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ADA4255ACPZ-R7 データシート(PDF) 6 Page - Analog Devices |
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ADA4255ACPZ-R7 データシート(HTML) 6 Page - Analog Devices |
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6 / 64 page ![]() Data Sheet ADA4255 SPECIFICATIONS analog.com Rev. 0 | 6 of 64 Table 1. Parameter Test Conditions/Comments Min Typ Max Unit VOCM INPUT CHARACTERISTICS Input Voltage Range AVSS AVDD − 1 V Input Resistance 10 GΩ Common-Mode Offset Voltage 20 μV Common-Mode Offset Voltage Drift 2.5 μV/°C Input Bias Current 500 pA DYNAMIC RESPONSE Small Signal ±3 dB Bandwidth G = 1/16 V/V 15 kHz G = 1/8 V/V 28 kHz G = 1/4 V/V 67 kHz G = 1/2 V/V 138 kHz G = 1 V/V 1800 kHz G = 2 V/V 513 kHz G = 4 V/V 341 kHz G = 8 V/V 319 kHz G = 16 V/V 297 kHz G = 32 V/V 275 kHz G = 64 V/V 257 kHz G = 128 V/V 209 kHz Settling Time 0.01% VOUT = 8 V p-p G = 1 V/V 10 μs G = 8 V/V 8 μs G = 128 V/V 5 μs Settling Time 0.0015% (16-Bit) VOUT = 8 V p-p G = 1 V/V 18 μs G = 8 V/V 15 μs G = 128 V/V 15 μs Slew Rate VOUT = 8 V p-p2 G = 1/16 V/V 0.06 V/μs G = 1 V/V 0.8 V/μs G = 128 V/V 3.1 V/μs THD VOUT = 8 V p-p at frequency = 1 kHz G = 1 V/V −104 dB G = 8 V/V −96 dB G = 128 V/V −80 dB Overload Recovery Time Input Input voltage (VIN) = 56 V p-p 40 μs Output G = 1 V/V, VIN = 10 V p-p 6 μs EXCITATION CURRENT SOURCE (IOUT) Output Current Range 100 1500 μA Initial Tolerance ±3 ±10 % Drift TA = −40°C to +105°C ±200 ppm/°C WIRE BREAK CURRENTS Output Current Range 0.25 16 μA Impedance Threshold (VDDH − 4)/IWB4 Ω Initial Tolerance ±12 % Drift TA = −40°C to +105°C ±250 ppm/°C |
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