Datasheet AD8045 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 3 nV/√Hz Ultralow Distortion, High Speed Op Amp |
| 页数 / 页 | 24 / 7 — Data Sheet. AD8045. TYPICAL PERFORMANCE CHARACTERISTICS. VS = ±5V. G = … |
| 修订版 | C |
| 文件格式/大小 | PDF / 1.1 Mb |
| 文件语言 | 英语 |
Data Sheet. AD8045. TYPICAL PERFORMANCE CHARACTERISTICS. VS = ±5V. G = +2. RL = 1k. 11 VS = ±5V. 18pF. 10 RF = 499. 10pF. G = –1. G = +10. 5pF
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Data Sheet AD8045 TYPICAL PERFORMANCE CHARACTERISTICS 1 12 VS = ±5V G = +2 RL = 1k
Ω
11 VS = ±5V 0 18pF RL = 1k
Ω
G = +2 10 RF = 499
Ω
10pF –1 9 8 –2 G = –1 G = +10 7 –3 6 5 –4 5pF 4 0pF –5 3 CLOSED-LOOP GAIN (dB) 2 –6 NORMALIZED CLOSED-LOOP GAIN (dB) 1 –7 0 1 10 100 1000 10 100 1000 FREQUENCY (MHz)
04814-0-049
FREQUENCY (MHz)
04814-0-048 Figure 7. Small Signal Frequency Response for Various Gains Figure 10. Small Signal Frequency Response for Various Capacitive Loads
4 4 G = +1 R G = +1 L = 1k
Ω
3 V V S = ±5V 3 S = ±5V R R S = 100
Ω
L = 1k
Ω
2 2 RL = 500
Ω
1 1 0 0 RL = 100
Ω
–1 –1 –40°C –2 –2 +125°C –3 –3 CLOSED-LOOP GAIN (dB) CLOSED-LOOP GAIN (dB) –4 –4 –5 –5 +25°C –6 –6 10 100 1000 10 100 1000 FREQUENCY (MHz)
04814-0-050
FREQUENCY (MHz)
04814-0-052 Figure 8. Small Signal Frequency Response for Various Loads Figure 11. Small Signal Frequency Response for Various Temperatures
5 6.3 G = +1 G = +2 V 4 RL = 1k
Ω
S = ±5V RS = 100
Ω
RF = 499
Ω
VS = ±2.5V 6.2 R 3 L = 150
Ω
2 VS = ±5V 6.1 V 1 OUT = 2V p-p 0 6.0 VOUT = 200mV p-p –1 5.9 –2 CLOSED-LOOP GAIN (dB) CLOSED-LOOP GAIN (dB) –3 5.8 –4 –5 5.7 10 100 1000 1 10 100 FREQUENCY (MHz)
04814-0-051
FREQUENCY (MHz)
04814-0-039 Figure 9. Small Signal Frequency Response for Various Supplies Figure 12. 0.1 dB Flatness vs. Frequency for Various Output Voltages Rev. C | Page 7 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
11 VS = ±5V 0 18pF RL = 1k
Ω
G = +2 10 RF = 499
Ω
10pF –1 9 8 –2 G = –1 G = +10 7 –3 6 5 –4 5pF 4 0pF –5 3 CLOSED-LOOP GAIN (dB) 2 –6 NORMALIZED CLOSED-LOOP GAIN (dB) 1 –7 0 1 10 100 1000 10 100 1000 FREQUENCY (MHz)
04814-0-049
FREQUENCY (MHz)
04814-0-048 Figure 7. Small Signal Frequency Response for Various Gains Figure 10. Small Signal Frequency Response for Various Capacitive Loads
4 4 G = +1 R G = +1 L = 1k
Ω
3 V V S = ±5V 3 S = ±5V R R S = 100
Ω
L = 1k
Ω
2 2 RL = 500
Ω
1 1 0 0 RL = 100
Ω
–1 –1 –40°C –2 –2 +125°C –3 –3 CLOSED-LOOP GAIN (dB) CLOSED-LOOP GAIN (dB) –4 –4 –5 –5 +25°C –6 –6 10 100 1000 10 100 1000 FREQUENCY (MHz)
04814-0-050
FREQUENCY (MHz)
04814-0-052 Figure 8. Small Signal Frequency Response for Various Loads Figure 11. Small Signal Frequency Response for Various Temperatures
5 6.3 G = +1 G = +2 V 4 RL = 1k
Ω
S = ±5V RS = 100
Ω
RF = 499
Ω
VS = ±2.5V 6.2 R 3 L = 150
Ω
2 VS = ±5V 6.1 V 1 OUT = 2V p-p 0 6.0 VOUT = 200mV p-p –1 5.9 –2 CLOSED-LOOP GAIN (dB) CLOSED-LOOP GAIN (dB) –3 5.8 –4 –5 5.7 10 100 1000 1 10 100 FREQUENCY (MHz)
04814-0-051
FREQUENCY (MHz)
04814-0-039 Figure 9. Small Signal Frequency Response for Various Supplies Figure 12. 0.1 dB Flatness vs. Frequency for Various Output Voltages Rev. C | Page 7 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