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DA7217 Datasheet(PDF) 18 Page - Dialog Semiconductor |
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DA7217 Datasheet(HTML) 18 Page - Dialog Semiconductor |
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18 / 171 page  DA7217 Ultra-Low Power Stereo Codec Datasheet Revision 2.5 01 Sep 2016 CFR0011-120-00 18 of 171 © 2016 Dialog Semiconductor Description Condition Min Typ Max Unit VDD = 2.5 V, THD < 0.005 %, RLOAD = 32 Ω, 1 kHz 58 Maximum output power per channel (single supply mode) VDD = 1.8 V, THD < 0.1 %, RLOAD = 32 Ω, 1 kHz 19 VDD = 2.5 V, THD < 0.1 %, RLOAD = 32 Ω, 1 kHz 49 Quiescent current per channel 150 µA Load resistance 26 32 Ω Load capacitance 500 pF Load inductance 400 µH Frequency Response 20 Hz to 20 kHz -0.5 +0.5 dB Signal to noise ratio VDD = 1.8 V, 0 dB gain A-weighted 98 dB VDD = 2.5 V, 0 dB gain A-weighted 100 dB Output noise level 20 Hz to 20 kHz, <20 dB gain 2.5 µVRMS Total harmonic distortion plus noise VDD = 1.8 V, RLOAD = 32 Ω, - 5 dBFS, 1 kHz −88 dB Channel separation [3] VDD = 1.8V, RLOAD = 32 Ω, 1 kHz -110 dB Programmable gain −57 6 dB Gain step size 1.5 dB Absolute gain accuracy 0 dB @ 1 kHz −0.8 0.8 dB Left/right gain mismatch 20 Hz to 20 kHz −0.1 0.1 dB Gain step error 20 Hz to 20 kHz −0.1 0.1 dB Amplitude ripple 20 Hz to 20 kHz −0.5 0.5 dB Mute attenuation [2] −70 dB Power supply rejection ratio 20 Hz to 2 kHz 2 kHz to 20 kHz 70 50 dB Crosstalk 2 kHz to 20 kHz 100 dB Table 12: Electrical Characteristics: Output Amplifier Description Condition Min Typ Max Unit Full-scale input signal 0 dBFS output from the DAC 1.6 * VDD VPP Programmable gain −1.0 0 dB Gain step size 0.5 dB Absolute gain accuracy 0 dB @ 1 kHz -1.0 1.0 dB Amplitude ripple 20 Hz to 20 kHz -0.5 0.5 dB Power supply rejection ratio 20 Hz to 2 kHz 2 kHz to 20 kHz 90 70 dB |
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