Datasheet AD8306 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 5 MHz–400 MHz 100 dB High Precision Limiting-Logarithmic Amplifier |
| 页数 / 页 | 16 / 4 — AD8306–Typical Performance Characteristics. 100. VLOG. 500mV PER. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 407 Kb |
| 文件语言 | 英语 |
AD8306–Typical Performance Characteristics. 100. VLOG. 500mV PER. VERTICAL. DIVISION. A = +25. TA = –40. 0.1. TA = +85. 0.01
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AD8306–Typical Performance Characteristics 100 10 VLOG 500mV PER 1 VERTICAL T DIVISION A = +25
8
C TA = –40
8
C 0.1 TA = +85
8
C 0.01 GROUND REFERENCE INPUT LEVEL SHOWN IS –3dBV INPUT SUPPLY CURRENT – mA 0.001 1V PER 0.0001 VERTICAL DIVISION 100ns PER HORIZONTAL DIVISION 0.00001 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 ENABLE VOLTAGE – V
Figure 1. Supply Current vs. Enable Voltage @ Figure 4. RSSI Pulse Response for Inputs Stepped from TA = –40°C, +25°C and +85°C Zero to –83 dBV, –63 dBV, –43 dBV, –23 dBV, –3 dBV
14 12 VLOG 500mV PER 10 VERTICAL ADDITIONAL SUPPLY CURRENT DIVISION 8 6 GROUND REFERENCE SUPPLY CURRENT – mA 4 INPUT 2V PER 2 LIMITER OUTPUT VERTICAL CURRENT DIVISION 100ns PER HORIZONTAL DIVISION 0 0 50 100 150 200 250 300 350 400 450 RLIM –
V Figure 2. Additional Supply Current and Limiter Output Figure 5. Large Signal RSSI Pulse Response with RL = 100 Ω Current vs. RLIM and CL = 33 pF, 100 pF and 330 pF (Overlapping Curves)
270pF 27pF VLOG VLOG 500mV PER VERTICAL DIVISION 200mV PER 3300pF VERTICAL DIVISION GROUND REFERENCE INPUT GROUND REFERENCE 2V PER VERTICAL DIVISION 100ns PER HORIZONTAL DIVISION 100
m
s PER HORIZONTAL DIVISION
Figure 3. Large Signal RSSI Pulse Response with Figure 6. Small Signal AC Response of RSSI Output with CL = 100 pF and RL = 50 Ω and 75 Ω (Curves Overlap) External Filter Capacitance of 27 pF, 270 pF and 3300 pF –4– REV. A
8
C TA = –40
8
C 0.1 TA = +85
8
C 0.01 GROUND REFERENCE INPUT LEVEL SHOWN IS –3dBV INPUT SUPPLY CURRENT – mA 0.001 1V PER 0.0001 VERTICAL DIVISION 100ns PER HORIZONTAL DIVISION 0.00001 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 ENABLE VOLTAGE – V
Figure 1. Supply Current vs. Enable Voltage @ Figure 4. RSSI Pulse Response for Inputs Stepped from TA = –40°C, +25°C and +85°C Zero to –83 dBV, –63 dBV, –43 dBV, –23 dBV, –3 dBV
14 12 VLOG 500mV PER 10 VERTICAL ADDITIONAL SUPPLY CURRENT DIVISION 8 6 GROUND REFERENCE SUPPLY CURRENT – mA 4 INPUT 2V PER 2 LIMITER OUTPUT VERTICAL CURRENT DIVISION 100ns PER HORIZONTAL DIVISION 0 0 50 100 150 200 250 300 350 400 450 RLIM –
V Figure 2. Additional Supply Current and Limiter Output Figure 5. Large Signal RSSI Pulse Response with RL = 100 Ω Current vs. RLIM and CL = 33 pF, 100 pF and 330 pF (Overlapping Curves)
270pF 27pF VLOG VLOG 500mV PER VERTICAL DIVISION 200mV PER 3300pF VERTICAL DIVISION GROUND REFERENCE INPUT GROUND REFERENCE 2V PER VERTICAL DIVISION 100ns PER HORIZONTAL DIVISION 100
m
s PER HORIZONTAL DIVISION
Figure 3. Large Signal RSSI Pulse Response with Figure 6. Small Signal AC Response of RSSI Output with CL = 100 pF and RL = 50 Ω and 75 Ω (Curves Overlap) External Filter Capacitance of 27 pF, 270 pF and 3300 pF –4– REV. A