Datasheet LT3040 (Analog Devices) - 3
Fabricante | Analog Devices |
Descripción | 20V, 200mA, Ultralow Noise, Ultrahigh PSRR Precision DAC/Reference Buffer |
Páginas / Página | 30 / 3 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
Formato / tamaño de archivo | PDF / 4.0 Mb |
Idioma del documento | Inglés |
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
Minimum V+ Voltage ILOAD = 200mA, V+ UVLO Rising l 1.78 2 V (Note 2) V+ UVLO Hysteresis 55 mV Output Offset Voltage V+ = 2V, ILOAD = 1mA, VOUT = 0.3V –125 125 µV VOS (VOUT – VIN) V+ = 2V, ILOAD = 1mA, VOUT = 0.3V l –300 300 µV (Notes 4, 16) V+ = 2V, ILOAD = 1mA, VOUT = 1.25V –125 125 µV V+ = 2V, ILOAD = 1mA, VOUT = 1.25V l –300 300 µV Input Bias Current (IVIN) V+ = 2V, ILOAD = 1mA, VIN = 0.3V l –70 50 nA (Notes 4, 15) V+ = 2V, ILOAD = 1mA, VIN = 1.25V –30 30 nA V+ = 2V, ILOAD = 1mA, VIN = 1.25V l –75 50 nA Line Regulation (∆VOS) V+ = 2V to 20V, ILOAD = 1mA, VOUT = 0.3V l 0.5 ±3 µV/V V+ = 2V to 20V, ILOAD = 1mA, VOUT = 1.25V l 0.5 ±3 µV/V Load Regulation (∆VOS) ILOAD = 1mA to 200mA, V+ = 2V, VOUT = 0.3V (Note 4) l 0.1 0.5 mV ILOAD = 1mA to 200mA, V+ = 2V, VOUT = 1.25V (Note 4) l 0.1 0.5 mV Change in VOS with VIN VIN = 0.1V to 0.85V, V+ = 20V, ILOAD = 1mA l 10 100 μV (Notes 4, 15, 19) VIN = 0.95V to 15V, V+ = 20V, ILOAD = 1mA l 35 200 μV Dropout Voltage ILOAD = 1mA 45 65 mV V+ = VOUT(NOMINAL) l 100 mV (Note 21) ILOAD = 50mA 155 220 mV l 310 mV ILOAD = 100mA (Note 5) 225 315 mV l 410 mV ILOAD = 200mA (Note 5) 350 520 mV l 600 mV GND Pin Current ILOAD = 10μA 2.6 mA V+ = VOUT(NOMINAL) ILOAD = 1mA l 2.7 5 mA (Note 6) ILOAD = 50mA l 3.7 5.8 mA ILOAD = 100mA l 4.8 8 mA ILOAD = 200mA l 8 14 mA Output Noise Spectral ILOAD = 200mA, Frequency = 10Hz, COUT = 4.7µF, CIN = 0.47µF, VOUT = 3.3V 45 nV/√Hz Density (Notes 4, 8, 19) ILOAD = 200mA, Frequency = 10Hz, COUT = 4.7µF, CIN = 4.7µF, NPN Region 25 nV/√Hz ILOAD = 200mA, Frequency = 10kHz, COUT = 4.7µF, CIN = 0.47µF, NPN Region 4 nV/√Hz ILOAD = 200mA, Frequency = 10kHz, COUT = 4.7µF, CIN = 0.47µF, PNP Region 6 nV/√Hz ILOAD = 200mA, Frequency = 0.1Hz, COUT = 4.7µF, CIN = 0.47µF, VOUT = 3.3V 300 nV/√Hz ILOAD = 200mA, Frequency = 0.1Hz, COUT = 4.7µF, CIN = 4.7µF, NPN Region 300 nV/√Hz ILOAD = 200mA, Frequency = 0.1Hz, COUT = 4.7µF, CIN = 0.47µF, NPN Region 300 nV/√Hz ILOAD = 200mA, Frequency = 0.1Hz, COUT = 4.7µF, CIN = 0.47µF, PNP Region 200 nV/√Hz Output RMS Noise ILOAD = 200mA, BW = 10Hz to 100kHz, COUT = 4.7µF, CIN = 0.47µF, VOUT = 3.3V 1.25 µVRMS (Notes 4, 8, 19) ILOAD = 200mA, BW = 10Hz to 100kHz, COUT = 4.7µF, CIN = 4.7µF, NPN Region 1.2 µVRMS ILOAD = 200mA, BW = 10Hz to 100kHz, COUT = 4.7µF, CIN = 4.7µF, PNP Region 1.8 µVRMS ILOAD = 200mA, BW = 0.1Hz to 10Hz, COUT = 4.7µF, CIN = 0.47µF, VOUT = 3.3V 2.4 µVP-P ILOAD = 200mA, BW = 0.1Hz to 10Hz, COUT = 4.7µF, CIN = 4.7µF, NPN Region 1.5 µVP-P ILOAD = 200mA, BW = 0.1Hz to 10Hz, COUT = 4.7µF, CIN = 4.7µF, PNP Region 1 µVP-P EA Switchover Point V+ = 2V, ILOAD = 1mA, VIN Rising 917 mV (Note 19) V+ = 2V, ILOAD = 1mA, VIN Falling 882 mV (PNP to NPN Input-Pair Switchover) EA Switchover Hysteresis V+ = 2V, ILOAD = 1mA 35 mV (Note 19) (PNP to NPN Input-Pair Switchover) Rev. 0 For more information www.analog.com 3 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