Datasheet AD8337 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | General-Purpose, Low Cost, DC-Coupled VGA |
| 页数 / 页 | 28 / 7 — Data Sheet. AD8337. TYPICAL PERFORMANCE CHARACTERISTICS. +85°C. 500 … |
| 修订版 | D |
| 文件格式/大小 | PDF / 978 Kb |
| 文件语言 | 英语 |
Data Sheet. AD8337. TYPICAL PERFORMANCE CHARACTERISTICS. +85°C. 500 UNITS. +25°C. VGAIN = –0.4V. –40°C. VGAIN = 0V VGAIN = +0.4V. B 15. d (
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Data Sheet AD8337 TYPICAL PERFORMANCE CHARACTERISTICS
VS = 2.5 V, TA = 25C, RL = 500 Ω, including a 20 Ω snubbing resistor, f = 10 MHz, CL = 2 pF, VIN = 10 mV p-p, preamp gain = 2× (6 dB), noninverting configuration, unless otherwise noted.
30 60 +85°C 500 UNITS +25°C VGAIN = –0.4V 25 –40°C 50 VGAIN = 0V VGAIN = +0.4V 20 40 ) S B 15 T d ( UNI 30 IN F GA 10 O % 20 5 10 0
3 06 00 0 5- 5- 57 557
–5
05
0
0
–800 –600 –400 –200 0 200 400 600 800 5 4 3 2 1 0 1 2 3 4 5 0. 0. 0. 0. 0. V –0. –0. –0. –0. –0. GAIN (mV) GAIN ERROR (dB)
Figure 3. Gain vs. V Figure 6. Gain Error Histogram for Three Values of V GAIN at Three Temperatures GAIN (See Figure 44)
2.0 50 500 UNITS +85°C –0.4V ≤ V +25°C GAIN ≤ +0.4V 1.5 –40°C 40 1.0 B) d 0.5 S 30 R ( T 0 UNI RRO F N E O 20 % AI –0.5 G –1.0 10 –1.5
4 07 0 -00 5- 575 57
–2.0
05
0
05
–800 –600 –400 –200 0 200 400 600 800 19.3 19.4 19.5 19.6 19.7 19.8 19.9 20.0 20.1 V GAIN SCALING (dB/V) GAIN (mV)
Figure 4. Gain Error vs. VGAIN at Three Temperatures Figure 7. Gain Scaling Histogram (See Figure 44)
2.0 50 RELATIVE TO BEST FIT f = 1MHz 500 UNITS LINE FOR 10MHz f = 10MHz 1.5 f = 70MHz f = 100MHz 40 f = 150MHz 1.0 ) B d 0.5 S 30 R ( T 0 RRO UNI F E N O 20 % AI –0.5 G –1.0 10 –1.5
8 05 0 00 5- 75- 57
–2.0
055
0
05
–800 –600 –400 –200 0 200 400 600 800 12.2 12.3 12.4 12.5 12.6 12.7 12.8 12.9 13.0 V INTERCEPT (dB) GAIN (mV)
Figure 5. Gain Error vs. VGAIN at Five Frequencies Figure 8. Intercept Histogram (See Figure 44) Rev. D | Page 7 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
Data Sheet AD8337 TYPICAL PERFORMANCE CHARACTERISTICS
VS = 2.5 V, TA = 25C, RL = 500 Ω, including a 20 Ω snubbing resistor, f = 10 MHz, CL = 2 pF, VIN = 10 mV p-p, preamp gain = 2× (6 dB), noninverting configuration, unless otherwise noted.
30 60 +85°C 500 UNITS +25°C VGAIN = –0.4V 25 –40°C 50 VGAIN = 0V VGAIN = +0.4V 20 40 ) S B 15 T d ( UNI 30 IN F GA 10 O % 20 5 10 0
3 06 00 0 5- 5- 57 557
–5
05
0
0
–800 –600 –400 –200 0 200 400 600 800 5 4 3 2 1 0 1 2 3 4 5 0. 0. 0. 0. 0. V –0. –0. –0. –0. –0. GAIN (mV) GAIN ERROR (dB)
Figure 3. Gain vs. V Figure 6. Gain Error Histogram for Three Values of V GAIN at Three Temperatures GAIN (See Figure 44)
2.0 50 500 UNITS +85°C –0.4V ≤ V +25°C GAIN ≤ +0.4V 1.5 –40°C 40 1.0 B) d 0.5 S 30 R ( T 0 UNI RRO F N E O 20 % AI –0.5 G –1.0 10 –1.5
4 07 0 -00 5- 575 57
–2.0
05
0
05
–800 –600 –400 –200 0 200 400 600 800 19.3 19.4 19.5 19.6 19.7 19.8 19.9 20.0 20.1 V GAIN SCALING (dB/V) GAIN (mV)
Figure 4. Gain Error vs. VGAIN at Three Temperatures Figure 7. Gain Scaling Histogram (See Figure 44)
2.0 50 RELATIVE TO BEST FIT f = 1MHz 500 UNITS LINE FOR 10MHz f = 10MHz 1.5 f = 70MHz f = 100MHz 40 f = 150MHz 1.0 ) B d 0.5 S 30 R ( T 0 RRO UNI F E N O 20 % AI –0.5 G –1.0 10 –1.5
8 05 0 00 5- 75- 57
–2.0
055
0
05
–800 –600 –400 –200 0 200 400 600 800 12.2 12.3 12.4 12.5 12.6 12.7 12.8 12.9 13.0 V INTERCEPT (dB) GAIN (mV)
Figure 5. Gain Error vs. VGAIN at Five Frequencies Figure 8. Intercept Histogram (See Figure 44) Rev. D | Page 7 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