Datasheet AD820 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Single-Supply, Rail-to-Rail, Low Power, FET Input Op Amp |
| Pages / Page | 24 / 3 — AD820. SPECIFICATIONS. Table 1. AD820A. AD820B. Parameter. Conditions. … |
| Revision | H |
| File Format / Size | PDF / 432 Kb |
| Document Language | English |
AD820. SPECIFICATIONS. Table 1. AD820A. AD820B. Parameter. Conditions. Min. Typ. Max. Unit
Model Line for this Datasheet
Text Version of Document
link to page 4
AD820 SPECIFICATIONS
VS = 0 V, 5 V @ TA = 25°C, VCM = 0 V, VOUT = 0.2 V, unless otherwise noted.
Table 1. AD820A AD820B Parameter Conditions Min Typ Max Min Typ Max Unit
DC PERFORMANCE Initial Offset 0.1 0.8 0.1 0.4 mV Maximum Offset over Temperature 0.5 1.2 0.5 0.9 mV Offset Drift 2 2 μV/°C Input Bias Current V = 0 V to 4 V 2 25 2 10 pA CM At T 0.5 5 0.5 2.5 nA MAX Input Offset Current 2 20 2 10 pA At T 0.5 0.5 nA MAX Open-Loop Gain V = 0.2 V to 4 V OUT R = 100 kΩ 400 1000 500 1000 V/mV L T to T 400 400 V/mV MIN MAX R = 10 kΩ 80 150 80 150 V/mV L T to T 80 80 V/mV MIN MAX R = 1 kΩ 15 30 15 30 V/mV L T to T 10 10 V/mV MIN MAX NOISE/HARMONIC PERFORMANCE Input Voltage Noise f = 0.1 Hz to 10 Hz 2 2 μV p-p f = 10 Hz 25 25 nV/√Hz f = 100 Hz 21 21 nV/√Hz f = 1 kHz 16 16 nV/√Hz f = 10 kHz 13 13 nV/√Hz Input Current Noise f = 0.1 Hz to 10 Hz 18 18 fA p-p f = 1 kHz 0.8 0.8 fA/√Hz Harmonic Distortion R = 10 kΩ to 2.5 V L f = 10 kHz V = 0.25 V to 4.75 V −93 −93 dB OUT DYNAMIC PERFORMANCE Unity Gain Frequency 1.8 1.8 MHz Full Power Response V p-p = 4.5 V 210 210 kHz OUT Slew Rate 3 3 V/μs Settling Time V = 0.2 V to 4.5 V OUT To 0.1% 1.4 1.4 μs To 0.01% 1.8 1.8 μs INPUT CHARACTERISTICS Common-Mode Voltage Range1 T to T −0.2 +4 –0.2 +4 V MIN MAX CMRR V = 0 V to 2 V 66 80 72 80 dB CM T to T 66 66 dB MIN MAX Input Impedance Differential 1013||0.5 1013||0.5 Ω||pF Common Mode 1013||2.8 1013||2.8 Ω||pF Rev. H | Page 3 of 24 Document Outline Features Applications Pin Configurations General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Typical Performance Characteristics Applications Information Input Characteristics Output Characteristics Single-Supply Half-Wave and Full-Wave Rectifiers 4.5 V Low Dropout, Low Power Reference Low Power, 3-Pole, Sallen Key Low-Pass Filter Offset Voltage Adjustment Outline Dimensions Ordering Guide
AD820 SPECIFICATIONS
VS = 0 V, 5 V @ TA = 25°C, VCM = 0 V, VOUT = 0.2 V, unless otherwise noted.
Table 1. AD820A AD820B Parameter Conditions Min Typ Max Min Typ Max Unit
DC PERFORMANCE Initial Offset 0.1 0.8 0.1 0.4 mV Maximum Offset over Temperature 0.5 1.2 0.5 0.9 mV Offset Drift 2 2 μV/°C Input Bias Current V = 0 V to 4 V 2 25 2 10 pA CM At T 0.5 5 0.5 2.5 nA MAX Input Offset Current 2 20 2 10 pA At T 0.5 0.5 nA MAX Open-Loop Gain V = 0.2 V to 4 V OUT R = 100 kΩ 400 1000 500 1000 V/mV L T to T 400 400 V/mV MIN MAX R = 10 kΩ 80 150 80 150 V/mV L T to T 80 80 V/mV MIN MAX R = 1 kΩ 15 30 15 30 V/mV L T to T 10 10 V/mV MIN MAX NOISE/HARMONIC PERFORMANCE Input Voltage Noise f = 0.1 Hz to 10 Hz 2 2 μV p-p f = 10 Hz 25 25 nV/√Hz f = 100 Hz 21 21 nV/√Hz f = 1 kHz 16 16 nV/√Hz f = 10 kHz 13 13 nV/√Hz Input Current Noise f = 0.1 Hz to 10 Hz 18 18 fA p-p f = 1 kHz 0.8 0.8 fA/√Hz Harmonic Distortion R = 10 kΩ to 2.5 V L f = 10 kHz V = 0.25 V to 4.75 V −93 −93 dB OUT DYNAMIC PERFORMANCE Unity Gain Frequency 1.8 1.8 MHz Full Power Response V p-p = 4.5 V 210 210 kHz OUT Slew Rate 3 3 V/μs Settling Time V = 0.2 V to 4.5 V OUT To 0.1% 1.4 1.4 μs To 0.01% 1.8 1.8 μs INPUT CHARACTERISTICS Common-Mode Voltage Range1 T to T −0.2 +4 –0.2 +4 V MIN MAX CMRR V = 0 V to 2 V 66 80 72 80 dB CM T to T 66 66 dB MIN MAX Input Impedance Differential 1013||0.5 1013||0.5 Ω||pF Common Mode 1013||2.8 1013||2.8 Ω||pF Rev. H | Page 3 of 24 Document Outline Features Applications Pin Configurations General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Typical Performance Characteristics Applications Information Input Characteristics Output Characteristics Single-Supply Half-Wave and Full-Wave Rectifiers 4.5 V Low Dropout, Low Power Reference Low Power, 3-Pole, Sallen Key Low-Pass Filter Offset Voltage Adjustment Outline Dimensions Ordering Guide
