Datasheet AD8307 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Low Cost, DC to 500 MHz, 92 dB Logarithmic Amplifier |
| Pages / Page | 24 / 7 — Data Sheet. AD8307. 3.0. 100MHz. INT P. 2.5. IN = 3.0V. 10MHz, INT = … |
| Revision | F |
| File Format / Size | PDF / 430 Kb |
| Document Language | English |
Data Sheet. AD8307. 3.0. 100MHz. INT P. 2.5. IN = 3.0V. 10MHz, INT = –96.52dBm. 2.0. +INPUT. IN = 4.0V. 10MHz, INT = –87.71dBm. T 1.5. OUV
Model Line for this Datasheet
Text Version of Document
Data Sheet AD8307 3.0 3 100MHz INT P 2.5 IN = 3.0V 10MHz, INT = –96.52dBm 2 2.0 1 ) INT P B) +INPUT V IN = 4.0V ( 10MHz, INT = –87.71dBm (d T 1.5 R 0 O OUV RR NO CONNECT ON INT E 1.0 10MHz, INT = –82.90dBm –1 –INPUT 0.5 –2
9 00 12 0 2- 2- 08 08
0
01
–3
01
–80 –70 –60 –50 –40 –30 –20 –10 0 10 20 –80 –60 –40 –20 0 20 INPUT LEVEL (dBm) INPUT LEVEL (dBm)
Figure 9. VOUT vs. Input Level at 5 V Supply; Showing Intercept Adjustment Figure 12. Log Conformance vs. Input Level at 100 MHz Showing Response to Alternative Inputs
3.0 3 2.5 INT VOLTAGE 2 INT = 1.0V, INT = –86dBm 500MHz 2.0 1 INT VOLTAGE ) INT NO CONNECT, INT = –71dBm B) V ( (d T 1.5 R 0 OU O V RR E 1.0 –1 100MHz 0.5 INT VOLTAGE INT = 2.0V, INT = –78dBm –2
0 3 01 2- 01 2- 08 08
0
01
–3
01
–80 –70 –60 –50 –40 –30 –20 –10 0 10 –90 –70 –50 –30 –10 10 INPUT LEVEL (dBm) INPUT LEVEL (dBm)
Figure 10. VOUT vs. Input Level at 3 V Supply Using AD820 as Buffer, Figure 13. Log Conformance vs. Input Level at 100 MHz and 500 MHz; Gain = +2; Showing Intercept Adjustment Input Driven Differentially Using Transformer
2.5 3 2 2.0 500MHz 1 ) 1.5 ) 100MHz @ –40°C B V (d ( T R 0 OUV RO R 1.0 100MHz @ +25°C E 100MHz –1 10MHz 0.5 –2 100MHz @ +85°C
11 14 0 0 2- 2- 08 108
0
01
–3
0
–80 –60 –40 –20 0 20 –70 –60 –50 –40 –30 –20 –10 0 10 20 INPUT LEVEL (dBm) INPUT LEVEL (dBm)
Figure 11. VOUT vs. Input Level at Three Temperatures (−40°C, +25°C, +85°C) Figure 14. Log Conformance vs. Input Level at 3 V Supply Using AD820 as Buffer, Gain = +2 Rev. F | Page 7 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS LOG AMP THEORY PROGRESSIVE COMPRESSION DEMODULATING LOG AMPS INTERCEPT CALIBRATION OFFSET CONTROL EXTENSION OF RANGE INTERFACES ENABLE INTERFACE INPUT INTERFACE OFFSET INTERFACE OUTPUT INTERFACE THEORY OF OPERATION BASIC CONNECTIONS INPUT MATCHING NARROW-BAND MATCHING SLOPE AND INTERCEPT ADJUSTMENTS APPLICATIONS INFORMATION BUFFERED OUTPUT FOUR-POLE FILTER 1 µW TO 1 kW 50 Ω POWER METER MEASUREMENT SYSTEM WITH 120 dB DYNAMIC RANGE OPERATION AT LOW FREQUENCIES OUTLINE DIMENSIONS ORDERING GUIDE
9 00 12 0 2- 2- 08 08
0
01
–3
01
–80 –70 –60 –50 –40 –30 –20 –10 0 10 20 –80 –60 –40 –20 0 20 INPUT LEVEL (dBm) INPUT LEVEL (dBm)
Figure 9. VOUT vs. Input Level at 5 V Supply; Showing Intercept Adjustment Figure 12. Log Conformance vs. Input Level at 100 MHz Showing Response to Alternative Inputs
3.0 3 2.5 INT VOLTAGE 2 INT = 1.0V, INT = –86dBm 500MHz 2.0 1 INT VOLTAGE ) INT NO CONNECT, INT = –71dBm B) V ( (d T 1.5 R 0 OU O V RR E 1.0 –1 100MHz 0.5 INT VOLTAGE INT = 2.0V, INT = –78dBm –2
0 3 01 2- 01 2- 08 08
0
01
–3
01
–80 –70 –60 –50 –40 –30 –20 –10 0 10 –90 –70 –50 –30 –10 10 INPUT LEVEL (dBm) INPUT LEVEL (dBm)
Figure 10. VOUT vs. Input Level at 3 V Supply Using AD820 as Buffer, Figure 13. Log Conformance vs. Input Level at 100 MHz and 500 MHz; Gain = +2; Showing Intercept Adjustment Input Driven Differentially Using Transformer
2.5 3 2 2.0 500MHz 1 ) 1.5 ) 100MHz @ –40°C B V (d ( T R 0 OUV RO R 1.0 100MHz @ +25°C E 100MHz –1 10MHz 0.5 –2 100MHz @ +85°C
11 14 0 0 2- 2- 08 108
0
01
–3
0
–80 –60 –40 –20 0 20 –70 –60 –50 –40 –30 –20 –10 0 10 20 INPUT LEVEL (dBm) INPUT LEVEL (dBm)
Figure 11. VOUT vs. Input Level at Three Temperatures (−40°C, +25°C, +85°C) Figure 14. Log Conformance vs. Input Level at 3 V Supply Using AD820 as Buffer, Gain = +2 Rev. F | Page 7 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS LOG AMP THEORY PROGRESSIVE COMPRESSION DEMODULATING LOG AMPS INTERCEPT CALIBRATION OFFSET CONTROL EXTENSION OF RANGE INTERFACES ENABLE INTERFACE INPUT INTERFACE OFFSET INTERFACE OUTPUT INTERFACE THEORY OF OPERATION BASIC CONNECTIONS INPUT MATCHING NARROW-BAND MATCHING SLOPE AND INTERCEPT ADJUSTMENTS APPLICATIONS INFORMATION BUFFERED OUTPUT FOUR-POLE FILTER 1 µW TO 1 kW 50 Ω POWER METER MEASUREMENT SYSTEM WITH 120 dB DYNAMIC RANGE OPERATION AT LOW FREQUENCIES OUTLINE DIMENSIONS ORDERING GUIDE
