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AD1934 数据表(PDF) 6 Page - Analog Devices |
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AD1934 数据表(HTML) 6 Page - Analog Devices |
6 / 28 page AD1934 Rev. 0 | Page 6 of 28 DIGITAL FILTERS Table 6. Parameter Mode Factor Min Typ Max Unit DAC INTERPOLATION FILTER Pass Band 48 kHz mode, typ @ 48 kHz 0.4535 fS 22 kHz 96 kHz mode, typ @ 96 kHz 0.3646 fS 35 kHz 192 kHz mode, typ @ 192 kHz 0.3646 fS 70 kHz Pass-Band Ripple 48 kHz mode, typ @ 48 kHz ±0.01 dB 96 kHz mode, typ @ 96 kHz ±0.05 dB 192 kHz mode, typ @ 192 kHz ±0.1 dB Transition Band 48 kHz mode, typ @ 48 kHz 0.5 fS 24 kHz 96 kHz mode, typ @ 96 kHz 0.5 fS 48 kHz 192 kHz mode, typ @ 192 kHz 0.5 fS 96 kHz Stop Band 48 kHz mode, typ @ 48 kHz 0.5465 fS 26 kHz 96 kHz mode, typ @ 96 kHz 0.6354 fS 61 kHz 192 kHz mode, typ @ 192 kHz 0.6354 fS 122 kHz Stop-Band Attenuation 48 kHz mode, typ @ 48 kHz 70 dB 96 kHz mode, typ @ 96 kHz 70 dB 192 kHz mode, typ @ 192 kHz 70 dB Group Delay 48 kHz mode, typ @ 48 kHz 25/fS 521 μs 96 kHz mode, typ @ 96 kHz 11/fS 115 μs 192 kHz mode, typ @ 192 kHz 8/fS 42 μs TIMING SPECIFICATIONS −40°C < TA < +130°C, DVDD = 3.3 V ± 10%. Table 7. Parameter Condition Comments Min Max Unit INPUT MASTER CLOCK (MCLK) AND RESET tMH MCLK duty cycle DAC clock source = PLL clock @ 256 fS, 384 fS, 512 fS, 768 fS 40 60 % tMH DAC clock source = direct MCLK @ 512 fS (bypass on-chip PLL) 40 60 % fMCLK MCLK frequency PLL mode, 256 fS reference 6.9 13.8 MHz fMCLK Direct 512 fS mode 27.6 MHz tPDR RST low 15 ns tPDRR RST recovery Reset to active output 4096 tMCLK PLL Lock Time MCLK and LRCLK input 10 ms 256 fS VCO Clock, Output Duty Cycle MCLKO Pin 40 60 % SPI PORT See Figure 9 tCCH CCLK high 35 ns tCCL CCLK low 35 ns fCCLK CCLK frequency fCCLK = 1/tCCP, only tCCP shown in Figure 9 10 MHz tCDS CDATA setup To CCLK rising 10 ns tCDH CDATA hold From CCLK rising 10 ns tCLS CLATCH setup To CCLK rising 10 ns tCLH CLATCH hold From CCLK falling 10 ns tCLHIGH CLATCH high Not shown in Figure 9 10 ns tCOE COUT enable From CCLK falling 30 ns tCOD COUT delay From CCLK falling 30 ns tCOH COUT hold From CCLK falling, not shown in Figure 9 30 ns tCOTS COUT tri-state From CCLK falling 30 ns |
类似零件编号 - AD1934 |
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类似说明 - AD1934 |
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