Datasheet AD8271 (Analog Devices) - 8

FabricanteAnalog Devices
DescripciónProgrammable Gain Precision Difference Amplifier
Páginas / Página20 / 8 — AD8271. TYPICAL PERFORMANCE CHARACTERISTICS. 180. N = 989. GAIN = 1. MEAN …
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AD8271. TYPICAL PERFORMANCE CHARACTERISTICS. 180. N = 989. GAIN = 1. MEAN = –29. SD = 43. 150. S IT 120. +0.6µV/V/°C. μV/V). R O E. B M. CMRR (

AD8271 TYPICAL PERFORMANCE CHARACTERISTICS 180 N = 989 GAIN = 1 MEAN = –29 SD = 43 150 S IT 120 +0.6µV/V/°C μV/V) R O E B M CMRR (

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AD8271 TYPICAL PERFORMANCE CHARACTERISTICS
VS = ±15 V, TA = 25°C, difference amplifier configuration, unless otherwise noted.
180 70 N = 989 GAIN = 1 MEAN = –29 60 SD = 43 150 50 40 S IT 120 30 UN +0.6µV/V/°C F μV/V) 20 90 R O E 10 B M CMRR ( 0 NU 60 –10 –0.1µV/V/°C 30 –20
7 10 3-
–30 REPRESENTATIVE SAMPLES
36
0
07
–40
4
–200 –100 0 100 200 –50 –30 –10 10 30 50 70 90 110 130
00 3-
CMMR (µV/V)
36
TEMPERATURE (°C)
07 Figure 4. Typical Distribution of CMRR, Gain = 1 Figure 7. CMRR vs. Temperature, Normalized at 25°C, Gain = 1
300 180 GAIN = 1 N = 989 MEAN = –306 SD = 229 200 150 μV) 2.2µV/°C E ( S T G A 100 120 T UNI L F O VO R 90 0 ET S BE F F NUM O 60 –100 EM 2.8µV/°C ST 30 SY
8
–200
10 3-
REPRESENTATIVE SAMPLES
36
0
07
–1000 –500 0 500 1000 –300
5
–50 –30 –10 10 30 50 70 90 110 130
00 3-
SYSTEM OFFSET VOLTAGE (µV)
36
TEMPERATURE (°C)
07 Figure 5. Typical Distribution of System Offset, Gain = 1 Figure 8. System Offset vs. Temperature, Normalized at 25°C, Referred to Output, Gain = 1
200 240 GAIN = 1 N = 1006 210 MEAN = 0.003 150 1.7ppm/°C SD = 0.005 180 S 100 ) IT V 150 UN μV/ F 50 R ( R O 120 E B RRO 0 M 90 N E NU AI G –50 0.5ppm/°C 60 30
9
–100
10 3-
REPRESENTATIVE SAMPLES
36
0
07
–0.04 –0.02 0 0.02 0.04 –150
6
–50 –30 –10 10 30 50 70 90 110 130
00 3-
GAIN ERROR (%)
36
TEMPERATURE (°C)
07 Figure 6. Typical Distribution of Gain Error, Gain = 1 Figure 9. Gain Error vs. Temperature, Normalized at 25°C, Gain = 1 Rev. 0 | 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 DESCRIPTION TYPICAL PERFORMANCE CHARACTERISTICS OPERATIONAL AMPLIFIER PLOTS THEORY OF OPERATION CIRCUIT INFORMATION DC Performance AC Performance Production Costs Size DRIVING THE AD8271 POWER SUPPLIES INPUT VOLTAGE RANGE APPLICATIONS INFORMATION DIFFERENCE AMPLIFIER CONFIGURATIONS SINGLE-ENDED CONFIGURATIONS Gain of 1 Configuration KELVIN MEASUREMENT INSTRUMENTATION AMPLIFIER DRIVING CABLING DRIVING AN ADC OUTLINE DIMENSIONS ORDERING GUIDE