Datasheet LT1990-10 (Analog Devices) - 9

LT1990-10
TYPICAL PERFORMANCE CHARACTERISTICS Voltage Noise Density Warm–up Drift Settling Time vs Output Step vs Frequency
40 30 10000 VS = ±15V V VS = ±1.5V TO ±15V T S = ±15V A = 25°C T V) 30 R ) A = 25°C REFERRED TO INPUT L = 10k 25 Hz REFERRED TO INPUT 0.01% OF /√ 20 TAGE (µ STEP 0.01% OF Y (nV 10 20 STEP 1000 0 TLING TIME (µS) 15 0.1% OF STEP 0.1% OF –10 SET STEP TAGE NOISE DENSIT 10 CHANGE IN OFFSET VOL –20 VOL –30 5 100 0 10 20 30 40 50 60 –10 –8 –6 –4 –2 0 2 4 6 8 10 1 10 100 1k 10k TIME AFTER POWER–UP (S) OUTPUT STEP (V) FREQUENCY (Hz) 1990 G19 1990 G20 1990 G21
0.1Hz to 10Hz Noise Voltage 0.01Hz to 1Hz Noise Voltage Overshoot vs Capacitive Load
60 VS = ±1.5V TO ±15V VS = ±1.5V TO ±15V VOUT = ±50mV TA = 25°C TA = 25°C RL = 10k REFERRED TO INPUT REFERRED TO INPUT 50 V/DIV) V/DIV) 40 30 TAGE (10µ TAGE (10µ OVERSHOOT (%) 20 NOISE VOL NOISE VOL 10 VS = ±15V VS = 3V, 0V 0 0 1 2 3 4 5 6 7 8 9 10 0 10 20 30 40 50 60 70 80 90 100 10 100 1000 10000 TIME (S) TIME (S) CAPACITIVE LOAD (pF) 199010 G23 1990 G22 1990 G24
Instability with Output Saturated to V+ Small Signal Transient Response Small Signal Transient Response
1400 VS = 3V, 0V V R S = ±15V 1200 UNSTABLE L = 10k R V L=10k REF = 1.5V VREF=GND 1000 STABLE 800 /DIV /DIV 600 50mV 50mV ACITIVE LOAD (pF) CAP 400 STABLE ILOAD = 1mA ILOAD = 2mA 200 ILOAD = 3mA ILOAD = 4mA STABLE ILOAD = 5mA 0 0 5 10 15 20 25 30 50µs/DIV 50µs/DIV SUPPLY VOLTAGE (V) 1990 G26 199010 G27 1990 G25 Rev 0 For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information 3V/5V Electrical Characteristics Electrical Characteristics ±15V Electrical Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Typical Applications Related Parts