage (w/o including ripple). Boost Output Voltage Includes load regulation (0-0.6A) and line 7.5 V regulation (VBAT = 3.0 – 4.8V). Boost Converter Switching Frequency 1.8 MHz CLASS-D CHANNEL Max Analog Input For THD+N < 1% 1 VRMS Full-Scale DAC Output All digital interface modes 1 VRMS Load Resistance (Load Spec 6 8 Ω Reisistance) Class-D Frequency 764 kHz VBAT = 3.0 – 4.8 V, Pout = 1 W Class-D + Boost Efficiency 67% (sinewave) Class-D Output Current Limit (Short VBOOST = 7.5 V, OUT– shorted to VBAT 3.7 A Circuit Protection) or VBOOST VBAT = 3.6 V, AV = 15 dB, RL = 8 Ω, Class-D Output Offset Voltage in input shorted to ground through single -7.4 4.6 mV Analog Input Mode capacitor Class-D Output Offset Voltage in VBAT = 3.6 V, AV = 15 dB, RL =8 Ω, 0's -9.8 5.6 mV Digital Input Mode data Programmable Channel Gain Range Typical value, analog and digital input -7 dB (PGA + class-D), minimum Programmable Channel Gain Range Typical value, analog and digital input 24 dB (PGA + class-D), maximum Programmable Channel Gain Step Typical value, analog and digital input 1 dB (PGA + class-D) Mute Attenuation Device in shutdown, digital input only 103 dB Ripple of 200mVpp @ 217 Hz, Gain = 15 63 dB, analog and digital input VBAT Power Supply Rejection Ratio Ripple of 200mVpp @ 1 kHz, Gain = 15 60 dB (PSRR) dB, analog and digital input Ripple of 200mVpp @ 4 kHz, Gain = 15 60 dB, analog and digital input Ripple of 200mVpp @ 217 Hz, Gain = 15 69 dB, analog and digital input AVDD Power Supply Rejection Ratio Ripple of 200mVpp @ 1 kHz, Gain = 15 67 dB (PSRR) dB, analog and digital input Ripple of 200mVpp @ 4 kHz, Gain = 15 62 dB, analog and digital input Ripple of 200mVpp @ 217 Hz, Gain = 15 Common Mode Rejection Ratio 59 dB dB, analog input 1 kHz, Po = 0.1W, VBAT = 3.6 V, 0.6% RL = 8 Ω 1 kHz, Po = 0.5W, VBAT = 3.6 V, 0.7% THD+N RL = 8 Ω 1 kHz, Po = 1 W, VBAT = 3.6 V, RL = 8 Ω 0.9% 1 kHz, Po = 2 W, VBAT = 3.6 V, RL = 8 Ω 1.3% A-wt Filter, Gain = 15 dB, DAC modulator 131% switching Output Integrated Noise (20Hz-20kHz) µV - 8 Ω A-wt Filter, Gain = 15 dB, Analog In, 173% Inputs shorted Copyright © 2013–2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TAS2553 |
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