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TLV320AIC3111 Datasheet(PDF) 8 Page - Texas Instruments |
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TLV320AIC3111 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 154 page  TLV320AIC3111 SLAS644B – JULY 2009 – REVISED OCTOBER 2009 www.ti.com Electrical Characteristics (continued) At 25°C; AVDD, HPVDD, IOVDD = 3.3V; SPLVDD, SPRVDD = 3.6 V; DVDD = 1.8 V; fS (audio) = 48 kHz; CODEC_CLKIN = 256 × fS; PLL = Off; VOL/MICDET pin disabled (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DAC Digital Interpolation Filter Characteristics See Section 5.6.1.4 for DAC interpolation filter characteristics. DAC Output to Class-D Speaker Output; Load = 8 Ω (Differential), 50 pF SPLVDD = SPRVDD = 3.6 V, BTL measurement, DAC input = 0 dBFS, DAC VCM (page 1 / register 31, bits 2.2 D4–D3) = 1.65 V, class-D gain = 6 dB, THD ≤ –16.5 dB Output voltage Vrms SPLVDD = SPRVDD = 3.6 V, BTL measurement, DAC input = –2 dBFS, DAC VCM (page 1 / register 31, bits 2.1 D4–D3) = 1.65 V, class-D gain = 6 dB, THD ≤ –20 dB SPLVDD = SPRVDD = 3.6 V, BTL measurement, DAC Output, common-mode input = mute, DAC VCM (page 1 / register 31, bits D4–D3) 1.8 V = 1.65 V, class-D gain = 6 dB SPLVDD = SPRVDD = 3.6 V, BTL measurement, class-D SNR Signal-to-noise ratio gain = 6 dB, measured as idle-channel noise, A-weighted 87 dB (with respect to full-scale output value of 2.2 Vrms)(1) (2) SPLVDD = SPRVDD = 3.6 V, BTL measurement, DAC THD Total harmonic distortion input = –6 dBFS, DAC VCM (page 1 / register 31, bits –67 dB D4–D3) = 1.65 V, class-D gain = 6 dB SPLVDD = SPRVDD = 3.6 V, BTL measurement, DAC Total harmonic distortion + THD+N input = –6 dBFS, DAC VCM (page 1 / register 31, bits –66 dB noise D4–D3) = 1.65 V, class-D gain = 6 dB SPLVDD = SPRVDD = 3.6 V, BTL measurement, ripple on PSRR Power-supply rejection ratio(3) –44 dB SPLVDD/SPRVDD = 200 mVp-p at 1 kHz Mute attenuation 110 dB SPLVDD = SPRVDD = 3.6 V, BTL measurement, DAC VCM (page 1 / register 31, bits D4–D3) = 1.65 V, class-D 540 gain = 18 dB, THD = 10% mW SPLVDD = SPRVDD = 4.3 V, BTL measurement, DAC PO Maximum output power VCM (page 1 / register 31, bits D4–D3) = 1.65 V, class-D 790 gain = 18 dB, THD = 10% SPLVDD = SPRVDD = 5.5 V, BTL measurement, DAC VCM (page 1 / register 31, bits D4–D3) = 1.65 V, class-D 1.29 W gain = 18 dB, THD = 10% Output-stage leakage current SPLVDD = SPRVDD = 4.3 V, device is powered down 80 nA for direct battery connection (power-up-reset condition) ADC and DAC POWER CONSUMPTION For ADC and DAC power consumption based on selected processing block, see Section 5.4. (1) Ratio of output level with 1-kHz full-scale sine-wave input, to the output level with the inputs short-circuited, measured A-weighted over a 20-Hz to 20-kHz bandwidth using an audio analyzer. (2) All performance measurements done with 20-kHz low-pass filter and, where noted, A-weighted filter. Failure to use such a filter may result in higher THD+N and lower SNR and dynamic range readings than shown in the Electrical Characteristics. The low-pass filter removes out-of-band noise, which, although not audible, may affect dynamic specification values. (3) DAC to speaker-out PSRR is a differential measurement calculated as PSRR = 20 × log( ΔVSPL(P + M) / ΔVSPLVDD). 8 ELECTRICAL SPECIFICATIONS Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TLV320AIC3111 |
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