Datasheet AD8318 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | 1 MHz TO 8 GHz, 70 dB Logarithmic Detector/Controller |
| Pages / Page | 24 / 8 — AD8318. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 2.2. 2.0. 1.6. … |
| Revision | D |
| File Format / Size | PDF / 2.9 Mb |
| Document Language | English |
AD8318. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 2.2. 2.0. 1.6. 1.8. 1.2. 0.8. 1.4. 0.4. T 1.2. R (. 1.0. –0.4. RRO. –0.8. 0.6. –1.2. –1.6. 0.2. –2.0. –65
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Text Version of Document
AD8318 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
VPOS = 5 V; TA = +25°C, −40°C, +85°C; CLPF = 220 pF; RTADJ = 500 Ω; unless otherwise noted. Colors: +25°C Black; −40°C Blue; +85°C Red.
2.2 2.0 2.2 2.0 2.0 1.6 2.0 1.6 1.8 1.2 1.8 1.2 1.6 0.8 1.6 0.8 1.4 0.4 1.4 0.4 ) B) B) d ) d (V (V T 1.2 0 R ( T 1.2 0 R ( OU OU V V 1.0 –0.4 RRO RRO E 1.0 –0.4 E 0.8 –0.8 0.8 –0.8 0.6 –1.2 0.6 –1.2 0.4
03
–1.6
06 0
0.4 –1.6
0 3- 3- 85 85
0.2
04
–2.0 0.2
04
–2.0 –65 –55 –45 –35 –25 –15 –5 5 15 –65 –55 –45 –35 –25 –15 –5 5 15 PIN (dBm) PIN (dBm)
Figure 4. VOUT and Log Conformance vs. Input Amplitude at 900 MHz, Figure 7. VOUT and Log Conformance vs. Input Amplitude at 3.6 GHz, Typical Device Typical Device, RTADJ = 51 Ω
2.2 2.0 2.2 2.0 2.0 1.6 2.0 1.6 1.8 1.2 1.8 1.2 1.6 0.8 1.6 0.8 1.4 0.4 1.4 0.4 ) B) B) d ) d (V (V T 1.2 0 R ( T 1.2 0 R ( OU OU V V 1.0 –0.4 RRO RRO E 1.0 –0.4 E 0.8 –0.8 0.8 –0.8 0.6 –1.2 0.6 –1.2 0.4
04
–1.6
07 0
0.4 –1.6
0 3- 3- 85 85
0.2
04
–2.0 0.2
04
–2.0 –65 –55 –45 –35 –25 –15 –5 5 15 –65 –55 –45 –35 –25 –15 –5 5 15 PIN (dBm) PIN (dBm)
Figure 5. VOUT and Log Conformance vs. Input Amplitude at 1.9 GHz, Figure 8. VOUT and Log Conformance vs. Input Amplitude at 5.8 GHz, Typical Device Typical Device, RTADJ = 1000 Ω
2.2 2.0 2.2 4.5 2.0 1.6 2.0 3.6 1.8 1.2 1.8 2.7 1.6 0.8 1.6 1.8 1.4 0.4 1.4 0.9 ) B) B) d ) d (V (V T 1.2 0 R ( T 1.2 0 R ( OU OU V V 1.0 –0.4 RRO RRO E 1.0 –0.9 E 0.8 –0.8 0.8 –1.8 0.6 –1.2 0.6 –2.7 0.4
05
–1.6
08 0
0.4 –3.6
0 3- 3- 85 85
0.2
04
–2.0 0.2
04
–4.5 –65 –55 –45 –35 –25 –15 –5 5 15 –65 –55 –45 –35 –25 –15 –5 5 PIN (dBm) PIN (dBm)
Figure 6. VOUT and Log Conformance vs. Input Amplitude at 2.2 GHz, Figure 9. VOUT and Log Conformance vs. Input Amplitude at 8 GHz, Typical Device Typical Device Rev. D | Page 8 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
VPOS = 5 V; TA = +25°C, −40°C, +85°C; CLPF = 220 pF; RTADJ = 500 Ω; unless otherwise noted. Colors: +25°C Black; −40°C Blue; +85°C Red.
2.2 2.0 2.2 2.0 2.0 1.6 2.0 1.6 1.8 1.2 1.8 1.2 1.6 0.8 1.6 0.8 1.4 0.4 1.4 0.4 ) B) B) d ) d (V (V T 1.2 0 R ( T 1.2 0 R ( OU OU V V 1.0 –0.4 RRO RRO E 1.0 –0.4 E 0.8 –0.8 0.8 –0.8 0.6 –1.2 0.6 –1.2 0.4
03
–1.6
06 0
0.4 –1.6
0 3- 3- 85 85
0.2
04
–2.0 0.2
04
–2.0 –65 –55 –45 –35 –25 –15 –5 5 15 –65 –55 –45 –35 –25 –15 –5 5 15 PIN (dBm) PIN (dBm)
Figure 4. VOUT and Log Conformance vs. Input Amplitude at 900 MHz, Figure 7. VOUT and Log Conformance vs. Input Amplitude at 3.6 GHz, Typical Device Typical Device, RTADJ = 51 Ω
2.2 2.0 2.2 2.0 2.0 1.6 2.0 1.6 1.8 1.2 1.8 1.2 1.6 0.8 1.6 0.8 1.4 0.4 1.4 0.4 ) B) B) d ) d (V (V T 1.2 0 R ( T 1.2 0 R ( OU OU V V 1.0 –0.4 RRO RRO E 1.0 –0.4 E 0.8 –0.8 0.8 –0.8 0.6 –1.2 0.6 –1.2 0.4
04
–1.6
07 0
0.4 –1.6
0 3- 3- 85 85
0.2
04
–2.0 0.2
04
–2.0 –65 –55 –45 –35 –25 –15 –5 5 15 –65 –55 –45 –35 –25 –15 –5 5 15 PIN (dBm) PIN (dBm)
Figure 5. VOUT and Log Conformance vs. Input Amplitude at 1.9 GHz, Figure 8. VOUT and Log Conformance vs. Input Amplitude at 5.8 GHz, Typical Device Typical Device, RTADJ = 1000 Ω
2.2 2.0 2.2 4.5 2.0 1.6 2.0 3.6 1.8 1.2 1.8 2.7 1.6 0.8 1.6 1.8 1.4 0.4 1.4 0.9 ) B) B) d ) d (V (V T 1.2 0 R ( T 1.2 0 R ( OU OU V V 1.0 –0.4 RRO RRO E 1.0 –0.9 E 0.8 –0.8 0.8 –1.8 0.6 –1.2 0.6 –2.7 0.4
05
–1.6
08 0
0.4 –3.6
0 3- 3- 85 85
0.2
04
–2.0 0.2
04
–4.5 –65 –55 –45 –35 –25 –15 –5 5 15 –65 –55 –45 –35 –25 –15 –5 5 PIN (dBm) PIN (dBm)
Figure 6. VOUT and Log Conformance vs. Input Amplitude at 2.2 GHz, Figure 9. VOUT and Log Conformance vs. Input Amplitude at 8 GHz, Typical Device Typical Device Rev. D | Page 8 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
