Datasheet LT6108-1, LT6108-2 (Analog Devices) - 4
| Fabricante | Analog Devices |
| Descripción | High Side Current Sense Amplifier with Reference and Comparator |
| Páginas / Página | 30 / 4 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| Formato / tamaño de archivo | PDF / 361 Kb |
| Idioma del documento | Inglés |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating
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Versión de texto del documento
LT6108-1/LT6108-2
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 12V, VPULLUP = V+, VEN = VEN/RST = 2.7V, RIN = 100Ω, ROUT = R1 + R2 = 10k, gain = 100, RC = 25.5k, CL = CLC = 2pF, unless otherwise noted. (See Figure 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V+ Supply Voltage Range l 2.7 60 V IS Supply Current (Note 4) V+ = 2.7V, RIN = 1k, VSENSE = 5mV 450 µA V+ = 60V, RIN = 1k, VSENSE = 5mV 550 650 µA l 950 µA Supply Current in Shutdown V+ = 2.7V, VEN/RST = 0V, RIN = 1k, VSENSE = 0.5V 3 5 µA l 7 µA V+ = 60V, VEN/RST = 0V, RIN = 1k, VSENSE = 0.5V 7 11 µA l 13 µA EN/RST Pin Current VEN/RST = 0V, V+ = 60V (LT6108-1 Only) –200 nA EN Pin Current VEN = 0V, V+ = 60V (LT6108-2 Only) –100 nA VIH EN/RST Pin Input High V+ = 2.7V to 60V (LT6108-1 Only) l 1.9 V VIL EN/RST Pin Input Low V+ = 2.7V to 60V (LT6108-1 Only) l 0.8 V VIH EN Pin Input High V+ = 2.7V to 60V (LT6108-2 Only) l 1.9 V VIL EN Pin Input Low V+ = 2.7V to 60V (LT6108-2 Only) l 0.8 V
Current Sense Amplifier
VOS Input Offset Voltage VSENSE = 5mV, LT6108A –125 125 µV VSENSE = 5mV, LT6108 –350 350 µV VSENSE = 5mV, LT6108A l –250 250 µV VSENSE = 5mV, LT6108 l –450 450 µV ∆VOS/∆T Input Offset Voltage Drift VSENSE = 5mV l ±0.8 µV/°C IB Input Bias Current V+ = 2.7V to 60V 60 300 nA (SENSELO, SENSEHI) l 350 nA IOS Input Offset Current V+ = 2.7V to 60V ±5 nA IOUTA Output Current (Note 5) l 1 mA PSRR Power Supply Rejection Ratio V+ = 2.7V to 60V 120 127 dB (Note 6) l 114 dB CMRR Common Mode Rejection Ratio V+ = 36V, VSENSE = 5mV, VICM = 2.7V to 36V 125 dB V+ = 60V, VSENSE = 5mV, VICM = 27V to 60V 110 125 dB l 103 dB VSENSE(MAX) Full-Scale Input Sense Voltage RIN = 500Ω l 500 mV (Note 5) Gain Error (Note 7) V+ = 2.7V to 12V –0.08 % V+ = 12V to 60V, VSENSE = 5mV to 100mV, MS8 Package l –0.2 0 % V+ = 12V to 60V, VSENSE = 5mV to 100mV, DFN Package l –0.3 0 % SENSELO Voltage (Note 8) V+ = 2.7V, VSENSE = 100mV, ROUT = 2k l 2.5 V V+ = 60V, VSENSE = 100mV l 27 V Output Swing High (V+ to VOUTA) V+ = 2.7V, VSENSE = 27mV l 0.2 V V+ = 12V, VSENSE = 120mV l 0.5 V BW Signal Bandwidth IOUT = 1mA 1 MHz IOUT = 100µA 140 kHz tr Input Step Response (to 50% of V+ = 2.7V, VSENSE = 24mV Step, Output Rising Edge 500 ns Final Output Voltage) V+ = 12V to 60V, VSENSE = 100mV Step, Output Rising Edge 500 ns tSETTLE Settling Time to 1% VSENSE = 10mV to 100mV, ROUT = 2k 2 µs 610812fa 4 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 12V, VPULLUP = V+, VEN = VEN/RST = 2.7V, RIN = 100Ω, ROUT = R1 + R2 = 10k, gain = 100, RC = 25.5k, CL = CLC = 2pF, unless otherwise noted. (See Figure 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V+ Supply Voltage Range l 2.7 60 V IS Supply Current (Note 4) V+ = 2.7V, RIN = 1k, VSENSE = 5mV 450 µA V+ = 60V, RIN = 1k, VSENSE = 5mV 550 650 µA l 950 µA Supply Current in Shutdown V+ = 2.7V, VEN/RST = 0V, RIN = 1k, VSENSE = 0.5V 3 5 µA l 7 µA V+ = 60V, VEN/RST = 0V, RIN = 1k, VSENSE = 0.5V 7 11 µA l 13 µA EN/RST Pin Current VEN/RST = 0V, V+ = 60V (LT6108-1 Only) –200 nA EN Pin Current VEN = 0V, V+ = 60V (LT6108-2 Only) –100 nA VIH EN/RST Pin Input High V+ = 2.7V to 60V (LT6108-1 Only) l 1.9 V VIL EN/RST Pin Input Low V+ = 2.7V to 60V (LT6108-1 Only) l 0.8 V VIH EN Pin Input High V+ = 2.7V to 60V (LT6108-2 Only) l 1.9 V VIL EN Pin Input Low V+ = 2.7V to 60V (LT6108-2 Only) l 0.8 V
Current Sense Amplifier
VOS Input Offset Voltage VSENSE = 5mV, LT6108A –125 125 µV VSENSE = 5mV, LT6108 –350 350 µV VSENSE = 5mV, LT6108A l –250 250 µV VSENSE = 5mV, LT6108 l –450 450 µV ∆VOS/∆T Input Offset Voltage Drift VSENSE = 5mV l ±0.8 µV/°C IB Input Bias Current V+ = 2.7V to 60V 60 300 nA (SENSELO, SENSEHI) l 350 nA IOS Input Offset Current V+ = 2.7V to 60V ±5 nA IOUTA Output Current (Note 5) l 1 mA PSRR Power Supply Rejection Ratio V+ = 2.7V to 60V 120 127 dB (Note 6) l 114 dB CMRR Common Mode Rejection Ratio V+ = 36V, VSENSE = 5mV, VICM = 2.7V to 36V 125 dB V+ = 60V, VSENSE = 5mV, VICM = 27V to 60V 110 125 dB l 103 dB VSENSE(MAX) Full-Scale Input Sense Voltage RIN = 500Ω l 500 mV (Note 5) Gain Error (Note 7) V+ = 2.7V to 12V –0.08 % V+ = 12V to 60V, VSENSE = 5mV to 100mV, MS8 Package l –0.2 0 % V+ = 12V to 60V, VSENSE = 5mV to 100mV, DFN Package l –0.3 0 % SENSELO Voltage (Note 8) V+ = 2.7V, VSENSE = 100mV, ROUT = 2k l 2.5 V V+ = 60V, VSENSE = 100mV l 27 V Output Swing High (V+ to VOUTA) V+ = 2.7V, VSENSE = 27mV l 0.2 V V+ = 12V, VSENSE = 120mV l 0.5 V BW Signal Bandwidth IOUT = 1mA 1 MHz IOUT = 100µA 140 kHz tr Input Step Response (to 50% of V+ = 2.7V, VSENSE = 24mV Step, Output Rising Edge 500 ns Final Output Voltage) V+ = 12V to 60V, VSENSE = 100mV Step, Output Rising Edge 500 ns tSETTLE Settling Time to 1% VSENSE = 10mV to 100mV, ROUT = 2k 2 µs 610812fa 4 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Applications Information Typical Applications Package Description Revision History Typical Application Related Parts