Datasheet LT6656 (Analog Devices) - 8

LT6656
TYPICAL PERFORMANCE CHARACTERISTICS Output Impedance vs Frequency Output Impedance vs Frequency Ground Current vs Load Current
10k 10k 1000 VIN = VOUT + 0.5V 2.5V OPTION ALL OPTIONS CL = 1µF VIN = 3V VIN = VOUT + 0.5V IL = 0 CL = 1µF 1k 1k 100 100 100 10 OUTPUT IMPEDANCE (Ω) 10 OUTPUT IMPEDANCE (Ω) 10 GROUND CURRENT (µA) IL = 0, CL = 1µF TA = 125°C 1.25V OPTION IL = 0, CL = 10µF TA = 85°C 2.5V OPTION IL = 100µA, CL = 1µF TA = 25°C 5V OPTION IL = 100µA, CL = 10µF TA = –55°C 1 1 1 10 100 1k 10k 10 100 1k 10k 10µ 100µ 1m 10m FREQUENCY (Hz) FREQUENCY (Hz) LOAD CURRENT (A) 6656 G21 6656 G22 6656 G07
Reverse Input Current Reverse Output Current Output Noise 0.1Hz to 10Hz
1000 100 ALL OPTIONS ALL OPTIONS ALL OPTIONS VOUT = GND VIN = GND VIN = VOUT + 0.5V CL = 1µF 100 IL = 0 10 10 1 TA = 125°C TA = 125°C OUTPUT NOISE (20ppm/DIV) REVERSE INPUT CURRENT (µA) TA = 85°C REVERSE OUTPUT CURRENT (µA) TA = 85°C TA = 25°C TA = 25°C TA = –55°C TA = –55°C 0 1 0 –2 –4 –6 –8 –10 –12 –14 –16 –18 –20 0 5 10 15 20 TIME (1s/DIV) INPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 6656 G13 6656 G11 6656 G12
Output Voltage Noise Spectrum Output Noise Voltage Spectrum Output Voltage Noise Spectrum vs Load Current vs Load Capacitance
30 16 40 VIN = VOUT + 5V 2.5V OPTION I 2.5V OPTION L = 0 CL = 1µF 14 VIN = 3V IL = 10µA 35 VIN = 3V 25 IL = 0 CL = 1µF I I L = 250µA L = 0 CL = 47µF Hz) IL = 1mA ) /√ Hz 12 Hz 30 20 V/√ V/√ 10 25 V RMS 5V OPTION 15 TAGE (µ 8 TAGE (µ 20 TAGE (µ CL = 4.7µF 6 15 10 NOISE VOL 4 NOISE VOL 10 CL = 0.47µF NOISE VOL 2.5V OPTION 5 2 5 1.25V OPTION 0 0 0 10 100 1k 10k 10 100 1k 10k 1 10 100 1k FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 6656 G24 6656 G14 6656 G15 6656fc 8 For more information www.linear.com/LT6656 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Available Options Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts