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PCM1798DBR Datasheet(PDF) 5 Page - Texas Instruments |
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PCM1798DBR Datasheet(HTML) 5 Page - Texas Instruments |
5 / 30 page PCM1798 www.ti.com SLES102B – DECEMBER 2003 – REVISED MARCH 2015 6.5 Electrical Characteristics All specifications at TA = 25°C, VCC1 = VCC2L = VCC2R = 5 V, VDD = 3.3 V, fS = 44.1 kHz, system clock = 256 fS, and 24-bit data (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Resolution 24 Bits DATA FORMAT Audio data interface format Standard, I2S, left-justified Audio data bit length 16-, 24-bit selectable Audio data format MSB first, 2s complement fS Sampling frequency 10 200 kHz System clock frequency 128, 192, 256, 384, 512, 768 fS DIGITAL INPUT/OUTPUT Logic family TTL compatible VIH 2 Input logic level VDC VIL 0.8 IIH VIN = VDD 10 Input logic current µA IIL VIN = 0 V –10 VOH IOH = –2 mA 2.4 Output logic level VDC VOL IOL = 2 mA 0.4 DYNAMIC PERFORMANCE(1)(2) fS = 44.1 kHz 0.0005% 0.001% THD+N at VOUT = 0 dB fS = 96 kHz 0.00% fS = 192 kHz 0.0015% EIAJ, A-weighted, fS = 44.1 kHz 120 123 Dynamic range EIAJ, A-weighted, fS = 96 kHz 123 dB EIAJ, A-weighted, fS = 192 kHz 123 EIAJ, A-weighted, fS = 44.1 kHz 120 123 Signal-to-noise ratio EIAJ, A-weighted, fS = 96 kHz 123 dB EIAJ, A-weighted, fS = 192 kHz 123 fS = 44.1 kHz 116 119 Channel separation fS = 96 kHz 118 dB fS = 192 kHz 117 Level linearity error VOUT = –120 dB ±1 dB DYNAMIC PERFORMANCE (MONO MODE) (1)(2)(3) fS = 44.1 kHz 0.0005% THD+N at VOUT = 0 dB fS = 96 kHz 0.001% fS = 192 kHz 0.0015% EIAJ, A-weighted, fS = 44.1 kHz 126 Dynamic range EIAJ, A-weighted, fS = 96 kHz 126 dB EIAJ, A-weighted, fS = 192 kHz 126 EIAJ, A-weighted, fS = 44.1 kHz 126 Signal-to-noise ratio EIAJ, A-weighted, fS = 96 kHz 126 dB EIAJ, A-weighted, fS = 192 kHz 126 (1) Filter conditions: THD+N: 20-Hz HPF, 20-kHz AES17 LPF Dynamic range: 20-Hz HPF, 20-kHz AES17 LPF, A-weighted Signal-to-noise ratio: 20-Hz HPF, 20-kHz AES17 LPF, A-weighted Channel separation: 20-Hz HPF, 20-kHz AES17 LPF Analog performance specifications are measured using the System Two™ Cascade audio measurement system by Audio Precision™ in the averaging mode. (2) Dynamic performance and dc accuracy are specified at the output of the post amplifier as shown in Figure 32. (3) Dynamic performance and dc accuracy are specified at the output of the measurement circuit as shown in Figure 33. Copyright © 2003–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: PCM1798 |
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