Datasheet AD8270 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Precision Dual-Channel, Difference Amplifier |
| 页数 / 页 | 20 / 9 — Data Sheet. AD8270. 120. ISHORT+. GAIN = 2. 100. A) m. GAIN = 1. RRE. d ( … |
| 修订版 | A |
| 文件格式/大小 | PDF / 469 Kb |
| 文件语言 | 英语 |
Data Sheet. AD8270. 120. ISHORT+. GAIN = 2. 100. A) m. GAIN = 1. RRE. d ( –5. GAIN = 0.5. CU T. IN GA. CUI. –20. –10. –40. –60. SHORT–. HO S. –15. –80. –100. –120. 10k
该数据表的模型线
文件文字版本
Data Sheet AD8270 10 120 ISHORT+ GAIN = 2 100 5 80 A) m 60 ( GAIN = 1 T 0 N 40 ) RRE B 20 d ( –5 GAIN = 0.5 CU T 0 IN GA CUI –20 IR –10 -C –40 RT I –60 SHORT– HO S –15 –80 –100 –20 –120
21
100 1k 10k 100k 1M 10M 100M
18 0 0
–40 –20 0 20 40 60 80 100 120
9- 9- 97
FREQUENCY (Hz)
97
TEMPERATURE (°C)
06 06 Figure 16. Gain vs. Frequency Figure 19. Short-Circuit Current vs. Temperature
100 +VS +125°C 90 GAIN = 2, 0.5 +V 80 S – 2 GAIN = 1 ) –40°C +25°C +85°C G (V 70 IN +VS – 4 W 60 S B) E d G 50 A 0 RR ( LT O +125°C CM 40 V T +85°C U –VS + 2 30 TP +25°C 20 OU –VS+ 4 10 –40°C 0
9
–VS
2
10 100 1k 10k 100k 1M 10M
01
200 1k 10k
02 9- 9-
FREQUENCY (Hz)
97 97
RLOAD (Ω)
06 06 Figure 17. CMRR vs. Frequency Figure 20. Output Voltage Swing vs. RLOAD
0 +VS –40°C CROSSTALK (G = 1) +25°C –20 +VS – 3 ) B) V ( –40 (d G N IN +VS – 6 IO W +125°C –60 S +85°C E ARAT P AG 0 E T L S –80 O L V NE +125°C UT –VS + 6 –100 P +85°C UT CHAN O +25°C –120 –VS + 3 –40°C –140 –VS 10 100 1k 10k 100k
13 3 0
0 20 40 60 80 100
9- -02
FREQUENCY (Hz)
97 79 06
CURRENT (mA)
69 0 Figure 18. Channel Separation vs. Frequency Figure 21. Output Voltage Swing vs. Current (IOUT) Rev. A | Page 9 of 20 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DIFFERENCE AMPLIFIER CONFIGURATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CIRCUIT INFORMATION DC Performance AC Performance Production Costs Size DRIVING THE AD8270 PACKAGE CONSIDERATIONS POWER SUPPLIES INPUT VOLTAGE RANGE APPLICATIONS INFORMATION DIFFERENCE AMPLIFIER CONFIGURATIONS SINGLE-ENDED CONFIGURATIONS Gain of 1 Configuration DIFFERENTIAL OUTPUT DRIVING AN ADC DRIVING CABLING OUTLINE DIMENSIONS ORDERING GUIDE
21
100 1k 10k 100k 1M 10M 100M
18 0 0
–40 –20 0 20 40 60 80 100 120
9- 9- 97
FREQUENCY (Hz)
97
TEMPERATURE (°C)
06 06 Figure 16. Gain vs. Frequency Figure 19. Short-Circuit Current vs. Temperature
100 +VS +125°C 90 GAIN = 2, 0.5 +V 80 S – 2 GAIN = 1 ) –40°C +25°C +85°C G (V 70 IN +VS – 4 W 60 S B) E d G 50 A 0 RR ( LT O +125°C CM 40 V T +85°C U –VS + 2 30 TP +25°C 20 OU –VS+ 4 10 –40°C 0
9
–VS
2
10 100 1k 10k 100k 1M 10M
01
200 1k 10k
02 9- 9-
FREQUENCY (Hz)
97 97
RLOAD (Ω)
06 06 Figure 17. CMRR vs. Frequency Figure 20. Output Voltage Swing vs. RLOAD
0 +VS –40°C CROSSTALK (G = 1) +25°C –20 +VS – 3 ) B) V ( –40 (d G N IN +VS – 6 IO W +125°C –60 S +85°C E ARAT P AG 0 E T L S –80 O L V NE +125°C UT –VS + 6 –100 P +85°C UT CHAN O +25°C –120 –VS + 3 –40°C –140 –VS 10 100 1k 10k 100k
13 3 0
0 20 40 60 80 100
9- -02
FREQUENCY (Hz)
97 79 06
CURRENT (mA)
69 0 Figure 18. Channel Separation vs. Frequency Figure 21. Output Voltage Swing vs. Current (IOUT) Rev. A | Page 9 of 20 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DIFFERENCE AMPLIFIER CONFIGURATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CIRCUIT INFORMATION DC Performance AC Performance Production Costs Size DRIVING THE AD8270 PACKAGE CONSIDERATIONS POWER SUPPLIES INPUT VOLTAGE RANGE APPLICATIONS INFORMATION DIFFERENCE AMPLIFIER CONFIGURATIONS SINGLE-ENDED CONFIGURATIONS Gain of 1 Configuration DIFFERENTIAL OUTPUT DRIVING AN ADC DRIVING CABLING OUTLINE DIMENSIONS ORDERING GUIDE