LTC1293/LTC1294/LTC1296 UUWCO VERTER A D ULTIPLEXER CHARACTERISTICS(Note 3)LTC1293/4/6BLTC1293/4/6CLTC1293/4/6DPARAMETERCONDITIONSMINTYPMAXMINTYPMAXMINTYPMAXUNITS Offset Error (Note 4) ● ±3.0 ±3.0 ±3.0 LSB Linearity Error (INL) (Notes 4, 5) ● ±0.5 ±0.5 ±0.75 LSB Gain Error (Note 4) ● ±0.5 ±1.0 ±4.0 LSB Minimum Resolution for which No ● 12 12 12 Bits Missing Codes are Guaranteed Analog and REF Input Range (Note 7) (V–)–0.05V to VCC + 0.05V V On Channel Leakage Current (Note 8) On Channel = 5V ● ±1 ±1 ±1 µA Off Channel = 0V On Channel = 0V ● ±1 ±1 ±1 µA Off Channel = 5V Off Channel Lekage Current (Note 8) On Channel = 5V ● ±1 ±1 ±1 µA Off Channel = 0V On Channel = 0V ● ±1 ±1 ±1 µA Off Channel = 5V AC CHARACTERISTICS (Note 3)LTC1293/4/6B LTC1293/4/6C LTC1293/4/6DSYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS fCLK Clock Frequency VCC = 5V (Note 6) 0.1 1.0 MHz tSMPL Analog Input Sample Time See Operating Sequence 2.5 CLK Cycles tCONV Conversion Time See Operating Sequence 12 CLK Cycles tCYC Total Cycle Time See Operating Sequence (Note 6) 21 CLK Cycles +500ns tdDO Delay Time, CLK↓ to DOUT Data Valid See Test Circuits ● 160 300 ns tdis Delay Time, CS↑ to DOUT Hi-Z See Test Circuits ● 80 150 ns ten Delay Time, CLK↓ to DOUT Enabled See Test Circuits ● 80 200 ns thDI Hold Time, DIN after CLK↑ VCC = 5V (Note 6) 50 ns thDO Time Output Data Remains Valid After CLK↓ 130 ns tf DOUT Fall Time See Test Circuits ● 65 130 ns tr DOUT Rise Time See Test Circuits ● 25 50 ns tWHCLK CLK High Time VCC = 5V (Note 6) 300 ns tWLCLK CLK Low Time VCC = 5V (Note 6) 400 ns tsuDI Set-up Time, DIN Stable Before CLK↑ VCC = 5V (Note 6) 50 ns tsuCS Set-up Time, CS↓ before CLK↑ VCC = 5V (Note 6) 50 ns twHCS CS High Time During Conversion VCC = 5V (Note 6) 500 ns twLCS CS Low Time During Data Transfer VCC = 5V (Note 6) 21 CLK Cycles tenSSO Delay Time, CLK↓ to SSO↓ See Test Circuits ● 750 1500 ns tdisSSO Delay Time, CS↓ to SSO↑ See Test Circuits ● 250 500 ns CIN Input Capacitance Analog Inputs On Channel 100 pF Analog Inputs Off Channel 5 Digital Inputs 5 129346fs 3
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