Datasheet LT3040 (Analog Devices) - 4

制造商Analog Devices
描述20V, 200mA, Ultralow Noise, Ultrahigh PSRR Precision DAC/Reference Buffer
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ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating

ELECTRICAL CHARACTERISTICS The denotes the specifications which apply over the full operating

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LT3040
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Ripple Rejection VRIPPLE = 500mVP-P, fRIPPLE = 120Hz, ILOAD = 200mA, COUT = 4.7µF, CIN = 4.7µF 117 dB NPN Region VRIPPLE = 150mVP-P, fRIPPLE = 10kHz, ILOAD = 200mA, COUT = 4.7µF, CIN= 0.47µF 88 dB V+ – VOUT = 2V (Avg.) VRIPPLE = 150mVP-P, fRIPPLE = 100kHz, ILOAD = 200mA, COUT = 4.7µF, CIN = 0.47µF 76 dB (Notes 4, 8, 19) VRIPPLE = 150mVP-P, fRIPPLE = 1MHz, ILOAD = 200mA, COUT = 4.7µF, CIN= 0.47µF 73 dB VRIPPLE = 80mVP-P, fRIPPLE = 10MHz, ILOAD = 200mA, COUT = 4.7µF, CIN = 0.47µF 56 dB Ripple Rejection VRIPPLE = 50mVP-P, fRIPPLE = 120Hz, ILOAD = 200mA, COUT = 4.7µF, CIN = 4.7µF 104 dB PNP Region VRIPPLE = 50mVP-P, fRIPPLE = 10kHz, ILOAD = 200mA, COUT = 4.7µF, CIN= 0.47µF 88 dB V+ – VOUT = 2V (Avg.) VRIPPLE = 50mVP-P, fRIPPLE = 100kHz, ILOAD = 200mA, COUT = 4.7µF, CIN = 0.47µF 76 dB (Notes 4, 8, 19) VRIPPLE = 50mVP-P, fRIPPLE = 1MHz, ILOAD = 200mA, COUT = 4.7µF, CIN= 0.47µF 67 dB VRIPPLE = 50mVP-P, fRIPPLE = 10MHz, ILOAD = 200mA, COUT = 4.7µF, CIN = 0.47µF 57 dB Fast Start Current Limit VFS = VIN + 0.2V, 0.1V ≤ VIN ≤ 15V 10 mA Fast Start Threshold Turn ON (VFS – VIN) 100 mV Turn OFF (VFS – VIN) 7 mV FAULT Output Low Voltage IFAULT = 100µA l 100 200 mV FAULT Leakage Current VFAULT = 20V l 1 µA EN/UV Pin Threshold EN/UV Trip Point Rising (Turn-On), V+ = 2V l 1.18 1.24 1.32 V EN/UV Pin Hysteresis EN/UV Trip Point Hysteresis, V+ = 2V 170 mV EN/UV Pin Current VEN/UV = 0V, V+ = 20V l ±1 µA VEN/UV = 1.24V, V+ = 20V 0.2 µA VEN/UV = 20V, V+ = 0V l 10 20 µA Quiescent Current in V+ = 6V 0.3 2 µA Shutdown (VEN/UV = 0V) l 10 µA Internal Current Limit V+ = 2V, VOUT = 0V l 220 270 320 mA (Note 12) V+ = 12V, VOUT = 0V 300 mA V+ = 20V, VOUT = 0V l 130 180 250 mA Programmable Current Limit Programming Scale Factor: 2V < V+ < 20V (Note 11) 125 mA•kΩ V+ = 2V, VOUT = 0V, RILIM = 625Ω l 180 200 220 mA V+ = 2V, VOUT = 0V, RILIM = 2.5kΩ l 45 50 55 mA Reverse Input Current V+ = –20V, VEN/UV = 0V, VOUT = 0V, VIN = 0V l 50 µA Reverse Output Current V+ = 0V, VOUT = 5V, VIN = Open 2 5 µA Minimum Load Required VOUT < 1V l 10 µA (Note 13) Long Term Drift LT3040 DD Package (Measured at VIN = 1.25V) (RIN = 0Ω) 250 Hours 3.2 µV (Note 20) 1000 Hours 5.2 µV 4500 Hours 6.7 µV LT3040 MSE Package (Measured at VIN = 1.25V) 250 Hours 2.3 µV 1000 Hours 3.5 µV 4500 Hours 5.1 µV Thermal Hysteresis (Note 18) ∆T = –40°C to 125°C <±20 µV Thermal Shutdown TJ Rising 162 °C Hysteresis 8 °C Thermal Regulation 10mS Pulse –0.01 %W Rev. 0 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts