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データシートサーチシステム |
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AFE5808A データシート(PDF) 9 Page - Texas Instruments |
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AFE5808A データシート(HTML) 9 Page - Texas Instruments |
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9 / 66 page  AFE5808A www.ti.com SLOS729B – OCTOBER 2011 – REVISED APRIL 2012 ELECTRICAL CHARACTERISTICS (continued) 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, 14Bit, 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 UNITS CW SUMMING AMPLIFIER VCMO Common-mode voltage Summing amplifier inputs/outputs 1.5 V Summing amplifier output 4 Vpp 100 Hz 2 nV/rtHz Input referred voltage noise 1 kHz 1.2 nV/rtHz 2 KHz-100 MHz 1 nV/rtHz Input referred current noise 2.5 pA/rtHz 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 65MSPS 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, 500 mVPP Input, 1% duty cycle 105 CW-mode, 500mVpp 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 16.5 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 © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): AFE5808A |
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