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ADA4254ACPZ-R7 数据表(PDF) 7 Page - Analog Devices |
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ADA4254ACPZ-R7 数据表(HTML) 7 Page - Analog Devices |
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7 / 59 page ![]() Data Sheet ADA4254 Rev. B | Page 7 of 59 Parameter Test Conditions/Comments Min Typ Max Unit 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 Input Overload Recovery Time Input voltage (VIN) = 56 V p-p 40 μs Output Overload Recovery Time G = 1 V/V, VIN = 10 V p-p 6 μs EXCITATION CURRENT SOURCES (IOUT_LV/IOUT_HV) Output Current Range 100 1500 μA Initial Tolerance ±3 ±10 % Drift TA = −40°C to +105°C ±200 ppm/°C Current Matching ±3 ±8 % Drift Matching TA = −40°C to +105°C ±50 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 DIGITAL INPUTS Low (VINL) 0 0.8 V High (VINH) 0.6 × DVDD DVDD V Digital Input Pin Capacitance 5 pF DIGITAL OUTPUT Low (VOL) Sinking 4 mA 0.7 V High (VOH) Sourcing 2 mA DVDD − 0.8 V INTERNAL/EXTERNAL CLOCK Internal Clock Frequency 0.8 1 1.2 MHz Duty Cycle 50 % Internal Clock Divider Range 1 32 MHz/ MHz POWER SUPPLY VDDH − VSSH 10 56 V AVDD − AVSS 2.7 5 V DVDD − DVSS 2.7 5 V IVDDH 600 765 μA IVSSH 780 985 μA IDVDD DVDD = 3 V 150 205 μA IAVDD 980 1305 μA Static Power Dissipation DVDD = 3 V, VSSH = −28 V, VDHH = 28 V 44 56 mW DVDD = 3 V, VSSH = −15 V, VDDH = 15 V 26 34 mW DVDD = 3 V, VSSH = −12 V, VDDH = 12 V 22 28 mW 1 Guaranteed by design. These specifications are not production tested but are supported by characterization data at the initial product release. 2 For gains less than 1/2, a smaller output swing is used. 3 Only G = 1 V/V is production tested. 4 IWB means wire break current. |
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