Cirrus-logic CS3002 Instrukcja Użytkownika

Copyright  Cirrus Logic, Inc. 2012(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.comCS3002Precision Low-voltage Amplifier; DC to 2kHzFeatur

CS300210 DS490F10Equation 4 is used to determine transfer function zeroZ1. where |A| = R2/R1Substituting A into Equation 4 then zero Z1 is:Equation 6

CS3002DS490F10 113.2.2 Gain Calculation RecommendationsCondition 1: |Av|  50 and R1  100The op amp is inherently stable for |Av|  50 andR1  100.

CS300212 DS490F103.3 ApplicationsThe CS3002 amplifiers are optimum for applicationsthat require high gain and low drift. Figure 17 illustratesa thermo

CS3002DS490F10 134. PACKAGE DRAWING5. ORDERING INFORMATION 6. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION* MSL (Moisture Sensitivity Leve

CS300214 DS490F107. REVISION HISTORY Contacting Cirrus Logic SupportFor all product questions and inquiries contact a Cirrus Logic Sales Representativ

CS30022 DS490F10TABLE OF CONTENTS1. Characteristics and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31.1

CS3002DS490F10 31. CHARACTERISTICS AND SPECIFICATIONS1.1 Electrical CharacteristicsTypical characteristics conditions: •TA=25°C, V+=+5V, V-=0V, VCM=2.

CS30024 DS490F102. TYPICAL PERFORMANCE PLOTSFigure 1. Noise vs. Frequency (Measured)Figure 2. Noise vs. FrequencyFigure 3. 0.01Hz to 10Hz NoiseFigu

CS3002DS490F10 5-500-400-300-200-1000100200300400500Figure 7. Open-loop Gain and Phase vs. Frequency1 10 100 1k 10k 1M 10MFrequency (Hz)100kGAINPHASE

CS30026 DS490F10Supply Voltage (±V)Input Bias Current (pA)A1-A1+B1-A2+B1+A2-B2-B2+±1.35±2±2.5 ±3.35-200-150-150-100-1000-50-50CM = 0 VFigure 9. Input

CS3002DS490F10 7Figure 11. Voltage Swing vs. Output CurrentFigure 12. Voltage Swing vs. Output Current (5V)-200-150-250-100-50V+V–+50+100+150+200+25

CS30028 DS490F103. OVERVIEWThe CS3002 amplifiers are designed for precisionmeasurement of signals from DC to 2kHz whenoperating from a supply voltage

CS3002DS490F10 93.2 Open-loop Gain and Stability3.2.1 DiscussionThe CS3002 achieves ultra-high open-loop gain.Figure 14 illustrates the amplifier in a