Datasheet AD8337 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | General-Purpose, Low Cost, DC-Coupled VGA |
| 页数 / 页 | 28 / 10 — AD8337. Data Sheet. –40. f = 10MHz,. HD3. VGAIN = 0.7V. HD2. /√Hz. Bc). … |
| 修订版 | D |
| 文件格式/大小 | PDF / 978 Kb |
| 文件语言 | 英语 |
AD8337. Data Sheet. –40. f = 10MHz,. HD3. VGAIN = 0.7V. HD2. /√Hz. Bc). –50. INPUT-REFERRED NOISE. E IS. –60. R R. IC DI. E R. S THERMAL NOISE ALONE. –70
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AD8337 Data Sheet 10 –40 f = 10MHz, HD3 VGAIN = 0.7V HD2 ) /√Hz Bc) V –50 n INPUT-REFERRED NOISE (d ( N E IS IO O RT N O D T E 1 –60 S R R IC DI FE N E R R O S THERMAL NOISE ALONE T- RM U –70 P HA IN
4 21 -0 -02 575
0.1
5575 0
–80
05
1 10 100 1k 0 5 10 15 20 25 30 35 40 45 50 SOURCE RESISTANCE (Ω) LOAD CAPACITANCE (pF)
Figure 21. Input Referred Noise vs. RS Figure 24. Harmonic Distortion vs. Load Capacitance (See Figure 61) (See Figure 52)
35 –30 50Ω SOURCE Bc) d 30 N ( IO –40 RT O T B) 25 d IS ( D WITH 50Ω SHUNT –50 C TERMINATION AT INPUT URE NI 20 O IG F E UNTERMINATED –60 IS O 15 R HARM N RDE O –70 10 1MHz ND- 10MHz
22 25 0
CO 35MHz
0
E
5- 75-
S 100MHz
57
5
055
–80
05
–800 –600 –400 –200 0 200 400 600 800 –800 –600 –400 –200 0 200 400 600 800 V V GAIN (mV) GAIN (mV)
Figure 22. Noise Figure vs. VGAIN Figure 25. HD2 vs. VGAIN at Four Frequencies (See Figure 51) (See Figure 52)
–30 –40 1MHz VOUT = 1V p-p HD3 VS = ±2.5V 10MHz V HD3 V Bc) GAIN = 0V S = ±5V HD2 V 35MHz S = ±2.5V (d HD2 V N 100MHz S = ±5V –40 c) IO T –50 dB R O N ( T S IO –50 RT CDI O NI T –60 O S DI –60 C NI O R HARM DE –70 R O –70 HARM RD-
26
HI
-0 -023
T
575 575
–80
05 05
–80 –800 –600 –400 –200 0 200 400 600 800 0 200 400 600 800 1.0k 1.2k 1.4k 1.6k 1.8k 2.0k VGAIN (mV) LOAD RESISTANCE (Ω)
Figure 23. Harmonic Distortion vs. RL and Supply Voltage Figure 26. HD3 vs. VGAIN at Four Frequencies (See Figure 52) (See Figure 52) Rev. D | Page 10 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION OVERVIEW PREAMPLIFIER VGA GAIN CONTROL OUTPUT STAGE ATTENUATOR SINGLE-SUPPLY OPERATION AND AC COUPLING NOISE APPLICATIONS INFORMATION PREAMPLIFIER CONNECTIONS Noninverting Gain Configuration Inverting Gain Configuration DRIVING CAPACITIVE LOADS GAIN CONTROL CONSIDERATIONS THERMAL CONSIDERATIONS PSI (Ψ) BOARD LAYOUT EVALUATION BOARDS CIRCUIT OPTIONS OUTPUT PROTECTION MEASUREMENT SETUP BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
AD8337 Data Sheet 10 –40 f = 10MHz, HD3 VGAIN = 0.7V HD2 ) /√Hz Bc) V –50 n INPUT-REFERRED NOISE (d ( N E IS IO O RT N O D T E 1 –60 S R R IC DI FE N E R R O S THERMAL NOISE ALONE T- RM U –70 P HA IN
4 21 -0 -02 575
0.1
5575 0
–80
05
1 10 100 1k 0 5 10 15 20 25 30 35 40 45 50 SOURCE RESISTANCE (Ω) LOAD CAPACITANCE (pF)
Figure 21. Input Referred Noise vs. RS Figure 24. Harmonic Distortion vs. Load Capacitance (See Figure 61) (See Figure 52)
35 –30 50Ω SOURCE Bc) d 30 N ( IO –40 RT O T B) 25 d IS ( D WITH 50Ω SHUNT –50 C TERMINATION AT INPUT URE NI 20 O IG F E UNTERMINATED –60 IS O 15 R HARM N RDE O –70 10 1MHz ND- 10MHz
22 25 0
CO 35MHz
0
E
5- 75-
S 100MHz
57
5
055
–80
05
–800 –600 –400 –200 0 200 400 600 800 –800 –600 –400 –200 0 200 400 600 800 V V GAIN (mV) GAIN (mV)
Figure 22. Noise Figure vs. VGAIN Figure 25. HD2 vs. VGAIN at Four Frequencies (See Figure 51) (See Figure 52)
–30 –40 1MHz VOUT = 1V p-p HD3 VS = ±2.5V 10MHz V HD3 V Bc) GAIN = 0V S = ±5V HD2 V 35MHz S = ±2.5V (d HD2 V N 100MHz S = ±5V –40 c) IO T –50 dB R O N ( T S IO –50 RT CDI O NI T –60 O S DI –60 C NI O R HARM DE –70 R O –70 HARM RD-
26
HI
-0 -023
T
575 575
–80
05 05
–80 –800 –600 –400 –200 0 200 400 600 800 0 200 400 600 800 1.0k 1.2k 1.4k 1.6k 1.8k 2.0k VGAIN (mV) LOAD RESISTANCE (Ω)
Figure 23. Harmonic Distortion vs. RL and Supply Voltage Figure 26. HD3 vs. VGAIN at Four Frequencies (See Figure 52) (See Figure 52) Rev. D | Page 10 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION OVERVIEW PREAMPLIFIER VGA GAIN CONTROL OUTPUT STAGE ATTENUATOR SINGLE-SUPPLY OPERATION AND AC COUPLING NOISE APPLICATIONS INFORMATION PREAMPLIFIER CONNECTIONS Noninverting Gain Configuration Inverting Gain Configuration DRIVING CAPACITIVE LOADS GAIN CONTROL CONSIDERATIONS THERMAL CONSIDERATIONS PSI (Ψ) BOARD LAYOUT EVALUATION BOARDS CIRCUIT OPTIONS OUTPUT PROTECTION MEASUREMENT SETUP BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE