Datasheet LTC2066, LTC2067, LTC2068 (Analog Devices) - 9

LTC2066/LTC2067/LTC2068
TYPICAL PERFORMANCE CHARACTERISTICS Open Loop Gain and Phase Open Loop Gain and Phase vs Frequency vs Frequency LTC2067 Crosstalk vs Frequency
140 0 140 0 0 V V = 1.8V S = 5V S R 120 L = 10k PHASE R 120 R L = 499kΩ –45 L = 499kΩ –30 –20 100 –90 100 –60 80 –135 PHASE 80 –40 –90 60 –180 PHASE (°) 60 PHASE (°) –120 –60 40 –225 40 ALK (dB) –150 GAIN (dB) GAIN 20 –270 GAIN (dB) 20 –80 GAIN –180 CROSST 0 –315 0 –100 –20 –210 C –360 –20 L = 0pF CL = 0pF C –120 –40 L = 47pF –405 –40 CL = 47pF –240 B to A CL = 100pF CL = 100pF A to B –60 –450 –60 –270 –140 1m 10m100m 1 10 100 1k 10k 100k 1M 10M 1m 10m100m 1 10 100 1k 10k 100k 1M 10M 100 1k 10k 100k 1M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 2066 G25 2066 G26 2066 G27
Shutdown Transient with LTC2068 Crosstalk vs Frequency Open Loop Gain vs Load Sinusoidal Input
0 150 RL = 10k ADJACENT CHANNELS VS = 5V DIAGONAL CHANNELS –20 VSHDN 145 5V/DIV –40 IS 140 5µA/DIV –60 ALK (dB) 135 –80 VOUT, VIN 0.1V/DIV CROSST 130 –100 OPEN LOOP GAIN (dB) 2066 G29 –120 125 400µs/DIV VS = ±2.5V –140 120 A 100 1k 10k 100k 1M V = +1 1 10 100 500 FREQUENCY (Hz) RLOAD (kΩ) 2066 G28 2066 G30
Shutdown Transient with Enable Transient with Enable Transient with Sinusoidal Input Sinusoidal Input Sinusoidal Input
VSHDN VSHDN VSHDN 2V/DIV 5V/DIV 2V/DIV IS IS 5µA/DIV IS 5µA/DIV 5µA/DIV VOUT, VIN 0.1V/DIV V VOUT, VIN OUT, VIN 1V/DIV 0.2V/DIV 400µs/DIV 2066 G31 400µs/DIV 2066 G32 400µs/DIV 2066 G33 VS = ±0.9V VS = ±2.5V VS = ±0.9V AV = +1 AV = +1 AV = +1 Rev. B For more information www.analog.com 9 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