Datasheet LTC1293, LTC1294, LTC1296 (Analog Devices) - 5

LTC1293/LTC1294/LTC1296
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Unadjusted Offset Voltage vs Supply Current vs Supply Voltage Supply Current vs Temperature Reference Voltage
10 10 0.9 CLK = 1MHz CLK = 1MHz VCC = 5V TA = 25°C 9 VCC = 5V 0.8 ) 8 REF 0.7 8 × V 0.6 6 7 0.5 4 6 0.4 VOS = 0.250mV SUPPLY CURRENT (mA) SUPPLY CURRENT (mA) 5 0.3 2 OFFSET (LSB = 1/4096 4 0.2 VOS = 0.125mV 0 3 0.1 4 5 6 –50 –30 –10 10 30 50 70 90 110 130 1 2 3 4 5 SUPPLY VOLTAGE (V) AMBIENT TEMPERATURE (°C) REFERENCE VOLTAGE (V) LTC1293 G01 LTC1293 G02 LTC1293 G03
Change in Linearity vs Reference Change in Gain vs Reference Voltage Voltage Change in Offset vs Temperature
) 1.25 0 0.5 REF ) VCC = 5V VCC = 5V × V REF VREF = 5V –0.2 1.00 × V 0.4 CLK = 1MHz –0.4 LTC1294/6 0.75 0.3 –0.6 0.50 0.2 –0.8 0.25 0.1 –1.0 LTC1293 CHANGE IN GAIN (LSB = 1/4096 MAGNITUDE OF OFFSET CHANGE (LSB) CHANGE IN LINEARITY (LSB = 1/4096 0 –1.2 0 0 1 2 3 4 5 0 1 2 3 4 5 –50 –25 0 25 50 75 100 125 REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) AMBIENT TEMPERATURE (°C) LTC1293 G04 LTC1293 G05 LTC1293 G06
Change in Linearity vs Minimum Clock Rate for 0.1LSB Temperature Change in Gain vs Temperature Error
0.5 0.5 VCC = 5V VCC = 5V VCC = 5V VREF = 5V VREF = 5V 0.25 0.4 CLK = 1MHz 0.4 CLK = 1MHz 0.20 0.3 0.3 0.15 0.2 0.2 0.10 0.1 0.1 0.05 MAGNITUDE OF GAIN CHANGE (LSB) MINIMUM CLK FREQUENCY* (MHz) MAGNITUDE OF LINEARITY CHANGE (LSB) 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) LTC1293 G07 LTC1293 G08 LTC1293 G09 * AS THE CLK FREQUENCY IS DECREASED FROM 1MHz, MINIMUM CLK FREQUENCY (∆ERROR ≤ 0.1LSB) REPRESENTS THE FREQUENCY AT WHICH A 0.1LSB SHIFT IN ANY CODE TRANSITION FROM ITS 1MHz VALUE IS FIRST DETECTED. 129346fs 5