Datasheet AD8318 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | 1 MHz TO 8 GHz, 70 dB Logarithmic Detector/Controller |
| Pages / Page | 24 / 10 — AD8318. Data Sheet. j0.5. 10k. RF OFF. j0.2. ) z H V/ n Y (. 0.2. 0.5. … |
| Revision | D |
| File Format / Size | PDF / 2.9 Mb |
| Document Language | English |
AD8318. Data Sheet. j0.5. 10k. RF OFF. j0.2. ) z H V/ n Y (. 0.2. 0.5. 0.1GHz. –60dBm. 8GHz. –40dBm. D L. –20dBm. 5.8GHz. 0.9GHz. –j0.2. EC 100. 1.9GHz. ISE SP
Model Line for this Datasheet
Text Version of Document
AD8318 Data Sheet j1 j2 j0.5 10k RF OFF j0.2 ) z H V/ n Y ( 1k T 0 0.2 0.5 1 2 SI 0.1GHz –60dBm 8GHz EN –40dBm D L –20dBm A 5.8GHz R 0.9GHz T –j0.2 EC 100 1.9GHz ISE SP –10dBm O 3.6GHz 2.2GHz N 0dBm
8 01 3-
–j0.5 –j2
85 04 5
10
01
1 3 10 30 100 300 1k 3k 10k
3-
START FREQUENCY = 0.1GHz
85
STOP FREQUENCY = 8GHz –j1 FREQUENCY (kHz)
04 Figure 16. Input Impedance vs. Frequency; No Termination Resistor on Figure 19. Noise Spectral Density of Output; CLPF = Open INHI, ZO = 50 Ω
0.07 1k 0.06 ) z H V/ 0.05 n A) ( Y ( T NT SI 0.04 DECREASING V EN RRE ENBL INCREASING VENBL D 100 L CU A 0.03 Y R L T P EC UP S 0.02 ISE SP O 0.01 N
9 16 0 01 3- 3- 85 85
0
04
10
04
1.4 1.5 1.6 1.7 1.8 1 3 10 30 100 300 1k 3k 10k VENBL (V) FREQUENCY (kHz)
Figure 17. Supply Current vs. Enable Voltage Figure 20. Noise Spectral Density of Output Buffer (from CLPF to VOUT); CLPF = 0.1 μF
2.2 2.0 2.0 1.6 VOUT 1.8 1.2 1.6 0.8 200mV/VERTICAL DIVISION 1.4 0.4 ) B) d (V T 1.2 0 R ( OUV 1.0 –0.4 RRO E PULSED RF INPUT 0.1GHz, 0.8 –0.8 –10dBm GND 0.6 –1.2 0.4 –1.6
0 02 7 3- -01 85 3
0.2 –2.0
04 85
–65 –55 –45 –35 –25 –15 –5 5 15
04
20ns PER HORIZONTAL DIVISION PIN (dBm)
Figure 18. VOUT Pulse Response Time; Pulsed RF Input 0.1 GHz, –10 dBm; Figure 21. Output Voltage Stability vs. Supply Voltage at 1.9 GHz CLPF = Open When VP Varies by 10%, Multiple Devices Rev. D | Page 10 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Using the AD8318 Basic Connections Enable Interface Input Signal Coupling Output Interface Setpoint Interface Temperature Compensation of Output Voltage Temperature Sensor Measurement Mode Device Calibration and Error Calculation Selecting Calibration Points to Improve Accuracy over a Reduced Range Variation in Temperature Drift from Device to Device Temperature Drift at Different Temperatures Setting the Output Slope in Measurement Mode Response Time Capability Output Filtering Controller Mode Characterization Setup and Methods Evaluation Board Outline Dimensions Ordering Guide
8 01 3-
–j0.5 –j2
85 04 5
10
01
1 3 10 30 100 300 1k 3k 10k
3-
START FREQUENCY = 0.1GHz
85
STOP FREQUENCY = 8GHz –j1 FREQUENCY (kHz)
04 Figure 16. Input Impedance vs. Frequency; No Termination Resistor on Figure 19. Noise Spectral Density of Output; CLPF = Open INHI, ZO = 50 Ω
0.07 1k 0.06 ) z H V/ 0.05 n A) ( Y ( T NT SI 0.04 DECREASING V EN RRE ENBL INCREASING VENBL D 100 L CU A 0.03 Y R L T P EC UP S 0.02 ISE SP O 0.01 N
9 16 0 01 3- 3- 85 85
0
04
10
04
1.4 1.5 1.6 1.7 1.8 1 3 10 30 100 300 1k 3k 10k VENBL (V) FREQUENCY (kHz)
Figure 17. Supply Current vs. Enable Voltage Figure 20. Noise Spectral Density of Output Buffer (from CLPF to VOUT); CLPF = 0.1 μF
2.2 2.0 2.0 1.6 VOUT 1.8 1.2 1.6 0.8 200mV/VERTICAL DIVISION 1.4 0.4 ) B) d (V T 1.2 0 R ( OUV 1.0 –0.4 RRO E PULSED RF INPUT 0.1GHz, 0.8 –0.8 –10dBm GND 0.6 –1.2 0.4 –1.6
0 02 7 3- -01 85 3
0.2 –2.0
04 85
–65 –55 –45 –35 –25 –15 –5 5 15
04
20ns PER HORIZONTAL DIVISION PIN (dBm)
Figure 18. VOUT Pulse Response Time; Pulsed RF Input 0.1 GHz, –10 dBm; Figure 21. Output Voltage Stability vs. Supply Voltage at 1.9 GHz CLPF = Open When VP Varies by 10%, Multiple Devices Rev. D | Page 10 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Using the AD8318 Basic Connections Enable Interface Input Signal Coupling Output Interface Setpoint Interface Temperature Compensation of Output Voltage Temperature Sensor Measurement Mode Device Calibration and Error Calculation Selecting Calibration Points to Improve Accuracy over a Reduced Range Variation in Temperature Drift from Device to Device Temperature Drift at Different Temperatures Setting the Output Slope in Measurement Mode Response Time Capability Output Filtering Controller Mode Characterization Setup and Methods Evaluation Board Outline Dimensions Ordering Guide
