Datasheet AD8432 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | Dual-Channel Ultralow Noise Amplifier with Selectable Gain and Input Impedance |
| Pages / Page | 32 / 10 — AD8432. Data Sheet. –40. G = 24.08dB. HD2, 10MHz. G = 21.58dB. HD2, 1MHz. … |
| Revision | D |
| File Format / Size | PDF / 892 Kb |
| Document Language | English |
AD8432. Data Sheet. –40. G = 24.08dB. HD2, 10MHz. G = 21.58dB. HD2, 1MHz. G = 18.06dB. –50. HD3, 10MHz. G = 12.04dB. HD3, 1MHz. √Hz. MEASUREMENT
Model Line for this Datasheet
Text Version of Document
AD8432 Data Sheet 20 –40 G = 24.08dB HD2, 10MHz 18 G = 21.58dB HD2, 1MHz ) G = 18.06dB –50 HD3, 10MHz G = 12.04dB 16 HD3, 1MHz √Hz MEASUREMENT V/ n LIMIT 14 –60 E ( c) IS B 12 d O ( –70 N E 10 ION G T –80 LTA 8 OR O T V IS T D 6 U –90 P T 4 OU –100 2 0 –110 0.01 0.1 1 10 100
2 5 22
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
22 1- 1-
FREQUENCY (MHz)
34
V
34 08
OUT (V p-p)
08 Figure 21. Output Voltage Noise vs. Frequency Figure 24. Harmonic Distortion vs. Differential Output Voltage, G = 12.04 dB
0 –40 LOW TONE –10 HIGH TONE –50 –20 –30 –60 c) B –40 c) d ( B –70 d –50 ION HD2, 10MHz 3 ( T D HD2, 1MHz IM –80 –60 OR HD3, 10MHz T HD3, 1MHz IS MEASUREMENT –70 D –90 LIMIT –80 –100 –90 –100 –110 1 10 100
6 23
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
2 22 1- 1-
FREQUENCY (MHz)
34
VOUT (V p-p)
34 08 08 Figure 22. IMD3 vs. Frequency Figure 25. Harmonic Distortion vs. Differential Output Voltage, G = 24.08 dB
50 –50 G = 24.08dB G = 12.04dB 45 40 –60 35 c) ) B 30 d m ( B d 25 –70 3 ( TION P OI 20 OR T IS D 15 –80 10 HD2, 10MHz, 2V p-p 5 HD2, 10MHz, 1V p-p HD3, 10MHz, 2V p-p HD3, 10MHz, 1V p-p 0 –90
27
1 10 100
24 2 2
0 5 10 15 20 25
1- 1- 834
FREQUENCY (MHz)
34
C
08
L (pF)
0 Figure 23. Output Third-Order Intercept vs. Frequency Figure 26. Harmonic Distortion at 10 MHz vs. Capacitive Load (CL), G = 12.04 dB Rev. D | Page 10 of 32 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION LOW NOISE AMPLIFIER (LNA) GAIN SETTING TECHNIQUE ACTIVE INPUT RESISTANCE MATCHING APPLICATIONS INFORMATION TYPICAL SETUP I/Q DEMODULATION FRONT END DIFFERENTIAL-TO-SINGLE-ENDED CONVERSION EVALUATION BOARD CONNECTION AND OPERATION Power Supply Input Termination Setting the Amplifier Gain Output SCHEMATIC OUTLINE DIMENSIONS ORDERING GUIDE NOTES NOTES NOTES
2 5 22
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
22 1- 1-
FREQUENCY (MHz)
34
V
34 08
OUT (V p-p)
08 Figure 21. Output Voltage Noise vs. Frequency Figure 24. Harmonic Distortion vs. Differential Output Voltage, G = 12.04 dB
0 –40 LOW TONE –10 HIGH TONE –50 –20 –30 –60 c) B –40 c) d ( B –70 d –50 ION HD2, 10MHz 3 ( T D HD2, 1MHz IM –80 –60 OR HD3, 10MHz T HD3, 1MHz IS MEASUREMENT –70 D –90 LIMIT –80 –100 –90 –100 –110 1 10 100
6 23
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
2 22 1- 1-
FREQUENCY (MHz)
34
VOUT (V p-p)
34 08 08 Figure 22. IMD3 vs. Frequency Figure 25. Harmonic Distortion vs. Differential Output Voltage, G = 24.08 dB
50 –50 G = 24.08dB G = 12.04dB 45 40 –60 35 c) ) B 30 d m ( B d 25 –70 3 ( TION P OI 20 OR T IS D 15 –80 10 HD2, 10MHz, 2V p-p 5 HD2, 10MHz, 1V p-p HD3, 10MHz, 2V p-p HD3, 10MHz, 1V p-p 0 –90
27
1 10 100
24 2 2
0 5 10 15 20 25
1- 1- 834
FREQUENCY (MHz)
34
C
08
L (pF)
0 Figure 23. Output Third-Order Intercept vs. Frequency Figure 26. Harmonic Distortion at 10 MHz vs. Capacitive Load (CL), G = 12.04 dB Rev. D | Page 10 of 32 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION LOW NOISE AMPLIFIER (LNA) GAIN SETTING TECHNIQUE ACTIVE INPUT RESISTANCE MATCHING APPLICATIONS INFORMATION TYPICAL SETUP I/Q DEMODULATION FRONT END DIFFERENTIAL-TO-SINGLE-ENDED CONVERSION EVALUATION BOARD CONNECTION AND OPERATION Power Supply Input Termination Setting the Amplifier Gain Output SCHEMATIC OUTLINE DIMENSIONS ORDERING GUIDE NOTES NOTES NOTES
