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ADC3908CSSS 数据表(PDF) 19 Page - Texas Instruments |
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ADC3908CSSS 数据表(HTML) 19 Page - Texas Instruments |
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19 / 47 page ![]() 6.14 Typical Characteristics - 125MSPS Typical values at TA = 25°C, ADC sampling rate = 125MSPS, AIN = –1dBFS, differential input, AVDD = IOVDD = 1.8V, internal 1.2V voltage reference, unless otherwise noted. Input Frequency (MHz) 0 5 10 15 20 25 30 35 40 45 50 55 6062.5 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 SNR = 49.8dBFS, SFDR = 62dBc, Non-HD23 = 69dBFS Figure 6-36. Single Tone FFT at FIN = 10MHz Input Frequency (MHz) 0 10 20 30 40 50 60 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 SNR = 49.5dBFS, SFDR = 63dBc, Non-HD23 = 69dBFS Figure 6-37. Single Tone FFT at FIN = 5MHz, Single-ended input Input Frequency (MHz) 0 10 20 30 40 50 60 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 SNR = 49.8dBFS, SFDR = 66dBc, Non-HD23 = 69dBFS Figure 6-38. Single Tone FFT at FIN = 40MHz Input Frequency (MHz) 0 10 20 30 40 50 60 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 SNR = 49.8dBFS, SFDR = 60dBc, Non-HD23 = 68dBFS Figure 6-39. Single Tone FFT at FIN = 70MHz Input Frequency (MHz) 0 10 20 30 40 50 60 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 SNR = 49.8dBFS, SFDR = 67dBc, Non-HD23 = 68dBFS Figure 6-40. Single Tone FFT at FIN = 90MHz Input Frequency (MHz) 0 10 20 30 40 50 60 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 AIN = -7dBFS/tone, IMD3 = -87dBc Figure 6-41. Two Tone FFT at FIN = 8/10MHz www.ti.com ADC3908D025, ADC3908D065, ADC3908D125 ADC3908S025, ADC3908S065, ADC3908S125 SBASAU9 – OCTOBER 2024 Copyright © 2024 Texas Instruments Incorporated Submit Document Feedback 19 Product Folder Links: ADC3908D025 ADC3908D065 ADC3908D125 ADC3908S025 ADC3908S065 ADC3908S125 |
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