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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AFE5808A датащи(PDF) 13 Page - Texas Instruments |
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AFE5808A датащи(HTML) 13 Page - Texas Instruments |
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13 / 83 page  AFE5808A www.ti.com SLOS729D – OCTOBER 2011 – REVISED NOVEMBER 2015 Electrical Characteristics (continued) At AVDD_5 V = 5 V, AVDD = 3.3 V, AVDD_ADC = 1.8 V, DVDD = 1.8 V, ac-coupled with 0.1 µF at INP and bypassed to ground with 15 nF at INM, no active termination, VCNTL = 0 V, fIN = 5 MHz, LNA = 18 dB, PGA = 24 dB, 14 bit, sample rate = 65 MSPS, LPF filter = 15 MHz, low-noise mode, VOUT = –1 dBFS, internal 500-Ω CW feedback resistor, CMOS CW clocks, ADC configured in internal reference mode, single-ended VCNTL mode, VCNTLM = GND, at ambient temperature TA = 25°C (unless otherwise noted). Min and max values are specified across full-temperature range with AVDD_5 V = 5 V, AVDD = 3.3 V, AVDD_ADC = 1.8 V, DVDD = 1.8 V PARAMETER TEST CONDITION MIN TYP MAX UNIT CW SUMMING AMPLIFIER VCMO Common-mode voltage Summing amplifier inputs/outputs 1.5 V Summing amplifier output 4 VPP 100 Hz 2 nV/ √Hz Input referred voltage noise 1 kHz 1.2 nV/ √Hz 2 kHz to 100 MHz 1 nV/ √Hz Input referred current noise 2.5 pA/ √Hz Unit gain bandwidth 200 MHz Max output current Linear operation range 20 mApp ADC SPECIFICATIONS Sample rate 10 65 MSPS SNR Signal-to-noise ratio Idle channel SNR of ADC 14b 77 dBFS REFP 1.5 V Internal reference mode REFM 0.5 V VREF_IN voltage 1.4 V External reference mode VREF_IN current 50 µA ADC input full-scale range 2 VPP LVDS Rate 65 MSPS at 14 bit 910 Mbps POWER DISSIPATION AVDD Voltage 3.15 3.3 3.6 V AVDD_ADC Voltage 1.7 1.8 1.9 V AVDD_5V Voltage 4.75 5 5.5 V DVDD Voltage 1.7 1.8 1.9 V TGC low-noise mode, 65 MSPS 158 190 TGC low-noise mode, 40 MSPS 145 Total power dissipation per channel mW/CH TGC medium-power mode, 40 MSPS 114 TGC low-power mode, 40 MSPS 101.5 TGC low-noise mode, no signal 202 240 TGC medium-power mode, no signal 126 TGC low-power mode, no signal 99 CW-mode, no signal 147 170 AVDD (3.3V) Current mA TGC low-noise mode, 500-mVPP input,1% duty cycle 210 TGC medium-power mode, 500-mVPP input, 1% duty cycle 133 TGC low-power mode, 500-mVPP input, 1% duty cycle 105 CW-mode, 500-mVPP input 375 TGC mode, no signal 25.5 35 CW mode, no signal, 16X clock = 32 MHz 32 AVDD_5V Current mA TGC mode, 500 mVPP input,1% duty cycle 26 CW-mode, 500 mVPP input 42.5 TGC low-noise mode, no signal 99 121 TGC medium-power mode, no signal 68 TGC low-power mode, no signal 55.5 VCA Power dissipation mW/CH TGC low-noise mode, 500 mVPP input,1% duty cycle 102.5 TGC medium-power mode, 500 mVPP Input, 1% duty cycle 71 TGC low-power mode, 500 mVPP input,1% duty cycle 59.5 CW Power dissipation No signal, ADC shutdown, CW mode, no signal, 16X clock = 32 MHz 80 mW/CH 500 mVPP input, ADC shutdown , 16X clock = 32 MHz 173 AVDD_ADC(1.8V) Current 65 MSPS 187 205 mA DVDD(1.8V) Current 65 MSPS 77 110 mA Copyright © 2011–2015, Texas Instruments Incorporated Submit Documentation Feedback 13 Product Folder Links: AFE5808A |
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