Datasheet LTC1196, LTC1198 (Analog Devices) - 5

LTC1196/LTC1198
RECOMMENDED OPERATING CONDITIONS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VCC = 2.7V operation. LTC1196-1 LTC1196-2 LTC1198-1 LTC1198-2 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
fCLK Clock Frequency 0.01 5.4 0.01 4 MHz l 0.01 4.6 0.01 3 MHz tCYC Total Cycle Time LTC1196 12 12 CLK LTC1198 16 16 CLK tSMPL Analog Input Sampling Time 2.5 2.5 CLK thCS Hold Time CS LOW After Last CLK↑ 20 40 ns tsuCS Setup Time CS↓ Before First CLK↑ 40 78 ns (See Figures 1, 2) thDI Hold Time DIN After CLK↑ LTC1198 40 78 ns tsuDI Setup Time DIN Stable Before CLK↑ LTC1198 40 78 ns tWHCLK CLK HIGH Time fCLK = fCLK(MAX) 40% 40% 1/fCLK tWLCLK CLK LOW Time fCLK = fCLK(MAX) 40% 40% 1/fCLK tWHCS CS HIGH Time Between Data Transfer 50 96 ns Cycles tWLCS CS LOW Time During Data Transfer LTC1196 11 11 CLK LTC1198 15 15 CLK
CONVERTER AND MULTIPLEXER CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VCC = 2.7V, VREF = 2.5V, fCLK = fCLK(MAX) as defi ned in Recommended Operating Conditions, unless otherwise noted. LTC1196-1A/LTC1196-2A LTC1196-1B/LTC1196-2B LTC1198-1A/LTC1198-2A LTC1198-1B/LTC1198-2B PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
No Missing Codes Resolution l 8 8 Bits Offset Error l ±1/2 ±1 LSB Linearity Error (Note 3) l ±1/2 ±1 LSB Full-Scale Error l ±1/2 ±1 LSB Total Unadjusted Error (Note 4) LTC1196, VREF = 2.5.000V l ±1/2 ±1 LSB LTC1198, VCC = 2.700V Analog and REF Input Range LTC1196 –0.05V to VCC + 0.05V V Analog Input Leakage Current (Note 5) l ±1 ±1 μA
DIGITAL AND DC ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VCC = 2.7V, VREF = 2.5V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VCC = 3.6V l 1.9 V VIL Low Level Input Voltage VCC = 2.7V l 0.45 V IIH High Level Input Current VIN = VCC l 2.5 μA IIL Low Level Input Current VIN = 0V l –2.5 μA VOH High Level Output Voltage VCC = 2.7V, IO = 10μA l 2.3 2.60 V VCC = 2.7V, IO = 360μA l 2.1 2.45 V VOL Low Level Output Voltage VCC = 2.7V, IO = 400μA l 0.3 V IOZ Hi-Z Output Leakage CS = HIGH l ±3 μA 119698fb 5