Datasheet LTC1272 (Analog Devices) - 7

LTC1272
TYPICAL PERFORMANCE CHARACTERISTICS Differential Nonlinearity
1.0 VDD = 5V fCLK = 4MHz 0.5 0 INL ERROR (LSBs) –0.5 –1.0 0 512 1024 1536 2048 2560 3072 3584 4096 CODE LTC1272 • G02
VDD Supply Current vs Minimum Clock Frequency vs Maximum Clock Frequency vs Temperature Temperature Temperature
30 600 8 VDD = 5V VDD = 5V f 25 CLK = 4MHz 500 7 (mA) DD 20 400 6 15 300 5 10 200 4 SUPPLY CURRENT, I CLOCK FREQUENCY (kHz) CLOCK FREQUENCY (MHz) V DD 5 100 3 0 0 2 –55 –25 0 25 50 75 100 125 –55 –25 0 25 50 75 100 125 –55 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) LT1272 • G03 LT1272 • G04 LT1272 • G05
VREF vs ILOAD (mA) LTC1272 ENOBs* vs Frequency
2.435 12 11 2.430 10 9 2.425 8 7 (V) 2.420 6 V REF ENOBs* 5 2.415 4 3 2.410 2 f 1 S = 250kHz VDD = 5V 2.405 0 –5 –4 –3 –2 –1 0 1 2 0 20 40 60 80 100 120 IL (mA) fIN (kHz) LT1272 • G06 S/(N + D) – 1.76dB *EFFECTIVE NUMBER OF BITS, ENOBs = 6.02 LT1272 • G07 1272fc For more information www.linear.com/1272 7 Document Outline FEATURES APPLICATIONS DESCRIPTION TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION CONVERTER CHARACTERISTICS INTERNAL REFERENCE CHARACTERISTICS DIGITAL AND DC ELECTRICAL CHARACTERISTICS DYNAMIC ACCURACY ANALOG INPUT TIMING CHARACTERISTICS PIN FUNCTIONS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION REVISION HISTORY PACKAGE DESCRIPTION