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ADA4940-1ACPZ-R2 数据表(PDF) 6 Page - Analog Devices |
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ADA4940-1ACPZ-R2 数据表(HTML) 6 Page - Analog Devices |
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6 / 30 page  ADA4940-1/ADA4940-2 Data Sheet Rev. E | Page 6 of 30 VS = 3 V VOCM = midsupply, RF = RG = 1 kΩ, RL, dm = 1 kΩ, TA = 25°C, LFCSP package, unless otherwise noted. TMIN to TMAX = −40°C to +125°C. (See Figure 61 for the definition of terms.) +DIN or –DIN to VOUT, dm Performance Table 6. Parameter Test Conditions/Comments Min Typ Max Unit DYNAMIC PERFORMANCE −3 dB Small Signal Bandwidth VOUT, dm = 0.1 V p-p 240 MHz VOUT, dm = 0.1 V p-p, G = 2 200 MHz VOUT, dm = 0.1 V p-p, G = 5 70 MHz −3 dB Large Signal Bandwidth VOUT, dm = 2 V p-p 24 MHz VOUT, dm = 2 V p-p, G = 2 20 MHz VOUT, dm = 2 V p-p, G = 5 17 MHz Bandwidth for 0.1 dB Flatness VOUT, dm = 0.1 V p-p 14 MHz Slew Rate VOUT, dm = 2 V step 90 V/µs Settling Time to 0.1% VOUT, dm = 2 V step 37 ns Overdrive Recovery Time G = 2, VIN, dm = 3.6 V p-p, triangle wave 85 ns NOISE/HARMONIC PERFORMANCE HD2/HD3 VOUT, dm = 2 V p-p, fC = 50 kHz (HD2/HD3) −115/−121 dBc VOUT, dm = 2 V p-p, fC = 1 MHz (HD2/HD3) −104/−96 dBc IMD3 VOUT,dm = 2 V p-p, f1 = 1.9 MHz, f2 = 2.1 MHz −98 dBc Input Voltage Noise f = 100 kHz 3.9 nV/√Hz Input Current Noise f = 100 kHz 0.84 pA/√Hz Crosstalk VOUT, dm = 2 V p-p, fC = 1 MHz −110 dB INPUT CHARACTERISTICS Input Offset Voltage VIP = VIN = VOCM = 1.5 V −0.4 ±0.06 +0.4 mV Input Offset Voltage Drift TMIN to TMAX 1.2 µV/°C Input Bias Current −1.6 −1.1 µA Input Bias Current Drift TMIN to TMAX −4.5 nA/°C Input Offset Current −500 ±50 +500 nA Input Common-Mode Voltage Range −VS − 0.2 to +VS − 1.2 V Input Resistance Differential 33 kΩ Common mode 50 MΩ Input Capacitance 1 pF Common-Mode Rejection Ratio (CMRR) ΔVOS, dm/ΔVIN, cm, ∆VIN, cm = ±0.25 V dc 86 114 dB Open-Loop Gain 91 99 dB OUTPUT CHARACTERISTICS Output Voltage Swing Each single-ended output −VS + 0.08 to +VS − 0.08 −VS + 0.04 to +VS − 0.04 V Linear Output Current f = 1 MHz, RL, dm = 26 Ω, SFDR = −60 dBc 38 mA peak Output Balance Error f = 1 MHz, ΔVOUT, cm/ΔVOUT, dm −65 −60 dB |
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