Datasheet AD8270 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Precision Dual-Channel, Difference Amplifier |
| Pages / Page | 20 / 7 — Data Sheet. AD8270. TYPICAL PERFORMANCE CHARACTERISTICS. 160. N: 1043. … |
| Revision | A |
| File Format / Size | PDF / 469 Kb |
| Document Language | English |
Data Sheet. AD8270. TYPICAL PERFORMANCE CHARACTERISTICS. 160. N: 1043. (0, +15). 140. MEAN: –0.003. SD: 0.28. V ( E. (–7.5, +7.5)
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Text Version of Document
Data Sheet AD8270 TYPICAL PERFORMANCE CHARACTERISTICS
VS = ±15 V, TA = 25°C, difference amplifier configuration, unless otherwise noted.
160 20 N: 1043 (0, +15) 140 MEAN: –0.003 ) 15 SD: 0.28 V ( E (–7.5, +7.5) (+7.5, +7.5) 120 10 AG T S L T 100 O 5 V UNI T F U 80 P 0 R O N I E E B D 60 O –5 UM M N N- 40 O –10 M M (–7.5, –7.5) (+7.5, –7.5) O 20 C –15 (0, –15) 0
4
–20
00
–0.9 –0.6 –0.3 0 0.3 0.6 0.9
07 0 9-
–10 –5 0 5 10
9- 97
SYSTEM OFFSET VOLTAGE (mV)
06
OUTPUT VOLTAGE (V)
697 0 Figure 4. Typical Distribution of System Offset Voltage, G = 1 Figure 7. Common-Mode Input Voltage vs. Output Voltage, Gain = 0.5, ±15 V Supplies
6 N: 984 (0, +5) MEAN: –1.01 180 SD: 27 ) 4 (V E (–2.5, +2.5) (+2.5, +2.5) 150 (0, +2.5) AG S T T L 2 O (–1.25, –1.25) (+1.25, +1.25) NI 120 V U V F UT S = ±2.5 VS = ±5 O P 0 R N 90 I BE DE M O (–1.25, –1.25) (+1.25, –1.25) NU M –2 60 N- O M (0, –2.5) M (–2.5, –2.5) (+2.5, –2.5) 30 O –4 C (0, –5) 0
5
–6
8
–150 –100 –50 0 50 100 150
00 00 9-
–3 –2 –1 0 1 2 3
9-
CMRR (µV/V)
97 97 06
OUTPUT VOLTAGE (V)
06 Figure 5. Typical Distribution of CMRR, G = 1 Figure 8. Common-Mode Input Voltage vs. Output Voltage, Gain = 0.5, ±5 V and ±2.5 V Supplies
400 N: 1043 20 MEAN: –0.015 (0, +15) 350 SD: 0.0068 ) 15 V ( E 300 (–14.3, +7.85) (+14.3, +7.85) 10 AG S T T L 250 O 5 UNI V F UT 200 R O 0 INP BE 150 DE O –5 NUM -M N 100 O –10 M M (–14.3, –7.85) (+14.3, –7.85) 50 CO –15 (0, –15) 0
6
–0.04 –0.02 0 0.02 0.04
00
–20
9-
–20 –15 –10 –5 0 5 10 15 20
09 0
GAIN ERROR (%)
97 9- 06
OUTPUT VOLTAGE (V)
697 0 Figure 6. Typical Distribution of Gain Error, G = 1 Figure 9. Common-Mode Input Voltage vs. Output Voltage, Gain = 1, ±15 V Supplies Rev. A | Page 7 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
VS = ±15 V, TA = 25°C, difference amplifier configuration, unless otherwise noted.
160 20 N: 1043 (0, +15) 140 MEAN: –0.003 ) 15 SD: 0.28 V ( E (–7.5, +7.5) (+7.5, +7.5) 120 10 AG T S L T 100 O 5 V UNI T F U 80 P 0 R O N I E E B D 60 O –5 UM M N N- 40 O –10 M M (–7.5, –7.5) (+7.5, –7.5) O 20 C –15 (0, –15) 0
4
–20
00
–0.9 –0.6 –0.3 0 0.3 0.6 0.9
07 0 9-
–10 –5 0 5 10
9- 97
SYSTEM OFFSET VOLTAGE (mV)
06
OUTPUT VOLTAGE (V)
697 0 Figure 4. Typical Distribution of System Offset Voltage, G = 1 Figure 7. Common-Mode Input Voltage vs. Output Voltage, Gain = 0.5, ±15 V Supplies
6 N: 984 (0, +5) MEAN: –1.01 180 SD: 27 ) 4 (V E (–2.5, +2.5) (+2.5, +2.5) 150 (0, +2.5) AG S T T L 2 O (–1.25, –1.25) (+1.25, +1.25) NI 120 V U V F UT S = ±2.5 VS = ±5 O P 0 R N 90 I BE DE M O (–1.25, –1.25) (+1.25, –1.25) NU M –2 60 N- O M (0, –2.5) M (–2.5, –2.5) (+2.5, –2.5) 30 O –4 C (0, –5) 0
5
–6
8
–150 –100 –50 0 50 100 150
00 00 9-
–3 –2 –1 0 1 2 3
9-
CMRR (µV/V)
97 97 06
OUTPUT VOLTAGE (V)
06 Figure 5. Typical Distribution of CMRR, G = 1 Figure 8. Common-Mode Input Voltage vs. Output Voltage, Gain = 0.5, ±5 V and ±2.5 V Supplies
400 N: 1043 20 MEAN: –0.015 (0, +15) 350 SD: 0.0068 ) 15 V ( E 300 (–14.3, +7.85) (+14.3, +7.85) 10 AG S T T L 250 O 5 UNI V F UT 200 R O 0 INP BE 150 DE O –5 NUM -M N 100 O –10 M M (–14.3, –7.85) (+14.3, –7.85) 50 CO –15 (0, –15) 0
6
–0.04 –0.02 0 0.02 0.04
00
–20
9-
–20 –15 –10 –5 0 5 10 15 20
09 0
GAIN ERROR (%)
97 9- 06
OUTPUT VOLTAGE (V)
697 0 Figure 6. Typical Distribution of Gain Error, G = 1 Figure 9. Common-Mode Input Voltage vs. Output Voltage, Gain = 1, ±15 V Supplies Rev. A | Page 7 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
