Datasheet LTC1604 (Analog Devices) - 4

LTC1604
POWER REQUIREMENTS (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Positive Supply Voltage (Notes 12, 13) 4.75 5.25 V VSS Negative Supply Voltage (Note 12) –4.75 –5.25 V IDD Positive Supply Current CS = RD = 0V l 18 30 mA Nap Mode CS = 0V, SHDN = 0V 1.5 2.4 mA Sleep Mode CS = 5V, SHDN = 0V 1 100 μA ISS Negative Supply Current CS = RD = 0V l 26 40 mA Nap Mode CS = 0V, SHDN = 0V 1 100 μA Sleep Mode CS = 5V, SHDN = 0V 1 100 μA PD Power Dissipation CS = RD = 0V l 220 350 mW Nap Mode CS = 0V, SHDN = 0V 7.5 12 mW Sleep Mode CS = 5V, SHDN = 0V 0.01 1 mW
TIMING CHARACTERISTICS (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSMPL(MAX) Maximum Sampling Frequency l 333 kHz tCONV Conversion Time l 1.5 2.45 2.8 μs tACQ Acquisition Time (Note 11) l 480 ns tACQ+CONV Throughput Time (Acquisition + Conversion) l 3 μs t1 CS to RD Setup Time (Notes 11, 12) l 0 ns t2 CS↓ to CONVST↓ Setup Time (Notes 11, 12) l 10 ns t3 SHDN↓ to CS↑ Setup Time (Notes 11, 12) l 10 ns t4 SHDN↑ to CONVST↓ Wake-Up Time CS = Low (Note 12) 400 ns t5 CONVST Low Time (Note 12) l 40 ns t6 CONVST to BUSY Delay CL = 25pF 36 ns l 80 ns t7 Data Ready Before BUSY↑ 60 ns l 32 ns t8 Delay Between Conversions (Note 12) l 200 ns t9 Wait Time RD↓ After BUSY↑ (Note 12) l –5 ns t10 Data Access Time After RD↓ CL = 25pF 40 50 ns l 60 ns CL = 100pF 45 60 ns l 75 ns t11 Bus Relinquish Time 50 60 ns LTC1604C l 70 ns LTC1604I l 75 ns t12 RD Low Time (Note 12) l t10 ns t13 CONVST High Time (Note 12) l 40 ns t14 Aperture Delay of Sample-and-Hold 2 ns 1604fa 4