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LTC1417IGN Datasheet(PDF) 4 Page - Linear Technology |
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LTC1417IGN Datasheet(HTML) 4 Page - Linear Technology |
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4 / 32 page ![]() 4 LTC1417 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS fSAMPLE(MAX) Maximum Sampling Frequency q 400 kHz tCONV Conversion Time q 1.8 2.25 µs tACQ Acquisition Time q 150 500 ns tACQ + tCONV Acquisition Plus Conversion Time q 2.1 2.5 µs t1 SHDN ↑ to CONVST↓ Wake-Up Time from Nap Mode (Note 10) 500 ns t2 CONVST Low Time (Notes 10, 11) q 40 ns t3 CONVST to BUSY Delay CL = 25pF q 35 70 ns t4 Data Ready Before BUSY ↑ CL = 25pF q 712 ns t5 Delay Between Conversions (Note 10) q 250 ns t6 Wait Time RD ↓ After BUSY↑ q –5 ns t7 Data Access Time After RD ↓ CL = 25pF 15 30 ns q 40 ns CL = 100pF 20 40 ns q 55 ns t8 Bus Relinquish Time q 35 ns t9 RD Low Time q t7 ns t10 CONVST High Time q 40 ns t11 Delay Time, SCLK ↓ to DOUT Valid CL = 25pF q 15 40 ns t12 Time from Previous Data Remain Valid After SCLK ↓ CL = 25pF q 510 ns fSCLK Shift Clock Frequency (Note 13) q 0 20 MHz fEXTCLKIN External Conversion Clock Frequency q 0.05 9 MHz tdEXTCLKIN Delay Time, CONVST ↓ to External Conversion Clock Input (Note 9) q 20 µs SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VDD Positive Supply Voltage (Notes 10, 11) 4.75 5.25 V VSS Negative Supply Voltage (Note 10) Bipolar Only (VSS = 0V for Unipolar) – 4.75 – 5.25 V IDD Positive Supply Current Unipolar, RD High (Note 5) q 4.0 5.5 mA Bipolar, RD High (Note 5) q 4.3 6.0 mA Nap Mode SHDN = 0V, RD = 0V 750 µA Sleep Mode SHDN = 0V, RD = 5V 0.1 µA ISS Negative Supply Current Bipolar, RD High (Note 5) q 2.0 2.8 mA Nap Mode SHDN = 0V, RD = 0V 0.7 µA Sleep Mode SHDN = 0V, RD = 5V 1.5 nA PDIS Power Dissipation Unipolar q 20.0 27.5 mW Bipolar q 31.5 44 mW POWER REQUIRE E TS The q indicates specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) The q indicates specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) TI I G CHARACTERISTICS |
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