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RT9138 Datasheet(PDF) 8 Page - Richtek Technology Corporation |
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RT9138 Datasheet(HTML) 8 Page - Richtek Technology Corporation |
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8 / 21 page  RT9137/8/9 8 DS9137/8/9-01 April 2011 www.richtek.com Note : (1) Slew rate is measured on rising and falling edges. (2) Guaranteed by design, not subject to production testing. (VS+ = 5V, VS- = -5V, RL = 1k Ω to 0V, TA = 25°C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Input Characteristics Input Offset Voltage VOS VCM = 0 -- 3 17.5 mV Average Offset Voltage Drift Note (2) ΔV OS/ΔT −40°C ≤ T A ≤ 85°C -- 7 -- μV/°C Input Bias Current IB VCM = 0 -- 2 60 nA Input Impedance Note (2) RIN -- 1 -- G Ω Input Capacitance Note (2) CIN -- 2 -- pF Common-Mode Input Range CMIR −5.5 -- 5.5 V Common-Mode Rejection Ratio CMRR For VIN from −5.5V to 5.5V -- 70 -- dB Open-Loop Gain AVOL −4.5V ≤ VOUT ≤ 4.5V -- 70 -- dB Output Characteristics Output Swing Low VOL IL = −5mA -- −4.92 −4.85 V Output Swing High VOH I L = 5mA 4.85 4.92 -- V Continuous Output Current IOC -- ±35 -- mA Peak Output Current IPC -- 250 -- mA Power Supply Power Supply Rejection Ratio PSRR VS is moved from ±2.25V to ±7.5V -- 70 -- dB Supply Current/Amplifier ISY No Load, Per Channel -- 4.6 -- mA Dynamic Performance Slew Rate Note (1) SR −4.0V ≤ VOUT ≤ 4.0V, 20% to 80% -- 120 -- V/ μs Setting to ±0.1% (AV = +1) Note (2) tS (AV = 1), VOUT = 2V step -- 100 -- ns -3dB Bandwidth BW RL = 10kΩ, CL =10 pF -- 50 -- MHz Gain-Bandwidth Product GBWP RL = 10kΩ, CL =10 pF -- 30 -- MHz Phase Margin Note (2) PM RL = 10kΩ, CL =10 pF -- 50 -- ° Channel Separation CS f = 5MHz -- 75 -- dB |
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