Datasheet LTC6255, LTC6256, LTC6257 (Analog Devices) - 9

LTC6255/LTC6256/LTC6257
TYPICAL PERFORMANCE CHARACTERISTICS Noise Voltage Density Wide Band Noise Voltage Density
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vs Frequency
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vs Frequency Input Noise Current vs Frequency
Hz Hz /√ 300 80 V /√ ) 25 S = ±2.5V VS = ±2.5V VS = ±2.5V V V Hz V Y (nV CM = 0V 70 CM = 0V /√ CM = 0V 250 Y (nV 20 60 200 50 TAGE DENSIT TAGE DENSIT 15 150 40 30 10 100 20 50 5 10 INPUT REFERRED NOISE CURRENT (pA 0 0 0 INPUT REFERRED NOISE VOL 1 10 100 1k 10k 100k INPUT REFERRED NOISE VOL 0 2M 4M 6M 1 10 100 1k 10k FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 625567 G19 625567 G20 625567 G21
Total Harmonic Distortion Total Harmonic Distortion and Noise and Noise Gain and Phase vs Frequency
1 1 80 –60 VS = ±0.9V VS = ±2.5V VS = ±2.5V VCM = 0V VCM = 0V 70 VCM = 0V –70 AV = 2 AV = 2 R 60 –80 G = RF = 10kΩ RF = RG = 10kΩ 50 –90 0.1 0.1 PHASE 40 –100 PHASE 30 –110 THD+N (%) THD+N (%) 20 –120 0.01 1kHz 0.01 AMPLITUDE (dB) MAGNITUDE 10 –130 500Hz 1kHz 0 –140 –10 –150 500Hz 0.001 0.001 –20 –160 0.01 0.1 1 10 0.01 0.1 1 10k 100k 1M 10M VOUTP-P (V) VOUTP-P (V) FREQUENCY (Hz) 625567 G22 625567 G23 625567 G24
Common Mode Rejection Ratio Power Supply Rejection Ratio Slew Rate vs Supply Voltage vs Frequency vs Frequency
2.5 150 150 VS = ±2.5V V+, VS = 1.8V, 0V VCM = 0V V+, VS = 5V, 0V V–, V 2.0 S = 1.8V, 0V V–, VS = 5V, 0V RISING /µs) 100 100 1.5 TE (V FALLING 1.0 CMMR (dB) PSSR (dB) SLEW RA 50 50 0.5 VS– = 0V VSTEP = VS+ – 1V AV = 1 RF = RG = 10kΩ 0 0 0 1.5 2.5 3.5 4.5 5.5 1k 10k 100k 1M 10M 0.001 0.01 0.1 1 10 100 1k 10k VS+, SUPPLY VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (Hz) 625567 G25 625567 G26 625567 G27 Rev E For more information www.analog.com 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information 5V Electrical Characteristics 1.8V Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Schematic Operation Applications Information Typical Applications Package Description Typical Application Related Parts