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ADAU1461WBCPZ-R7 Datasheet(PDF) 6 Page - Analog Devices |
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ADAU1461WBCPZ-R7 Datasheet(HTML) 6 Page - Analog Devices |
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6 / 89 page  ADAU1461 Rev. 0 | Page 5 of 88 Parameter Test Conditions/Comments Min Typ Max Unit Total Harmonic Distortion + Noise 0 dBFS, 10 kΩ load Line Output Mode −92 −77 dB Headphone Output Mode −89 −79 dB Signal-to-Noise Ratio Line output mode With A-Weighted Filter (RMS) 101 dB No Filter (RMS) 98 dB Mute Attenuation Mixer 3 and Mixer 4 Muted MX3RM, MX3LM, MX4RM, MX4LM = 0, MX3AUXG[3:0], MX4AUXG[3:0] = 0000, MX3G1[3:0], MX3G2[3:0] = 0000, MX4G1[3:0], MX4G2[3:0] = 0000 −85 −78 dB Mixer 5, Mixer 6, and Mixer 7 Muted MX5G3[1:0], MX5G4[1:0], MX6G3[1:0], MX6G4[1:0], MX7[1:0] = 00 −89 −80 dB All Volume Controls Muted LOUTM, ROUTM = 0 −82 −74 dB MONOM, LHPM, RHPM = 0 −74 −69 dB Interchannel Gain Mismatch −0.3 −0.005 +0.3 dB Offset Error −22 0 +22 mV Gain Error −10 +3 +10 % Interchannel Isolation 1 kHz, 0 dBFS input signal 100 dB Power Supply Rejection Ratio CM capacitor = 20 μF, 100 mV p-p @ 1 kHz 70 dB DAC TO HEADPHONE/EARPIECE OUTPUT LOUTx, ROUTx, LHP, RHP in headphone output mode; PO = output power per channel Full-Scale Output Voltage (0 dB) Scales linearly with AVDD 0.92 (2.60) V rms (V p-p) Total Harmonic Distortion + Noise −4 dBFS, 16 Ω load, PO = 21.1 mW −82 dB −4 dBFS, 32 Ω load, PO = 10.6 mW −82 dB Capless Headphone Mode −2 dBFS, 16 Ω load −78 −71 dB −2 dBFS, 32 Ω load −75 −65 dB Headphone Output Mode 0 dBFS, 10 kΩ load −86 −77 dB Interchannel Isolation 1 kHz, 0 dBFS input signal, 32 Ω load Referred to GND 73 dB Referred to CM (capless headphone mode) 50 dB Power Supply Rejection Ratio CM capacitor = 20 μF, 100 mV p-p @ 1 kHz 67 dB REFERENCE Common-Mode Reference Output CM pin 1.62 1.65 1.67 V ANALOG PERFORMANCE SPECIFICATIONS, −40°C < TA < +105°C IOVDD = 3.3 V ± 10%. Table 2. Parameter Test Conditions/Comments Min Typ Max Unit SINGLE-ENDED LINE INPUT Dynamic Range 20 Hz to 20 kHz, −60 dB input With A-Weighted Filter (RMS) 74 dB No Filter (RMS) 71 dB Total Harmonic Distortion + Noise −1 dBFS −67 dB Input Mixer Gain per Step −12 dB to +6 dB range 2.88 3.09 dB Mute Attenuation LINPG[2:0], LINNG[2:0] = 000, RINPG[2:0], RINNG[2:0] = 000, MX1AUXG[2:0], MX2AUXG[2:0] = 000 −77 dB Interchannel Gain Mismatch −0.5 +0.5 dB Offset Error −5 +5 mV Gain Error −22 −6 % |
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