Datasheet ADA4817-1, ADA4817-2 (Analog Devices)

Low Noise, 1 GHz FastFET Op Amps Data Sheet ADA4817-1 /ADA4817-2 FEATURES CONNECTION DIAGRAMS High speed ADA4817-1 TOP VIEW −3 dB bandwidth (G = 1, RL = 100 Ω): 1050 MHz (Not to Scale) Slew rate: 870 V/µs PD 1 8 +VS 0.1% settling time: 9 ns FB 2 7 OUT Input bias current: 2 pA typical –IN 3 6 NIC Input capacitance +IN 4 5 –VS Common-mode capacitance: 1.3 pF typical
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NOTES Differential mode capacitance: 0.1 pF typical 1. NIC = NO INTERNAL CONNECTION.
07756-
Low input noise
Figure 1. 8-Lead LFCSP (CP-8-13)
Voltage noise: 4 nV/√Hz at 100 kHz ADA4817-1 Current noise: 2.5 fA/√Hz at 100 kHz TOP VIEW (Not to Scale) Low distortion: −90 dBc at 10 MHz (G = 1, RL = 1 kΩ) Linear output current: 40 mA FB 1 8 PD Supply quiescent current per amplifier: 19 mA typical –IN 2 7 +VS +IN 3 6 OUT Powered down supply quiescent current per amplifier: –VS 4 5 NIC 1.5 mA typical
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APPLICATIONS NOTES 1. NIC = NO INTERNAL CONNECTION.
07756-
Photodiode amplifiers
Figure 2. 8-Lead SOIC (RD-8-1)
Data acquisition front ends ADA4817-2 Instrumentation TOP VIEW (Not to Scale) Filters T1 S1 ADC drivers B1 D1 F P +V OU Output buffers 16 15 14 13 –IN1 1 12 –VS1 +IN1 2 11 NIC NIC 3 10 +IN2 –V 4 9 S2 –IN2 5 6 7 8 T2 S2 D2 B2 P F OU +V
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NOTES 1. NIC = NO INTERNAL CONNECTION.
07756- Figure 3. 16-Lead LFCSP (CP-16-20)
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Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAMS TABLE OF CONTENTS REVISION HISTORY GENERAL DESCRIPTION SPECIFICATIONS ±5 V OPERATION 5 V OPERATION ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM SAFE POWER DISSIPATION ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION CLOSED-LOOP FREQUENCY RESPONSE NONINVERTING CLOSED-LOOP FREQUENCY RESPONSE INVERTING CLOSED-LOOP FREQUENCY RESPONSE WIDEBAND OPERATION DRIVING CAPACITIVE LOADS THERMAL CONSIDERATIONS POWER-DOWN OPERATION CAPACITIVE FEEDBACK HIGHER FREQUENCY ATTENUATION LAYOUT, GROUNDING, AND BYPASSING CONSIDERATIONS SIGNAL ROUTING POWER SUPPLY BYPASSING GROUNDING EXPOSED PAD LEAKAGE CURRENTS INPUT CAPACITANCE INPUT-TO-INPUT/OUTPUT COUPLING APPLICATIONS INFORMATION LOW DISTORTION PINOUT WIDEBAND PHOTODIODE PREAMP HIGH SPEED JFET INPUT INSTRUMENTATION AMPLIFIER ACTIVE LOW-PASS FILTER (LPF) OUTLINE DIMENSIONS ORDERING GUIDE