Datasheet AD8368 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | 800 MHz, Linear-in-dB VGA with AGC Detector |
| Pages / Page | 20 / 10 — AD8368. Data Sheet. 1.0. 0.9. 0.8. 0.6. dB). +85°C. 0.7. 0.4. R (. 0.2. … |
| Revision | C |
| File Format / Size | PDF / 743 Kb |
| Document Language | English |
AD8368. Data Sheet. 1.0. 0.9. 0.8. 0.6. dB). +85°C. 0.7. 0.4. R (. 0.2. RRO. (V). 0.5. SSI. –40°C. ANCE. –0.2. +25°C. 0.3. –0.4 NF. –0.4. –0.6 CO. 0.1. –0.8. –1.0. –40. –35. –30
Model Line for this Datasheet
Text Version of Document
AD8368 Data Sheet 1.0 1.0 1.0 1.0 0.9 0.8 0.9 0.8 0.8 0.6 0.8 0.6 dB) +85°C dB) 0.7 0.4 R ( 0.7 0.4 R ( 0.6 0.2 RRO 0.6 0.2 RRO (V) E E 0.5 0 (V) 0.5 0 SSI SSI R +85°C –40°C ANCE –40°C ANCE 0.4 –0.2 R 0.4 –0.2 RM +25°C RM O +25°C O 0.3 –0.4 NF 0.3 –0.4 +25°C NF –40°C 0.2 –0.6 CO 0.2 –0.6 CO 0.1 –0.8
021
0.1 –0.8
024
–40°C +85°C +25°C +85°C 0 –1.0
05907-
0 –1.0
05907-
–40 –35 –30 –25 –20 –15 –10 –5 0 5 –40 –35 –30 –25 –20 –15 –10 –5 0 5 RF INPUT (dBm) RF INPUT (dBm)
Figure 21. RSSI (VDETO) and Conformance Error vs. Input Power (f = 70 MHz) Figure 24. RSSI (VDETO) and Conformance Error vs. Input Power (f = 380 MHz)
1.0 1.0 VRSSI 0.9 0.8 0.8 0.6 dB) 0.7 0.4 R ( VOUTP 0.6 0.2 RRO E (V) D (V) E 0.5 0 ITU SSI R +85°C +25°C ANCE 0.4 –0.2 MPL RM A –40°C O 0.3 –0.4 NF –40°C 0.2 –0.6 CO 0.1 –0.8
022 025
+25°C 0 +85°C –1.0
05907- 05907-
–40 –35 –30 –25 –20 –15 –10 –5 0 5 CH2 50mV Ω CH3 100mV Ω M20µs 500MS/s A CH1 410mV 2.0ns/PT RF INPUT (dBm)
Figure 22. RSSI (VDETO) and Conformance Error vs. Input Power (f = 140 MHz) Figure 25. AGC Time Domain Response (3 dB Power Step, CDETO = 1 nF)
1.0 1.0 80 8 0.9 0.8 70 7 0.8 0.6 dB) 60 4.5V 6 0.7 0.4 R ( (mA) (mA) 0.6 0.2 50 5 RRO NT NT (V) E 5.5V 5.5V 0.5 0 40 5.0V 4 SSI R +85°C +25°C ANCE 0.4 –0.2 E CURRE RM 30 3 –40°C O PLY CURRE 0.3 –0.4 5.0V NF SABL –40°C SUP 20 2 DI 0.2 –0.6 CO 0.1 –0.8 10 1
023 026
+25°C 4.5V 0 +85°C –1.0
05907-
0 0
05907-
–40 –35 –30 –25 –20 –15 –10 –5 0 5 –40 –20 0 20 40 60 80 RF INPUT (dBm) TEMPERATURE (°C)
Figure 23. RSSI (VDETO) and Conformance Error vs. Input Power (f = 240 MHz) Figure 26. Supply Current and Disable Current vs. Temperature Rev. C | Page 10 of 20 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 CIRCUIT DESCRIPTION INPUT ATTENUATOR AND INTERPOLATOR FIXED-GAIN STAGE AND OUTPUT BUFFER OUTPUT OFFSET CORRECTION INPUT AND OUTPUT IMPEDANCES GAIN CONTROL INTERFACE APPLICATIONS INFORMATION VGA OPERATION AGC OPERATION STABILITY AND LAYOUT CONSIDERATIONS EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE
021
0.1 –0.8
024
–40°C +85°C +25°C +85°C 0 –1.0
05907-
0 –1.0
05907-
–40 –35 –30 –25 –20 –15 –10 –5 0 5 –40 –35 –30 –25 –20 –15 –10 –5 0 5 RF INPUT (dBm) RF INPUT (dBm)
Figure 21. RSSI (VDETO) and Conformance Error vs. Input Power (f = 70 MHz) Figure 24. RSSI (VDETO) and Conformance Error vs. Input Power (f = 380 MHz)
1.0 1.0 VRSSI 0.9 0.8 0.8 0.6 dB) 0.7 0.4 R ( VOUTP 0.6 0.2 RRO E (V) D (V) E 0.5 0 ITU SSI R +85°C +25°C ANCE 0.4 –0.2 MPL RM A –40°C O 0.3 –0.4 NF –40°C 0.2 –0.6 CO 0.1 –0.8
022 025
+25°C 0 +85°C –1.0
05907- 05907-
–40 –35 –30 –25 –20 –15 –10 –5 0 5 CH2 50mV Ω CH3 100mV Ω M20µs 500MS/s A CH1 410mV 2.0ns/PT RF INPUT (dBm)
Figure 22. RSSI (VDETO) and Conformance Error vs. Input Power (f = 140 MHz) Figure 25. AGC Time Domain Response (3 dB Power Step, CDETO = 1 nF)
1.0 1.0 80 8 0.9 0.8 70 7 0.8 0.6 dB) 60 4.5V 6 0.7 0.4 R ( (mA) (mA) 0.6 0.2 50 5 RRO NT NT (V) E 5.5V 5.5V 0.5 0 40 5.0V 4 SSI R +85°C +25°C ANCE 0.4 –0.2 E CURRE RM 30 3 –40°C O PLY CURRE 0.3 –0.4 5.0V NF SABL –40°C SUP 20 2 DI 0.2 –0.6 CO 0.1 –0.8 10 1
023 026
+25°C 4.5V 0 +85°C –1.0
05907-
0 0
05907-
–40 –35 –30 –25 –20 –15 –10 –5 0 5 –40 –20 0 20 40 60 80 RF INPUT (dBm) TEMPERATURE (°C)
Figure 23. RSSI (VDETO) and Conformance Error vs. Input Power (f = 240 MHz) Figure 26. Supply Current and Disable Current vs. Temperature Rev. C | Page 10 of 20 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 CIRCUIT DESCRIPTION INPUT ATTENUATOR AND INTERPOLATOR FIXED-GAIN STAGE AND OUTPUT BUFFER OUTPUT OFFSET CORRECTION INPUT AND OUTPUT IMPEDANCES GAIN CONTROL INTERFACE APPLICATIONS INFORMATION VGA OPERATION AGC OPERATION STABILITY AND LAYOUT CONSIDERATIONS EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE
