Datasheet LTC2333-18 (Analog Devices) - 7

LTC2333-18
ADC TIMING CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 9) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSMPL Maximum Sampling Frequency l 800 ksps tCYC Time Between Conversions l 1.25 μs tCONV Conversion Time l 450 500 550 ns tACQ Acquisition Time (tACQ = tCYC – tCONV – tBUSYLH) l 670 730 ns tCNVH CNV High Time l 40 ns tCNVL CNV Low Time l 750 ns tBUSYLH CNV↑ to BUSY Delay CL = 25pF l 30 ns tQUIET Digital I/O Quiet Time from CNV↑ l 20 ns tPDH PD High Time l 40 ns tPDL PD Low Time l 40 ns tWAKE REFBUF Wake-Up Time CREFBUF = 47μF, CREFIN = 0.1μF 200 ms
CMOS I/O Mode
tSCKI SCKI Period (Notes 18, 19) l 10 ns tSCKIH SCKI High Time l 4 ns tSCKIL SCKI Low Time l 4 ns tSSDISCKI SDI Setup Time from SCKI↑ (Note 18) l 2 ns tHSDISCKI SDI Hold Time from SCKI↑ (Note 18) l 1 ns tDSDOSCKI SDO Data Valid Delay from SCKI↑ CL = 25pF (Note 18) l 7.5 ns tHSDOSCKI SDO Remains Valid Delay from SCKI↑ CL = 25pF (Note 18) l 1.5 ns tSKEW SDO to SCKO Skew (Note 18) l –1 0 1 ns tDSDOBUSYL SDO Data Valid Delay from BUSY↓ CL = 25pF (Note 18) l 0 ns tEN Bus Enable Time After CS↓ (Note 18) l 15 ns tDIS Bus Relinquish Time After CS↑ (Note 18) l 15 ns
LVDS I/O Mode
tSCKI SCKI Period (Note 20) l 4 ns tSCKIH SCKI High Time (Note 20) l 1.5 ns tSCKIL SCKI Low Time (Note 20) l 1.5 ns tSSDISCKI SDI Setup Time from SCKI (Notes 11, 20) l 1.2 ns tHSDISCKI SDI Hold Time from SCKI (Notes 11, 20) l –0.2 ns tDSDOSCKI SDO Data Valid Delay from SCKI (Notes 11, 20) l 6 ns tHSDOSCKI SDO Remains Valid Delay from SCKI (Notes 11, 20) l 1 ns tSKEW SDO to SCKO Skew (Note 11) l –0.4 0 0.4 ns tDSDOBUSYL SDO Data Valid Delay from BUSY↓ (Note 11) l 0 ns tEN Bus Enable Time After CS↓ l 50 ns tDIS Bus Relinquish Time After CS↑ l 15 ns 233318f For more information www.linear.com/LTC2333-18 7