Datasheet LTC1091, LTC1092, LTC1093, LTC1094 (Analog Devices) - 7

LTC1091/LTC1092 LTC1093/LTC1094
W U TYPICAL PERFOR A CE CH C ARA TERISTICS LTC1092/LTC1093/LTC1094 LTC1092/LTC1093/LTC1094 LTC1092/LTC1093/LTC1094 Unadjusted Offset Error vs Linearity Error vs Change in Full-Scale Error vs Reference Voltage Reference Voltage Reference Voltage
) 10 1.25 REF 1.25 VCC = 5V ) VCC = 5V VCC = 5V 9 ) REF 1 REF 8 1.00 1024 1.00 1 7 1 1024 1024 6 0.75 0.75 5 4 0.50 0.50 VOS = 1mV 3 2 0.25 0.25 OFFSET ERROR (LSB = • V 1 LINEARITY ERROR (LSB = • V VOS = 0.5mV 0 0 0 0.1 0.2 1 5 10 0 1 2 3 4 5 CHANGE IN FULL-SCALE ERROR (LSB = • V 0 1 2 3 4 5 REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) 1091/2/3/4 G19 1092/2/3/4 G20 1092/2/3/4 G21
LTC1092/LTC1093/LTC1094 LTC1092/LTC1093/LTC1094 LTC1092/LTC1093/LTC1094 Noise Error vs Reference Voltage Offset Error vs Supply Voltage Linearity Error vs Supply Voltage
2.00 1.25 1.25 NOISE = 200µVP-P VREF = 4V VREF = 4V 1.75 fCLK = 500kHz fCLK = 500kHz 1.00 VOS = 1.25mV AT VCC = 5V 1.00 1.50 1.25 0.75 0.75 1.00 0.50 0.75 0.50 OFFSET ERROR (LSB) 0.50 LINEARITY ERROR (LSB) 0.25 0.25 PEAK-TO-PEAK NOISE ERROR (LSB) 0.25 0 0 0 0.1 0.2 1 5 10 4 5 6 7 8 9 10 4 5 6 7 8 9 10 REFERENCE VOLTAGE (V) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) 1091/2/3/4 G22 1091/2/3/4 G23 1091/2/3/4 G24
LTC1092/LTC1093/LTC1094 Change in Full-Scale Error vs LTC1092/LTC1093/LTC1094 LTC1092/LTC1093/LTC1094 Supply Voltage Supply Current vs Supply Voltage Supply Current vs Temperature
0.50 6 1.4 VREF = 4V V V REF OPEN REF OPEN fCLK = 500kHz f 5 fCLK = 500kHz CLK = 500kHz 1.2 0.25 CS = V CS = 5V CC T V A = 25°C CC = 5V 4 1.0 0 3 0.8 – 0.25 2 0.6 SUPPLY CURRENT (mA) SUPPLY CURRENT (mA) –0.50 1 0.4 CHANGE IN FULL-SCALE ERROR (LSB) –0.75 0 0.2 4 5 6 7 8 9 10 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) AMBIENT TEMPERATURE (°C) 1091/2/3/4 G25 1091/2/3/4 G26 1091/2/3/4 G27 7