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PCM5121 Datasheet(PDF) 9 Page - Texas Instruments |
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PCM5121 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 121 page  9 PCM5121, PCM5122 www.ti.com SLAS763C – AUGUST 2012 – REVISED OCTOBER 2018 Product Folder Links: PCM5121 PCM5122 Submit Documentation Feedback Copyright © 2012–2018, Texas Instruments Incorporated Electrical Characteristics (continued) TA = 25°C, AVDD = CPVDD = DVDD = 3.3 V, fS = 48 kHz, system clock = 512 fS and 24-bit data (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (4) Power-down mode, with LRCK, BCK, and SCK halted at low level. ANALOG OUTPUT Single-ended output voltage 2.1 VRMS Gain error –6 ±2.0 6 % of FSR Gain mismatch, channel-to-channel –6 ±0.5 6 % of FSR Load impedance 5 kΩ FILTER CHARACTERISTICS–1: NORMAL (8x) Pass band 0.45 × fS kHz Stop band 0.55 × fS kHz Stop band attenuation –60 dB Pass-band ripple ±0.02 dB Delay time 20 × tS s FILTER CHARACTERISTICS–2: LOW LATENCY (8x) Pass band 0.47 × fS kHz Stop band 0.55 × fS kHz Stop band attenuation –52 dB Pass-band ripple ±0.0001 dB Delay time 3.5 × tS s FILTER CHARACTERISTICS–3: ASYMMETRIC FIR (8x) Pass band 0.4 × fS kHz Stop band 0.72 × fS kHz Stop band attenuation –52 dB Pass-band ripple ±0.05 dB Delay time 1.2 × tS s FILTER CHARACTERISTICS–4: HIGH-ATTENUATION (8x) Pass band 0.45 × fS kHz Stop band 0.45 × fS kHz Stop band attenuation –100 dB Pass-band ripple ±0.0005 dB Delay time 33.7 × tS s POWER SUPPLY REQUIREMENTS DVDD Digital supply voltage Target DVDD = 1.8 V 1.65 1.8 1.95 VDC DVDD Digital supply voltage Target DVDD = 3.3 V 3 3.3 3.6 VDC AVDD Analog supply voltage 3 3.3 3.6 VDC CPVDD Charge-pump supply voltage 3 3.3 3.6 VDC IDD DVDD supply current at 1.8 V fS = 48 kHz, input is bipolar zero data 11 14 mA fS = 96 kHz, input is bipolar zero data 12 fS = 192 kHz, input is bipolar zero data 14 IDD DVDD supply current at 1.8 V fS = 48 kHz, input is 1 kHz – 1 dBFS data 11 14 mA fS = 96 kHz, input is 1 kHz – 1 dBFS data 12 fS = 192 kHz, input is 1 kHz – 1 dBFS data 14 IDD DVDD supply current at 1.8 V (4) fS = N/A, power-down mode 0.3 0.6 mA |
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