Datasheet AD8045 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 3 nV/√Hz Ultralow Distortion, High Speed Op Amp |
| 页数 / 页 | 24 / 8 — AD8045. Data Sheet. G = +1. VS = ±5V. RL = 1k. –45. S = 100. VOUT = 2V … |
| 修订版 | C |
| 文件格式/大小 | PDF / 1.1 Mb |
| 文件语言 | 英语 |
AD8045. Data Sheet. G = +1. VS = ±5V. RL = 1k. –45. S = 100. VOUT = 2V p-p. –90. –135. –180. VS = ±2.5V. –225. OPEN-LOOP GAIN (dB). –270
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AD8045 Data Sheet 2 70 0 G = +1 VS = ±5V 1 RL = 1k
Ω
RL = 1k
Ω
R 60 –45 S = 100
Ω
0 VOUT = 2V p-p –1 50 –90 VS = ±5V –2 40 –135 –3 –4 30 –180 VS = ±2.5V –5 20 –225 –6 –7 OPEN-LOOP GAIN (dB) 10 –270 CLOSED-LOOP GAIN (dB) –8 OPEN-LOOP PHASE (Degrees) 0 –315 –9 –10 –10 –360 10 100 1000 0.01 0.1 1 10 100 1000 FREQUENCY (MHz)
04814-0-043
FREQUENCY (MHz)
04814-0-064 Figure 13. Large Signal Frequency Response for Various Supplies Figure 16. Open-Loop Gain and Phase vs. Frequency
2 –20 G = +1 G = +1 1 VS = ±5V –30 VS = ±5V RS = 100
Ω
VOUT = 2V p-p 0 VOUT = 2V p-p –40 RL = 1k
Ω
R –1 S = 100
Ω
RL = 1k
Ω
–50 –2 –60 –3 –4 –70 RL = 100
Ω
–5 –80 HD3 SOIC AND LFCSP –6 –90 –7 CLOSED-LOOP GAIN (dB) HD2 LFCSP –100 –8 HARMONIC DISTORTION (dBc) HD2 SOIC –110 –9 –10 –120 10 100 1000 0.1 1 10 100 FREQUENCY (MHz) FREQUENCY (MHz)
04814-0-042 04814-0-030 Figure 14. Large Signal Frequency Response for Various Loads Figure 17. Harmonic Distortion vs. Frequency for Various Packages
2 –30 G = +2 G = +1 1 V –40 S = ±5V VOUT = 4V p-p HD2 SOIC R 0 L = 1k
Ω
–50 –1 HD2 LFCSP –60 –2 G = +10 G = –1 –70 HD3 LFCSP AND SOIC –3 –80 –4 –90 –5 –100 –6 VS = ±5V HARMONIC DISTORTION (dBc) RF = 499
Ω
–110 NORMALIZED CLOSED-LOOP GAIN (dB) –7 RL = 1k
Ω
VOUT = 2V p-p –8 –120 1 10 100 1000 0.1 1 10 100 FREQUENCY (MHz)
04814-0-041
FREQUENCY (MHz)
04814-0-028 Figure 15. Large Signal Frequency Response for Various Gains Figure 18. Harmonic Distortion vs. Frequency for Various Packages Rev. C | Page 8 of 24 Document Outline Features Applications Connection Diagrams General Description Table of Contents Revision History Specifications with ±5 V Supply Specifications with +5 V Supply Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Circuit Configurations Wideband Operation Theory of Operation Frequency Response DC Errors Output Noise Applications Information Low Distortion Pinout High Speed ADC Driver 90 MHz Active Low-Pass Filter (LPF) Printed Circuit Board Layout Signal Routing Power Supply Bypassing Grounding Exposed Paddle Driving Capacitive Loads Outline Dimensions Ordering Guide
Ω
RL = 1k
Ω
R 60 –45 S = 100
Ω
0 VOUT = 2V p-p –1 50 –90 VS = ±5V –2 40 –135 –3 –4 30 –180 VS = ±2.5V –5 20 –225 –6 –7 OPEN-LOOP GAIN (dB) 10 –270 CLOSED-LOOP GAIN (dB) –8 OPEN-LOOP PHASE (Degrees) 0 –315 –9 –10 –10 –360 10 100 1000 0.01 0.1 1 10 100 1000 FREQUENCY (MHz)
04814-0-043
FREQUENCY (MHz)
04814-0-064 Figure 13. Large Signal Frequency Response for Various Supplies Figure 16. Open-Loop Gain and Phase vs. Frequency
2 –20 G = +1 G = +1 1 VS = ±5V –30 VS = ±5V RS = 100
Ω
VOUT = 2V p-p 0 VOUT = 2V p-p –40 RL = 1k
Ω
R –1 S = 100
Ω
RL = 1k
Ω
–50 –2 –60 –3 –4 –70 RL = 100
Ω
–5 –80 HD3 SOIC AND LFCSP –6 –90 –7 CLOSED-LOOP GAIN (dB) HD2 LFCSP –100 –8 HARMONIC DISTORTION (dBc) HD2 SOIC –110 –9 –10 –120 10 100 1000 0.1 1 10 100 FREQUENCY (MHz) FREQUENCY (MHz)
04814-0-042 04814-0-030 Figure 14. Large Signal Frequency Response for Various Loads Figure 17. Harmonic Distortion vs. Frequency for Various Packages
2 –30 G = +2 G = +1 1 V –40 S = ±5V VOUT = 4V p-p HD2 SOIC R 0 L = 1k
Ω
–50 –1 HD2 LFCSP –60 –2 G = +10 G = –1 –70 HD3 LFCSP AND SOIC –3 –80 –4 –90 –5 –100 –6 VS = ±5V HARMONIC DISTORTION (dBc) RF = 499
Ω
–110 NORMALIZED CLOSED-LOOP GAIN (dB) –7 RL = 1k
Ω
VOUT = 2V p-p –8 –120 1 10 100 1000 0.1 1 10 100 FREQUENCY (MHz)
04814-0-041
FREQUENCY (MHz)
04814-0-028 Figure 15. Large Signal Frequency Response for Various Gains Figure 18. Harmonic Distortion vs. Frequency for Various Packages Rev. C | Page 8 of 24 Document Outline Features Applications Connection Diagrams General Description Table of Contents Revision History Specifications with ±5 V Supply Specifications with +5 V Supply Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Circuit Configurations Wideband Operation Theory of Operation Frequency Response DC Errors Output Noise Applications Information Low Distortion Pinout High Speed ADC Driver 90 MHz Active Low-Pass Filter (LPF) Printed Circuit Board Layout Signal Routing Power Supply Bypassing Grounding Exposed Paddle Driving Capacitive Loads Outline Dimensions Ordering Guide