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AD8128ACPZ-R2 数据表(PDF) 3 Page - Analog Devices |
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AD8128ACPZ-R2 数据表(HTML) 3 Page - Analog Devices |
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3 / 12 page ![]() Data Sheet AD8128 Rev. A | Page 3 of 12 SPECIFICATIONS TA = 25°C, VS = ±5 V, RL = 150 Ω, Belden cable, VOFFSET = 0 V, VGAIN and VPEAK set to optimized settings (see Figure 4), unless otherwise noted. Table 1. Parameter Test Conditions/Comments Min Typ Max Unit DYNAMIC PERFORMANCE –3 dB Large Signal Bandwidth VOUT = 2 V p-p, 100 meter CAT-5 120 MHz ±1 dB Equalized Bandwidth Flatness VOUT = 2 V p-p 70 MHz Rise/Fall Time VOUT = 2 V step, 50 meter CAT-5 2 ns Rise/Fall Time VOUT = 2 V step, 100 meter CAT-5 3.6 ns Settling Time to 2% VOUT = 2 V step, 50 meter CAT-5 26 ns Settling Time to 2% VOUT = 2 V step, 100 meter CAT-5 36.4 ns Integrated Output Voltage Noise VPEAK = 0.9 V, VGAIN = 225 mV, BW = 1 GHz 1.5 mV rms DC PERFORMANCE Input Bias Current 15.5 24 µA VOFFSET Pin Current 1.7 8.2 µA VGAIN Pin Current 2 3.4 µA VPEAK Pin Current 4.2 6.8 µA INPUT CHARACTERISTICS Input Differential Voltage ±2.8 V Input Common-Mode Voltage ±3.0 V Input Resistance Common mode 380 kΩ Differential 675 kΩ Input Capacitance 1.7 pF Common-Mode Rejection Ratio (CMRR) 200 kHz, ΔVOUT/ΔVIN, cm −63 −74 dB ADJUSTMENT PINS VPEAK Input Voltage Relative to ground 0 1 V Maximum Peak Gain At 120 MHz, VPEAK = 1 V 20 dB VGAIN Input Relative to ground 0 1 V Maximum Broadband Gain VGAIN = 1 V 3 dB VOFFSET Input Range Relative to ground ±2.5 V VOFFSET to VOUT Gain 1 V/V OUTPUT CHARACTERISTICS Output Voltage Swing −2.55 +2.7 V Output Offset Voltage VOFFSET = 0 V, RTO −10.9 +7 +18.7 mV Output Offset Voltage Drift −5.5 µV/°C Short-Circuit Output Current 100 mA POWER SUPPLY Operating Voltage Range ±4.5 ±5.5 V Quiescent Supply Current, ICC/IEE At ±5 V +24/−21 +31/−27 mA Supply Current Drift, ICC/IEE +86/−77 µA/°C +Power Supply Rejection Ratio (PSRR) RTO −48 −59 dB −Power Supply Rejection Ratio (PSRR) RTO −48 −61 dB TEMPERATURE RANGE −40 +85 °C |
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