Datasheet LTC2066, LTC2067, LTC2068 (Analog Devices) - 8

LTC2066/LTC2067/LTC2068
TYPICAL PERFORMANCE CHARACTERISTICS Input Offset and Average Current Input Offset and Average Current vs Input Common Mode Voltage vs Input Common Mode Voltage DC to 10Hz Voltage Noise
10 5 V V S = 1.8V V S = 5V 8 4 T S = ± 2.5V T A = 25°C A = 25°C V/DIV) 6 3 4 2 IAVG IAVG 2 1 0 0 (pA) (pA) TAGE NOISE (0.5µ I B I B –2 –1 –4 –2 IOS IOS –6 –3 –8 –4 –10 –5 INPUT REFERRED VOL –0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 –0.5 0 0.5 1 1.5 2 2.5 V V CM (V) CM (V) TIME (1s/DIV) 2066 G17 2066 G16 2066 G18
Input Referred Voltage Noise Input Referred Current Noise Density Density EMI Rejection vs Frequency
10k 10k 120 VS = 5V VIN = 100mVPK ) V ) CM = 2.5V EMIRR = 20log(100mV/∆VOS) Hz Hz /√ 100 Y (nV 1k Y (fA/√ 1k 80 VS = ± 0.9V EMIRR (dB) 60 100 100 VS = ± 2.5V TAGE NOISE DENSIT 40 VOL CURRENT NOISE DENSIT 10 10 20 0.1 1 10 100 1k 10k 100k 0.1 1 10 100 1k 10k 100k 1M 0.05 0.1 1 4 FREQUENCY (Hz) FREQUENCY (Hz) RF FREQUENCY (GHz) 2066 G19 2066 G20 2066 G21
Common Mode Rejection Ratio Power Supply Rejection Ratio vs Frequency vs Frequency Closed Loop Gain vs Frequency
140 120 70 RL = 499kΩ VS = 5V AV = +1000 VS = 5V R 60 L = 499kΩ RL = 499kΩ 120 100 RF = 1MΩ 50 AV = +100 100 40 VS = 5V 80 +PSRR 30 80 AV = +10 60 20 60 VS = 1.8V CMRR (dB) PSRR (dB) 10 –PSRR AV = +1 40 0 40 CLOSED LOOP GAIN (dB) –10 20 20 A –20 V = –1 0 0 –30 0.1 1 10 100 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 2066 G22 2066 G23 2066 G24 Rev. B 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Revision History Typical Application Related Parts