LTC1864L/LTC1865L UUWCO VERTER A D ULTIPLEXER CHARACTERISTICSThe ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25 ° C.VCC = 2.7V, VREF = 2.5V, fSCK = fSCK(MAX) as defined in Recommended Operating Conditions, unless otherwise noted.LTC1864L/LTC1865LLTC1864LA/LTC1865LAPARAMETERCONDITIONSMINTYPMAXMINTYPMAXUNITS Offset Error ● ±2 ±5 ±2 ±5 mV Input Differential Voltage VIN = IN+ – IN– ● 0 VREF 0 VREF V Range Absolute Input Range IN+ Input – 0.05 VCC + 0.05 – 0.05 VCC + 0.05 V IN– Input – 0.05 VCC/2 – 0.05 VCC/2 V VREF Input Range LTC1864L SO-8 and MSOP, LTC1865L MSOP 1 VCC 1 VCC V Analog Input Leakage Current (Note 4) ● ±1 ±1 µA CIN Input Capacitance In Sample Mode 12 12 pF During Conversion 5 5 pF UWDY A IC ACCURACYTA = 25 ° C. VCC = 3V, VREF = 3V, fSAMPLE = 150kHz, unless otherwise noted.LTC1864L/LTC1865LSYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS SNR Signal-to-Noise Ratio 82 dB S/(N + D) Signal-to-Noise Plus Distortion Ratio 1kHz Input Signal 82 dB THD Total Hamonic Distortion Up to 5th Harmonic 1kHz Input Signal 92 dB Full Power Bandwidth 10 MHz Full Linear Bandwidth S/(N + D) ≥ 75dB 20 kHz UDIGITAL A D DC ELECTRICAL CHARACTERISTICS The ● denotes specifications which applyover the full operating temperature range, otherwise specifications are TA = 25 ° C. VCC = 2.7V, VREF = 2.5V, unless otherwise noted.LTC1864L/LTC1865LSYMBOLPARAMETERCONDITIONMINTYPMAXUNITS VIH High Level Input Voltage VCC = 3.3V ● 1.9 V VIL Low Level Input Voltage VCC = 2.7V ● 0.45 V IIH High Level Input Current VIN = VCC ● 2.5 µA IIL Low Level Input Current VIN = 0V ● – 2.5 µA VOH High Level Output Voltage VCC = 2.7V, IO = 10µA ● 2.3 2.6 V VCC = 2.7V, IO = 360µA ● 2.1 2.45 V VOL Low Level Output Voltage VCC = 2.7V, IO = 400µA ● 0.3 V IOZ Hi-Z Output Leakage CONV = VCC ● ±3 µA ISOURCE Output Source Current VOUT = 0V – 6.5 mA ISINK Output Sink Current VOUT = VCC 6.5 mA IREF Reference Current (LTC1864L SO-8 and CONV = VCC ● 0.001 3 µA MSOP, LTC1865L MSOP) fSMPL = fSMPL(MAX) ● 0.01 0.1 mA ICC Supply Current CONV = VCC After Conversion ● 0.5 10 µA fSMPL = fSMPL(MAX) ● 0.45 1.0 mA PD Power Dissipation fSMPL = fSMPL(MAX) 1.22 mW sn18645L 18645Lfs 3