Datasheet AD8307 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | DC to 500 MHz, 92 dB Logarithmic Amplifier |
| 页数 / 页 | 25 / 7 — AD8307. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. A) (m. B) d. … |
| 修订版 | E |
| 文件格式/大小 | PDF / 494 Kb |
| 文件语言 | 英语 |
AD8307. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. A) (m. B) d. TEMPERATURE ERROR @ +85°C. R (. URRE. C Y. RRO
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AD8307 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 8 3 7 2 6 A) (m 1 T 5 N B) d TEMPERATURE ERROR @ +85°C 4 R ( URRE 0 C Y RRO L 3 E P –1 TEMPERATURE ERROR @ +25°C UP S 2 TEMPERATURE ERROR @ –40°C –2 1
03 6 0 00 2- 2- 08 08
0
01
–3
01
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 –80 –60 –40 –20 0 20 VENB (V) INPUT LEVEL (dBm)
Figure 3. Supply Current vs. VENB (5 V) Figure 6. Log Conformance vs. Input Level (dBm) at −40°C, +25°C, and +85°C
8 3 INPUT FREQUENCY 10MHz 7 ) 6 A (m 2 T 5 EN ) INPUT FREQUENCY 100MHz R (V R 4 T U OU Y C V 3 PPL 1 U INPUT FREQUENCY 300MHz S 2 INPUT FREQUENCY 500MHz 1
04 07 0 0 2- 2- 08 08
0
01
0
01
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 –80 –60 –40 –20 0 20 VENB (V) INPUT LEVEL (dBm)
Figure 4. Supply Current vs. VENB (3 V) Figure 7. VOUT vs. Input Level (dBm) at Various Frequencies
3 1.5 2 1.0 1 INPUT FREQUENCY = 300MHz 0.5 B) B) d d CFO VALUE = 0.01µF R ( 0 R ( 0 RRO RRO E E –1 –0.5 CFO VALUE = 1µF INPUT FREQUENCY = 100MHz CFO VALUE = 0.1µF –2 –1.0
5 8 0 00 0 2- 2- 08 08
–3
01
–1.5
01
–80 –60 –40 –20 0 20 –80 –60 –40 –20 0 20 INPUT LEVEL (dBm) INPUT LEVEL (dBm)
Figure 5. Log Conformance vs. Input Level (dBm), 100 MHz and 300 MHz Figure 8. Log Conformance vs. CFO Values at 1 kHz Input Frequency Rev. E | Page 6 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
03 6 0 00 2- 2- 08 08
0
01
–3
01
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 –80 –60 –40 –20 0 20 VENB (V) INPUT LEVEL (dBm)
Figure 3. Supply Current vs. VENB (5 V) Figure 6. Log Conformance vs. Input Level (dBm) at −40°C, +25°C, and +85°C
8 3 INPUT FREQUENCY 10MHz 7 ) 6 A (m 2 T 5 EN ) INPUT FREQUENCY 100MHz R (V R 4 T U OU Y C V 3 PPL 1 U INPUT FREQUENCY 300MHz S 2 INPUT FREQUENCY 500MHz 1
04 07 0 0 2- 2- 08 08
0
01
0
01
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 –80 –60 –40 –20 0 20 VENB (V) INPUT LEVEL (dBm)
Figure 4. Supply Current vs. VENB (3 V) Figure 7. VOUT vs. Input Level (dBm) at Various Frequencies
3 1.5 2 1.0 1 INPUT FREQUENCY = 300MHz 0.5 B) B) d d CFO VALUE = 0.01µF R ( 0 R ( 0 RRO RRO E E –1 –0.5 CFO VALUE = 1µF INPUT FREQUENCY = 100MHz CFO VALUE = 0.1µF –2 –1.0
5 8 0 00 0 2- 2- 08 08
–3
01
–1.5
01
–80 –60 –40 –20 0 20 –80 –60 –40 –20 0 20 INPUT LEVEL (dBm) INPUT LEVEL (dBm)
Figure 5. Log Conformance vs. Input Level (dBm), 100 MHz and 300 MHz Figure 8. Log Conformance vs. CFO Values at 1 kHz Input Frequency Rev. E | Page 6 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