Datasheet AD8235 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | 40 μA Micropower Instrumentation Amplifier in WLCSP Package |
| Seiten / Seite | 20 / 10 — AD8235. Data Sheet. 120. GAIN = 100. 100. GAIN = 10. GAIN = 200. GAIN = … |
| Revision | A |
| Dateiformat / Größe | PDF / 515 Kb |
| Dokumentensprache | Englisch |
AD8235. Data Sheet. 120. GAIN = 100. 100. GAIN = 10. GAIN = 200. GAIN = 5. RR (. S P. MR C. –10. 0.1. 10k. 100k. –40. –20. FREQUENCY (Hz). TEMPERATURE (°C)
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AD8235 Data Sheet 120 10 GAIN = 100 100 5 GAIN = 10 80 GAIN = 200 B) GAIN = 5 V) d V/ 60 (µ 0 RR ( R S P MR C 40 –5 20 0 –10 0.1 1 10 100 1k 10k 100k
011
–40 –20 0 20 40 60 80 100 120
014
FREQUENCY (Hz) TEMPERATURE (°C)
08211- 08211- Figure 11. Negative PSRR vs. Frequency, RTI, VS = ±0.9 V, ±2.5 V, VREF = 0 V Figure 14. Change in CMRR vs. Temperature, G = 5, Normalized at 25°C
120 60 50 GAIN = 200 100 40 GAIN = 100 30 80 GAIN = 10 B) 20 d B) d 60 GAIN = 200 RR ( N ( 10 GAIN = 5 AI CM GAIN = 100 G 0 40 GAIN = 10 –10 –20 20 GAIN = 5 –30 0 –40 0.1 1 10 100 1k 10k 100k
012
10 100 1k 10k 100k 1M
015
FREQUENCY (Hz)
08211-
FREQUENCY (Hz)
08211- Figure 12. CMRR vs. Frequency, RTI Figure 15. Gain vs. Frequency, VS = 1.8 V, 5 V
120 6 100 5 80 4 ) B) d -p 60 GAIN = 200 RR ( (V p 3 GAIN = 100 UT CM OV 40 2 20 1 GAIN = 5 GAIN = 10 0 0 0.1 1 10 100 1k 10k 100k
013
1 10 100 1k 10k 100k
016
FREQUENCY (Hz)
08211-
FREQUENCY (Hz)
08211- Figure 13. CMRR vs. Frequency, 1 kΩ Source Imbalance, RTI Figure 16. Maximum Output Voltage vs. Frequency Rev. A | Page 10 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM PIN CONFIGURATION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BASIC OPERATION GAIN SELECTION SHUTDOWN FEATURE LAYOUT RECOMMENDATIONS Pad Opening Pad Type Pad Finish Board Thickness Grounding REFERENCE TERMINAL POWER SUPPLY REGULATION AND BYPASSING INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE APPLICATIONS INFORMATION AC-COUPLED INSTRUMENTATION AMPLIFIER LOW POWER HEART RATE MONITOR OUTLINE DIMENSIONS ORDERING GUIDE
011
–40 –20 0 20 40 60 80 100 120
014
FREQUENCY (Hz) TEMPERATURE (°C)
08211- 08211- Figure 11. Negative PSRR vs. Frequency, RTI, VS = ±0.9 V, ±2.5 V, VREF = 0 V Figure 14. Change in CMRR vs. Temperature, G = 5, Normalized at 25°C
120 60 50 GAIN = 200 100 40 GAIN = 100 30 80 GAIN = 10 B) 20 d B) d 60 GAIN = 200 RR ( N ( 10 GAIN = 5 AI CM GAIN = 100 G 0 40 GAIN = 10 –10 –20 20 GAIN = 5 –30 0 –40 0.1 1 10 100 1k 10k 100k
012
10 100 1k 10k 100k 1M
015
FREQUENCY (Hz)
08211-
FREQUENCY (Hz)
08211- Figure 12. CMRR vs. Frequency, RTI Figure 15. Gain vs. Frequency, VS = 1.8 V, 5 V
120 6 100 5 80 4 ) B) d -p 60 GAIN = 200 RR ( (V p 3 GAIN = 100 UT CM OV 40 2 20 1 GAIN = 5 GAIN = 10 0 0 0.1 1 10 100 1k 10k 100k
013
1 10 100 1k 10k 100k
016
FREQUENCY (Hz)
08211-
FREQUENCY (Hz)
08211- Figure 13. CMRR vs. Frequency, 1 kΩ Source Imbalance, RTI Figure 16. Maximum Output Voltage vs. Frequency Rev. A | Page 10 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM PIN CONFIGURATION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BASIC OPERATION GAIN SELECTION SHUTDOWN FEATURE LAYOUT RECOMMENDATIONS Pad Opening Pad Type Pad Finish Board Thickness Grounding REFERENCE TERMINAL POWER SUPPLY REGULATION AND BYPASSING INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE APPLICATIONS INFORMATION AC-COUPLED INSTRUMENTATION AMPLIFIER LOW POWER HEART RATE MONITOR OUTLINE DIMENSIONS ORDERING GUIDE