Datasheet LTC1605 (Analog Devices) - 6

LTC1605
TYPICAL PERFORMANCE CHARACTERISTICS Change in CAP Voltage Supply Current vs Supply Voltage Supply Current vs Temperature vs Load Current
12.5 12.0 0.05 fSAMPLE = 100kHz fSAMPLE = 100kHz 0.04 12.0 0.03 0.02 11.5 0.01 11.5 0 –0.01 11.0 –0.02 11.0 –0.03 –0.04 10.5 –0.05 SUPPLY CURRENT (mA) 10.5 –0.06 CHANGE IN CAP VOLTAGE (V) 10.0 –0.07 POSITIVE SUPPLY CURRENT (mA) –0.08 –0.09 9.5 10.0 –0.10 4.50 4.75 5.00 5.25 5.50 –50 –25 0 25 50 75 100 –80 –70 –60 –50 –40 –30 –20 –10 0 10 TEMPERATURE (°C) LOAD CURRENT (mA) SUPPLY VOLTAGE (V) 1605 • TPC01 1605 • TPC02 1605 • TPC03
Power Supply Feedthrough vs Typical INL Curve Typical DNL Curve Ripple Frequency
2.0 2.0 –20 1.5 1.5 –30 1.0 1.0 0.5 0.5 –40 0 0 INL (LSBs) –0.5 DNL (LSBs) –0.5 –50 –1.0 –1.0 –60 –1.5 –1.5 POWER SUPPLY FEEDTHROUGH (dB) –2.0 –2.0 –70 0 16384 32768 49152 65535 0 16384 32768 49152 65535 1 10 100 1k 10k 100k 1M CODE CODE RIPPLE FREQUENCY (Hz) 1605 • TPC04 1605 • TPC05 1605 • TPC06
LTC1605 Nonaveraged 4096 Point FFT Plot
0 –10 –20 fSAMPLE = 100kHz fIN = 1kHz –30 SINAD = 87.5dB –40 THD = –101.7dB –50 –60 –70 –80 MAGNITUDE (dB) –90 –100 –110 –120 –130 0 5 10 15 20 25 30 35 40 45 50 FREQUENCY (kHz) 1605 • TPC07 1605fd 6 For more information www.linear.com/LTC1605 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Timing Characteristics Power Requirements Typical Performance Characteristics Pin Functions Test Circuit Functional Block Diagram Applications Information Package Description Revision History Package Description Related Parts