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LTC1603 Datasheet(PDF) 4 Page - Linear Technology |
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LTC1603 Datasheet(HTML) 4 Page - Linear Technology |
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4 / 20 page ![]() 4 LTC1603 1603f 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 q 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 q 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 q 220 350 mW Nap Mode CS = 0V, SHDN = 0V 7.5 12 mW Sleep Mode CS = 5V, SHDN = 0V 0.01 1 mW POWER REQUIRE E TS TI I G CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS fSMPL(MAX) Maximum Sampling Frequency q 250 kHz tCONV Conversion Time q 2.2 3.3 3.8 µs tACQ Acquisition Time (Note 11) q 480 ns tACQ+CONV Throughput Time (Acquisition + Conversion) q 4 µs t1 CS to RD Setup Time (Notes 11, 12) q 0ns t2 CS ↓ to CONVST↓ Setup Time (Notes 11, 12) q 10 ns t3 SHDN ↓ to CS↑ Setup Time (Notes 11, 12) q 10 ns t4 SHDN ↑ to CONVST↓ Wake-Up Time CS = Low (Note 12) 400 ns t5 CONVST Low Time (Note 12) q 40 ns t6 CONVST to BUSY Delay CL = 25pF 36 ns q 80 ns t7 Data Ready Before BUSY ↑ 60 ns q 32 ns t8 Delay Between Conversions (Note 12) q 200 ns t9 Wait Time RD ↓ After BUSY↑ (Note 12) q –5 ns t10 Data Access Time After RD ↓ CL = 25pF 40 50 ns q 60 ns CL = 100pF 45 60 ns q 75 ns t11 Bus Relinquish Time 50 60 ns LTC1603C q 70 ns LTC1603I q 75 ns t12 RD Low Time (Note 12) q t10 ns t13 CONVST High Time (Note 12) q 40 ns t14 Aperture Delay of Sample-and-Hold 2 ns The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) |
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