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ADA4355ABCZ 数据表(PDF) 3 Page - Analog Devices |
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ADA4355ABCZ 数据表(HTML) 3 Page - Analog Devices |
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3 / 45 page  Data Sheet ADA4355 Rev. A | Page 3 of 45 SPECIFICATIONS PERFORMANCE SPECIFICATIONS TA = 25°C, VCC = 3.3 V, LDO enabled (see the power connection scheme shown in Figure 3), FSEL = 0, and the source capacitance (CS) = 0.5 pF, unless otherwise noted. Table 1. Parameter Test Conditions/Comments Min Typ Max Unit INPUT Input Referred Current Noise, IN TZ = 2 kΩ 159 nA rms TZ = 20 kΩ 32 nA rms TZ = 200 kΩ, FSEL = 1 4 nA rms TZ = 2 kΩ, 65,536 averages 621 pA rms TZ = 20 kΩ, 65,536 averages 125 pA rms TZ = 200 kΩ, 65,536 averages, FSEL = 1 16 pA rms Input Voltage, VIN See Figure 2 1.65 V Input Bias Current, IB ±1 nA Linear Input Current Range, IIN TZ = 2 kΩ −80 to +800 µA TZ = 20 kΩ −8.0 to +80 µA TZ = 200 kΩ −0.8 to +8.0 µA TZ Gain Accuracy All gains ±1 ±5 % Input Capacitance 2.0 pF ADC Input Bias Voltage All gains, see Figure 2, IIN = 0 µA 825 mV AC PERFORMANCE Input Referred Supply Sensitivity All gains 0.5 nA/mV TIA Bandwidth TZ = 2 kΩ 43 MHz TZ = 20 kΩ 18 MHz TZ = 200 kΩ 1.6 MHz LPF Bandwidth FSEL = 0 100 MHz FSEL = 1 1.0 MHz ADC PERFORMANCE ADC Internal Reference Voltage (VREF) 0.98 1 1.02 V Resolution 14 Bits Sampling Rate 20 125 MSPS No Missing Codes Guaranteed DIGITAL OUTPUTS, ANSI-644 Logic Compliance LVDS Differential Output Voltage, VOD 290 345 400 mV Output Offset Voltage, VOS 1.15 1.25 1.35 V Output Coding (Default) Twos complement OPERATION TEMPERATURE RANGE −40 +85 °C LPF + – FDA TIA 0.825V 0.825VDIFF 1.65V VIN FEEDBACK NETWORK GSEL0, GSEL1 FSEL 2 IIN + – IN– IN+ ADC Figure 2. Internal Bias Voltages (FDA Is a Fully Differential Amplifier.) |
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