Datasheet AD8270 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | Precision Dual-Channel, Difference Amplifier |
| 页数 / 页 | 20 / 8 — AD8270. Data Sheet. 140. (0, +5). GAIN = 2, 0.5. ) V. 120. (–4.3, +2.85). … |
| 修订版 | A |
| 文件格式/大小 | PDF / 469 Kb |
| 文件语言 | 英语 |
AD8270. Data Sheet. 140. (0, +5). GAIN = 2, 0.5. ) V. 120. (–4.3, +2.85). (+4.3, +2.85). (0, +2.5). AG T. 100. GAIN = 1. (–1.6, +1.7). (+1.6, +1.7)
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AD8270 Data Sheet 6 140 (0, +5) GAIN = 2, 0.5 ) V 4 120 ( (–4.3, +2.85) (+4.3, +2.85) E (0, +2.5) AG T 100 ) L 2 B GAIN = 1 O (–1.6, +1.7) (+1.6, +1.7) d V ( V R 80 UT S = ±2.5 VS = ±5 P SR 0 N I DE IVE P 60 T O M SI –2 (–1.6, –1.7) (+1.6, –1.7) N- PO O 40 M (0, –2.5) M O –4 (– ( 4. –4.3, +2. –2.85) 85) (+4.3, –2.85) C 20 (0, –5) –6 0 –5 –4 –3 –2 –1 0 1 2 3 4 5
10 15 0
10 100 1k 10k 100k 1M
0 9- 9-
OUTPUT VOLTAGE (V)
97
FREQUENCY (Hz)
97 06 06 Figure 10. Common-Mode Input Voltage vs. Output Voltage, Figure 13. Positive PSRR vs. Frequency Gain = 1, ±5 V and ±2.5 V Supplies
20 140 (0, +15) ) 15 GAIN = 2, 0.5 120 (V E (–14.3, +11.4) (+14.3, +11.4) G 10 A T ) 100 GAIN = 1 L B 5 d VO ( T R R 80 PU 0 N E I D IVE PS 60 O T –5 A -M N EG O N 40 –10 MM (–14.3, –11.4) (+14.3, –11.4) O C –15 20 (0, –15) –20
1
0 –20 –15 –10 –5 0 5 10 15 20
01 16 9-
10 100 1k 10k 100k 1M
0 9-
OUTPUT VOLTAGE (V)
97 97 06
FREQUENCY (Hz)
06 Figure 11. Common-Mode Input Voltage vs. Output Voltage, Figure 14. Negative PSRR vs. Frequency Gain = 2, ±15 V Supplies
6 32 (0, +5) VS = ±15V ) (–4, +4) (+4, +4) 28 V 4 ) ( E -p (0, +2.5) p AG 24 V T (–1.6, +2.1) (+1.6, +2.1) L 2 G ( O IN 20 V V W UT S = ±2.5 VS = ±5 S P E 0 N G 16 I A DE LT O O 12 M –2 V N- T VS = ±5V O (–1.6, –2.1) (+1.6, –2.1) U M (0, –2.5) 8 TP M U O –4 O C (–4, –4) (+4, –4) 4 (0, –5) –6 0
17
–5 –4 –3 –2 –1 0 1 2 3 4 5
120
100 1k 10k 100k 1M 10M
0 9- 9-
OUTPUT VOLTAGE (V)
97
FREQUENCY (Hz)
697 06 0 Figure 12. Common-Mode Input Voltage vs. Output Voltage, Figure 15. Output Voltage Swing vs. Large Signal Frequency Response Gain = 2, ±5 V and ±2.5 V Supplies Rev. A | Page 8 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
10 15 0
10 100 1k 10k 100k 1M
0 9- 9-
OUTPUT VOLTAGE (V)
97
FREQUENCY (Hz)
97 06 06 Figure 10. Common-Mode Input Voltage vs. Output Voltage, Figure 13. Positive PSRR vs. Frequency Gain = 1, ±5 V and ±2.5 V Supplies
20 140 (0, +15) ) 15 GAIN = 2, 0.5 120 (V E (–14.3, +11.4) (+14.3, +11.4) G 10 A T ) 100 GAIN = 1 L B 5 d VO ( T R R 80 PU 0 N E I D IVE PS 60 O T –5 A -M N EG O N 40 –10 MM (–14.3, –11.4) (+14.3, –11.4) O C –15 20 (0, –15) –20
1
0 –20 –15 –10 –5 0 5 10 15 20
01 16 9-
10 100 1k 10k 100k 1M
0 9-
OUTPUT VOLTAGE (V)
97 97 06
FREQUENCY (Hz)
06 Figure 11. Common-Mode Input Voltage vs. Output Voltage, Figure 14. Negative PSRR vs. Frequency Gain = 2, ±15 V Supplies
6 32 (0, +5) VS = ±15V ) (–4, +4) (+4, +4) 28 V 4 ) ( E -p (0, +2.5) p AG 24 V T (–1.6, +2.1) (+1.6, +2.1) L 2 G ( O IN 20 V V W UT S = ±2.5 VS = ±5 S P E 0 N G 16 I A DE LT O O 12 M –2 V N- T VS = ±5V O (–1.6, –2.1) (+1.6, –2.1) U M (0, –2.5) 8 TP M U O –4 O C (–4, –4) (+4, –4) 4 (0, –5) –6 0
17
–5 –4 –3 –2 –1 0 1 2 3 4 5
120
100 1k 10k 100k 1M 10M
0 9- 9-
OUTPUT VOLTAGE (V)
97
FREQUENCY (Hz)
697 06 0 Figure 12. Common-Mode Input Voltage vs. Output Voltage, Figure 15. Output Voltage Swing vs. Large Signal Frequency Response Gain = 2, ±5 V and ±2.5 V Supplies Rev. A | Page 8 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