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TAS2564 Datasheet(PDF) 7 Page - Texas Instruments |
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TAS2564 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 118 page  7 TAS2564 www.ti.com SLASEI6A – OCTOBER 2019 – REVISED DECEMBER 2019 Product Folder Links: TAS2564 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated Electrical Characteristics (continued) TA = 25 °C, VBAT = 3.8 V, (External PVDD = 12 V), VDD = 1.8 V, RL = 8Ω + 33 µH, fin = 1 kHz, SSM, fs = 48 kHz, Gain = 17.5 dBV (External PVDD Gain=18 dBV), SDZ = 1, Thermal Foldback Disabled, Measured filter free with an Audio Precision with a 22 Hz to 20 kHz un-weighted bandwidth (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT KCP Click and pop performance Into and out of Mute, Shutdown, Power Up, Power Down and audio clocks starting and stopping. Measured with APx Plugin. 3.4 mV Programmable digital gain range 0 23 dBV Programmable digital gain step size 0.5 dB AVERROR Amplifier gain error POUT = 1 W ±0.1 dB Mute attenuation Device in Shutdown or Muted in Normal Operation 110 dB VBAT power-supply rejection ratio VBAT = 3.8 V + 200 mVpp, fripple = 217 Hz 108 dB VBAT = 3.8 V + 200 mVpp, fripple = 20 kHz 90 dB AVDD power-supply rejection ratio VDD = 1.8 V + 200 mVpp, fripple = 217 Hz 98 dB VDD = 1.8 V + 200 mVpp, fripple = 20 kHz 93 dB Turn on time from release of SW shutdown No Volume Ramping 1.8 ms Volume Ramping 4.5 ms Turn off time from assertion of SW shutdown to amp Hi-Z No Volume Ramping 0.75 ms Volume Ramping 12.5 ms AMPLIFIER PERFORMANCE - Receiver Mode Output Voltage for Full-scale digital Input Measured at -6 dB FS input and scaled by 6dB 2 Vrms POUT Maximum Continuous Output Power RL = 32Ω + 33 µH, THD+N = 0.03 %, fin = 1 kHz 124.4 mW RL = 8 Ω + 33 µH, THD+N = 0.03 %, fin = 1 kHz 0.45 W System efficiency at POUT = 100 mW RL = 8 Ω + 33 µH, fin = 1 kHz 63.5 % RL = 8 Ω + 33 µH, fin = 1 kHz, VBAT = 4.2 V 65.5 % System efficiency at POUT =0.45 W RL = 8 Ω + 33 µH, fin = 1 kHz 84.5 % RL = 8 Ω + 33 µH, fin = 1 kHz, VBAT = 4.2 V 85 % THD+N Total harmonic distortion + noise POUT = 1 W, RL = 8 Ω + 33 µH, fin = 1 kHz .01 % VN Idle channel noise A-Weighted, 20 Hz - 20 kHz, DAC Modulator Running 10 µV FPWM Class-D PWM switching frequency Average frequency in Spread Spectrum Mode, CLASSD_SYNC=0 384 kHz Fixed Frequency Mode, CLASSD_SYNC=0 384 kHz Fixed Frequency Mode, CLASSD_SYNC=1, fs = 44.1, 88.2, 174.6 kHz 352.8 kHz Fixed Frequency Mode, CLASSD_SYNC=1, fs = 48, 96, 192 kHz 384 kHz VOS Output offset voltage -1 1 mV DNR Dynamic range A-Weighted, -60 dBFS Method 101.2 dB SNR Signal to noise ratio A-Weighted, Referenced to 1 % THD+N Output Level 105.73 dB KCP Click and pop performance Into and out of Mute, Shutdown, Power Up, Power Down and audio clocks starting and stopping. Measured with APx Plugin. 3.4 mV Programmable digital gain range 0 23 dBV Programmable digital gain step size 0.5 dB AVERROR Amplifier gain error POUT = 1 W ±0.1 dB Mute attenuation Device in Shutdown or Muted in Normal Operation 113 dB |
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