Datasheet LTC1197, LTC1197L, LTC1199, LTC1199L (Analog Devices) - 8

LTC1197/LTC1197L LTC1199/LTC1199L
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC1197L Change in Linearity LTC1197L Change in Offset LTC1197L Change in Gain Error vs Supply Voltage vs Supply Voltage vs Supply Voltage
1.0 2.0 1.0 VREF = 2.5V VREF = 2.5V VREF = 2.5V 0.8 f 0.8 CLK = 3.5MHz 1.5 fCLK = 3.5MHz fCLK = 3.5MHz 0.6 0.6 1.0 0.4 0.4 0.5 0.2 0.2 0 0 0 – 0.2 – 0.5 – 0.2 – 0.4 – 0.4 CHANGE IN OFFSET (LSBs) –1.0 CHANGE IN LINEARITY (LSBs) – 0.6 CHANGE IN GAIN ERROR (LSBs) – 0.6 – 0.8 –1.5 – 0.8 – 1.0 – 2.0 – 1.0 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) 1197/99 G10 1197/99 G11 1197/99 G12
LTC1197 Change in Linearity LTC1197 Change in Offset LTC1197 Change in Gain Error vs Supply Voltage vs Supply Voltage vs Supply Voltage
1.0 2.0 2.0 VREF = 4V V V 0.8 REF = 4V REF = 4V fCLK = 7MHz 1.5 fCLK = 7MHz 1.5 fCLK = 7MHz 0.6 TA = 25°C TA = 25°C TA = 25°C 1.0 1.0 0.4 0.2 0.5 0.5 0 0 0 – 0.2 – 0.5 – 0.5 – 0.4 CHANGE IN OFFSET (LSBs) –1.0 –1.0 CHANGE IN LINEARITY (LSBs) – 0.6 CHANGE IN GAIN ERROR (LSBs) – 0.8 –1.5 –1.5 – 1.0 – 2.0 – 2.0 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) 1197/99 G13 1197/99 G14 1197/99 G15
LTC1197 Linearity Error LTC1197 Offset Error LTC1197 Gain Error vs Reference Voltage vs Reference Voltage vs Reference Voltage
2.0 2.5 2.0 VCC = 5V VCC = 5V VCC = 5V fCLK = 7.2MHz fCLK = 7.2MHz fCLK = 7.2MHz TA = 25°C 2.0 TA = 25°C TA = 25°C 1.5 1.5 1.5 1.0 1.0 1.0 GAIN ERROR (LSBs) OFFSET ERROR (LSBs) LINEARITY ERROR (LSBs) 0.5 0.5 0.5 0 0 0 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) 1197/99 F16 1197/99 G17 1197/99 F18 8