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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS43131 датащи(PDF) 23 Page - Cirrus Logic |
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CS43131 датащи(HTML) 23 Page - Cirrus Logic |
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23 / 156 page  DS1155F1 23 CS43131 3 Characteristics and Specifications PLL reference clock input — — — — — — — — — — — 11.2896 22.5792 12.2880 24.5760 9.6000 19.2000 12.0000 24.0000 13.0000 26.000 — — — — — — — — — — MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz PLL reference clock input jitter — — — 50 ps Table 3-16. Crystal Characteristics Test conditions (unless specified otherwise): GNDD = GNDCP = GNDA = 0 V; voltages are with respect to ground; VP = 3.6 V, VCP = VA = 1.8 V, VL = VD = 1.8 V; TA = +25°C Parameters 1 1.Refer to Section 5.3 for supported crystal options. Symbol Minimum Typical Maximum Units Crystal oscillator frequency fXTAL 22.57 22.5792/ 24.576 24.58 MHz Crystal load capacitance CL_XTAL 5— 8 pF Equivalent series resistance esrXTAL —— 100 Startup time tXTAL_pup —— 6.5 ms Shunt capacitance CO —— 0.8 pF Maximum drive level — 200 — — µW Table 3-17. Power-Supply Rejection Ratio (PSRR) Characteristics Test conditions (unless specified otherwise): Fig. 2-1 shows CS43131 connections; input test signal held low (all zero data); GNDA = GNDL = GNDCP = 0 V; voltages are with respect to ground; VL = VA = VD = 1.8 V, VP = 3.6 V; When testing PSRR, PCM input test signal held low (all zero data); TA = +25°C; PCM_AMUTE = 0. Parameter 1 1.PSRR test configuration: Typical PSRR can vary by approximately 6 dB below the indicated values. Minimum Typical Maximum Units HPOUTx PSRR with 100-mVpp signal AC coupled to VA supply PDN_HP = 0, HP_IN_EN = 0 217 Hz 1 kHz 20 kHz — — — 75 75 70 — — — dB dB dB HPOUTx PSRR with 100-mVpp signal AC coupled to VCP supply PDN_HP = 0, HP_IN_EN = 0 217 Hz 1 kHz 20 kHz — — — 80 80 60 — — — dB dB dB HPOUTx PSRR with 100-mVpp signal AC coupled to VP supply PDN_HP = 0, HP_IN_EN = 0 217 Hz 1 kHz 20 kHz — — — 100 100 80 — — — dB dB dB HPOUTx (0-dB analog gain) PSRR with 100-mVpp signal AC coupled to VCP supply PDN_HP = 1, HP_IN_EN = 1, RL = 32 217 Hz 1 kHz 20 kHz — — — 80 80 60 — — — dB dB dB HPOUTx (0-dB analog gain) PSRR with 100-mVpp signal AC coupled to VP supply PDN_HP = 1, HP_IN_EN = 1, RL = 32 217 Hz 1 kHz 20 kHz — — — 100 100 80 — — — dB dB dB Table 3-15. PLL Characteristics (Cont.) Test conditions (unless specified otherwise): GNDD = GNDCP = GNDA = 0 V; voltages are with respect to ground; VP = 3.6 V, VCP = VA = 1.8 V, VL = VD = 1.8 V; PLL reference input must meet the phase-noise mask specified in Fig. 4-15; TA = +25°C. Parameters Symbol Minimum Typical Maximum Units Operational Amplifier OUT GND Power DAC OUT GND PWR DUT +5 V +5 V + +– – + – OUT Analog Generator Analog Analyzer Analog Test Equipment Analog Output PSRR |
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