Datasheet LTC6800 (Analog Devices) - 6

LTC6800 Typical perForMance characTerisTics
VOS vs VREF Gain Nonlinearity, G = 1 Gain Nonlinearity, G = 10
30 10 10 VIN+ = VIN– = REF VS = ±2.5V VS = ±2.5V G = 10 8 VREF = 0V 8 VREF = 0V 20 TA = 25°C 6 G = 1 G = 10 R 6 L = 10k RL = 10k 4 TA = 25°C 4 TA = 25°C 10 2 2 (µV) 0 0 0 V OS VS = 5V V –2 –2 S = 3V –10 NONLINEARITY (ppm) –4 NONLINEARITY (ppm) –4 –6 –6 –20 –8 –8 –30 –10 –10 0 1 2 3 4 –2.4 –1.9 –1.4 –0.9 –0.4 0.1 0.6 1.1 1.6 –2.4 –1.4 –0.4 0.6 1.6 2.6 VREF (V) OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 6800 G16 6800 G17 6800 G18
Input Voltage Noise Density Input Referred Noise CMRR vs Frequency vs Frequency in 10Hz Bandwidth
130 V 300 3 S = 3V, 5V G = 10 V V S = 3V IN = 1VP-P •Hz) TA = 25°C TA = 25°C 120 TA = 25°C 250 R+ = R– = 1k 2 110 200 1 VS = 5V R+ = R– = 10k 100 150 V 0 R+ = 10k, R– = 0Ω S = 3V CMRR (db) R+ = 0Ω, R– = 10k 90 100 –1 R+ + 80 R– 50 –2 – INPUT REFFERED NOISE VOLTAGE (µV) INPUT REFERRED NOISE DENSITY (nV/ 70 0 –3 1 10 100 1000 1 10 100 1000 10000 –5 –3 –1 1 3 5 FREQUENCY (Hz) FREQUENCY (Hz) TIME (s) 6800 G19 6800 G20 6800 G21
Input Referred Noise Output Voltage Swing in 10Hz Bandwidth vs Output Current Supply Current vs Supply Voltage
3 5.0 1.00 VS = 5V TA = 25°C VS = 5V, SOURCING TA = 25°C 4.5 0.95 2 4.0 0.90 1 3.5 T V A = 125°C S = 3V, SOURCING T 3.0 0.85 A = 85°C 0 2.5 0.80 2.0 0.75 –1 1.5 TA = 0°C SUPPLY CURRENT (mA) T V 0.70 A = –55°C S = 3V, SINKING –2 OUTPUT VOLTAGE SWING (V) 1.0 V INPUT REFFERED NOISE VOLTAGE (µV) 0.5 S = 5V, SINKING 0.65 –3 0 0.60 –5 –3 –1 1 3 5 0.01 0.1 1 10 2.5 3.5 4.5 5.5 6 TIME (s) OUTPUT CURRENT (mA) SUPPLY VOLTAGE (V) 6800 G22 6800 G23 6800 G24 6800fb Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Related Parts Typical Application