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TLV320AIC14KIRHBR Datasheet(PDF) 9 Page - Texas Instruments |
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TLV320AIC14KIRHBR Datasheet(HTML) 9 Page - Texas Instruments |
9 / 63 page www.ti.com DAC Path Filter DAC DYNAMIC PERFORMANCE TLV320AIC12, TLV320AIC13 TLV320AIC14, TLV320AIC15 TLV320AIC12K, TLV320AIC14K SLWS115E – OCTOBER 2001 – REVISED JANUARY 2007 Fs = 8 KHz (1)(2) TEST PARAMETER MIN TYP MAX MIN TYP MAX UNIT CONDITIONS FIR FILTER IIR FILTER 0 Hz to 30 Hz -0.5 0.2 -0.5 0.2 300 Hz to 3 Hz -0.25 0.25 -0.25 0.35 3.3 Hz -0.35 0.3 -0.75 0.3 Filter gain relative to gain dB at 1020 Hz 3.6 KHz -3 -3 4 kHz -40 -20 ≥ 4.4 KHz -74 -60 (1) The filter gain outside of the passband is measured with respect to the gain at 1020 Hz. The input signal is the digital equivalent of a sine wave (digital full scale = 0 dB). The nominal differential DAC channel output with this input condition = 4 VI(PP). The pass band is 0 to 3600 Hz for an 8-KHz sample rate. This pass band scales linearly with the sample rate. (2) The filter characteristics are specified by design and are not tested in production. TEST PARAMETER MIN TYP MAX MIN TYP MAX UNIT CONDITIONS AIC12/13/14/15 AIC12k/14k DAC Line Output (OUTP1, OUTM1)(1) VI = 0 dB 80 92 75 92 SNR Signal-to-noise ratio VI = -9 dB 75 83 83 VI = -40 dB 51 VI = 0 dB 78 85 70 85 Total harmonic THD VI = -9 dB 74 83 83 dB distortion VI = -40 dB 62 VI = 0 dB 75 82 82 Signal-to-total harmonic THD+N VI = -9 dB 70 77 77 distortion + noise VI = -40 dB 44 DAC Headphone Output (OUTP2, OUTP3) (1) (2) VI = 0 dB 78 89 89 SNR Signal-to-noise ratio dB VI = -9 dB 71 81 81 VI = 0 dB 78 82 82 Total harmonic THD dB distortion VI = -9 dB 73 80 80 VI = 0 dB 75 80 80 Signal-to-total harmonic THD+N dB distortion + noise VI = -9 dB 69 78 78 DAC Speaker Output (OUTP2, OUTMV) (1) (3) SNR Signal-to-noise ratio VI = 0 dB 91 dB Total harmonic THD VI = 0 dB 80 dB distortion (1) The test condition is the digital equivalent of a 1020 Hz input signal with an 8-kHz conversion rate. The test is measured at output of application schematic low-pass filter. The test is conducted in 16-bit mode. (2) The DAC headphone output spec between OUTP2, OUTP3, and OUTMV is valid only for the AIC12/13 and the AIC12K (3) The DAC speaker output spec between OUTP2, OUTP3, and OUTMV is valid only for the AIC12K. 9 Submit Documentation Feedback |
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