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LTC2662 Datasheet(PDF) 7 Page - Analog Devices |
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LTC2662 Datasheet(HTML) 7 Page - Analog Devices |
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7 / 28 page  LTC2662 7 Rev 0 For more information www.analog.com POWER REQUIREMENTS The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TJ = 25°C. VCC = IOVCC = 5V; V– = –5V; VDD0-4 = 5V, V+ = 5V, FSADJ = VCC, V(REF) = 1.25V external unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC Analog Supply Voltage VCC Must Not Exceed V+ l 2.85 5.5 V IOVCC Digital I/O Supply Voltage l 1.71 VCC V V– Negative Supply Voltage l –15.75 0 V V+ Positive Supply Voltage l 2.85 V– + 33 V VDD0 to VDD4 Output Supply Voltages l 2.85 V+ V Supply Current VCC All Ranges (Code = 0, All Channels) l 2.6 3.8 mA Supply Current IOVCC All Ranges (Code = 0, All Channels) l 0.01 1 μA Supply Current V+ All Ranges (Code = 0, All Channels) l 385 500 μA Supply Current V– All Ranges (Code = 0, All Channels) l 2.3 3.2 mA Supply Current VDD0-4 All Ranges (Code = 0, per Channel) 25mA Range (Code = Full-Scale, per Channel), (Note 9) 200mA Range (Code = Full-Scale, per Channel), (Note 9) l l l 0.7 26.5 204 1.2 27.6 207 mA mA mA ISLEEP Shutdown Current VCC (Notes 10, 11) l 1 10 μA Shutdown Current IOVCC (Notes 10, 11) l 0.01 1 μA Shutdown Current V+ (Notes 10, 11)) l 20 36 μA Shutdown Current V– (Notes 10, 11) l 30 59 μA Shutdown Current VDD0-4 (Notes 10, 11) per Channel l 20 8.1 μA Monitor Mux DC Output Impedance 15 kΩ Leakage Current Monitor Mux Disabled (High Impedance) l 0.1 1 μA Output Voltage Range Monitor Mux Selected to IOUT0-4 Pin Voltage l V– V+ V Continuous Current (Note 8) l ±1 mA SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS V+ = VDDX = VCC = 2.85V to 5.5V, IOVCC = 2.85V to VCC t1 SDI Valid to SCK Setup l 6 ns t2 SDI Valid to SCK Hold l 6 ns t3 SCK HIGH Time l 9 ns t4 SCK LOW Time l 9 ns t5 CS/LD Pulse Width l 10 ns t6 LSB SCK High to CS/LD High l 19 ns t7 CS/LD Low to SCK High l 7 ns t8 SDO Propagation Delay From SCK Falling Edge CLOAD = 10pF 4.5V ≤ IOVCC ≤ VCC 2.85V ≤ IOVCC < 4.5V l l 20 30 ns ns TIMING CHARACTERISTICS The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TJ = 25°C. Digital input low and high voltages are 0V and IOVCC, respectively. |
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