Datasheet AD8372 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 41 dB Range, 1 dB Step Size, Programmable Dual VGA |
| 页数 / 页 | 16 / 8 — AD8372. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. m B d. +25°C. d … |
| 修订版 | C |
| 文件格式/大小 | PDF / 667 Kb |
| 文件语言 | 英语 |
AD8372. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. m B d. +25°C. d (. 1dB. D E. +85°C. E G. –40°C. R T. VO –10. U TP. –20. –30. 10M. 100M
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AD8372 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
VS = 5 V, TA = 25°C, ZS = 150 Ω, ZL = 250 Ω, 1 V p-p differential output, both channels enabled, unless otherwise noted.
40 20 30 ) 19 m B d ) 20 ( B +25°C d ( 1dB IN P 18 A 10 D E +85°C R E G R G –40°C A 0 FE T E 17 L R T VO –10 U TP 16 OU –20 –30 15
5
1M 10M 100M 1G
08
0 10 20 30 40 50 60 70 80 90
00 0 1- 1- 05
FREQUENCY (Hz)
05
FREQUENCY (MHz)
07 07 Figure 5. Gain vs. Frequency by Gain Code (All Codes), Figure 8. P1dB, Maximum Gain Differential In, Differential Out
–60 180 9 –65 160 8 140 7 Bc) –70 d ( ) N ) 120 6 F IO –75 Ω p T ( ( R HD2 5 CE O 100 T –80 ANCE AN IS T T D IS 80 4 CI IC S A –85 HD3 N O RE 60 3 CAP RM –90 40 2 HA –95 20 1 –100 0 0 0 10 20 30 40 50 60 70 80 90
06
0 50 100 150 200 250 300
9 0 1- -00 05
FREQUENCY (MHz) FREQUENCY (MHz)
51 07 70 0 Figure 6. 2nd and 3rd Harmonic Distortion Figure 9. Input Equivalent Parallel Impedance
100 70 90 60 80 OIP2 – AV = 32 50 70 ) OIP2 – AV = 10 m B 60 ) d B OIP2 – A d 40 3 ( V = –9 50 IP RR ( 2/O 30 40 OIP3 – A CM V = 10 OIP3 – AV = 32 OIP 30 20 OIP3 – A 20 V = –9 10 10 0 0
0 07
0 10 20 30 40 50 60 70 80 90 0 10 20 30 40 50 60 70 80 90 100
01 0 1- 1- 05 05
FREQUENCY (MHz) FREQUENCY (MHz)
07 07 Figure 7. OIP2 and OIP3 Figure 10. CMRR vs. Frequency Rev. C | Page 8 of 16 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS SERIAL CONTROL INTERFACE TIMING ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION SINGLE-ENDED AND DIFFERENTIAL SIGNALS PASSIVE FILTER TECHNIQUES DIGITAL GAIN CONTROL DRIVING ANALOG-TO-DIGITAL CONVERTERS EVALUATION BOARD SCHEMATIC OUTLINE DIMENSIONS ORDERING GUIDE
VS = 5 V, TA = 25°C, ZS = 150 Ω, ZL = 250 Ω, 1 V p-p differential output, both channels enabled, unless otherwise noted.
40 20 30 ) 19 m B d ) 20 ( B +25°C d ( 1dB IN P 18 A 10 D E +85°C R E G R G –40°C A 0 FE T E 17 L R T VO –10 U TP 16 OU –20 –30 15
5
1M 10M 100M 1G
08
0 10 20 30 40 50 60 70 80 90
00 0 1- 1- 05
FREQUENCY (Hz)
05
FREQUENCY (MHz)
07 07 Figure 5. Gain vs. Frequency by Gain Code (All Codes), Figure 8. P1dB, Maximum Gain Differential In, Differential Out
–60 180 9 –65 160 8 140 7 Bc) –70 d ( ) N ) 120 6 F IO –75 Ω p T ( ( R HD2 5 CE O 100 T –80 ANCE AN IS T T D IS 80 4 CI IC S A –85 HD3 N O RE 60 3 CAP RM –90 40 2 HA –95 20 1 –100 0 0 0 10 20 30 40 50 60 70 80 90
06
0 50 100 150 200 250 300
9 0 1- -00 05
FREQUENCY (MHz) FREQUENCY (MHz)
51 07 70 0 Figure 6. 2nd and 3rd Harmonic Distortion Figure 9. Input Equivalent Parallel Impedance
100 70 90 60 80 OIP2 – AV = 32 50 70 ) OIP2 – AV = 10 m B 60 ) d B OIP2 – A d 40 3 ( V = –9 50 IP RR ( 2/O 30 40 OIP3 – A CM V = 10 OIP3 – AV = 32 OIP 30 20 OIP3 – A 20 V = –9 10 10 0 0
0 07
0 10 20 30 40 50 60 70 80 90 0 10 20 30 40 50 60 70 80 90 100
01 0 1- 1- 05 05
FREQUENCY (MHz) FREQUENCY (MHz)
07 07 Figure 7. OIP2 and OIP3 Figure 10. CMRR vs. Frequency Rev. C | Page 8 of 16 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS SERIAL CONTROL INTERFACE TIMING ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION SINGLE-ENDED AND DIFFERENTIAL SIGNALS PASSIVE FILTER TECHNIQUES DIGITAL GAIN CONTROL DRIVING ANALOG-TO-DIGITAL CONVERTERS EVALUATION BOARD SCHEMATIC OUTLINE DIMENSIONS ORDERING GUIDE