Cirrus-logic CS3003 Uživatelský manuál

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Copyright Cirrus Logic, Inc. 2009
(All Rights Reserved)
Cirrus Logic, Inc.
http://www.cirrus.com
CS3003
Precision Low-voltage Amplifier
Features & Description
Low Offset:
–10 μV Max.
Low Drift:
–0.05 μV/°C Max.
Low Noise:
17 nV/Hz
Open-loop Voltage Gain:
150 dB Typ.
Rail-to-Rail Inputs
Rail-to-Rail Output Swing
to within 10 mV of supply voltage
1.0 mA Supply Current
Slew rate:
–0.25 V/μs
Applications
Thermocouple/Thermopile Amplifiers
Load Cell and Bridge Transducer Amplifiers
Precision Instrumentation
Battery-powered Systems
Description
The CS3003 single amplifier is designed for precision
amplification of low-level signals. This amplifier achieves
excellent offset stability, high open loop gain, and low
noise. The devices also exhibit excellent CMRR and
PSRR. The common mode input range includes the sup-
ply rails. The amplifier operates with any supply voltage
from 2.7 V to 5 V (±1.35 V to ±2.50 V).
Pin Configuration
8-Lead SOIC
CS3003
(Top View)
1. Must not be connected.
NC
-IN
+IN
V-
NC
V+
Output
NC
-
+
1
1
1
1
2
3
4
8
7
6
5
1
10
100
1000
0.01 0.1 1 10
Frequency (Hz)
-200
-150
-100
-50
0
50
100
150
200
012345678910
Time (sec)
Noise vs. Frequency (Measured) 0.01 Hz to 10 Hz Noise Performance
OCT ‘09
DS735F3
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Shrnutí obsahu

Strany 1 - Pin Configuration

Copyright  Cirrus Logic, Inc. 2009(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.comCS3003Precision Low-voltage AmplifierFeatures & Des

Strany 2 - LIST OF FIGURES

CS300310 DS735F3Contacting Cirrus Logic SupportFor all product questions and inquiries contact a Cirrus Logic Sales Representative. To find one neares

Strany 3

CS30032 DS735F3TABLE OF CONTENTS1. CHARACTERISTICS AND SPECIFICATIONS ... 31.1 5 V Electrical Characteris

Strany 4

CS3003DS735F3 31. CHARACTERISTICS AND SPECIFICATIONS1.1 5 V Electrical CharacteristicsV+ = +5 V, ±5%; V- = 0V; VCM = 2.5 V; Unless otherwise noted, TA

Strany 5 - 2. TYPICAL PERFORMANCE PLOTS

CS30034 DS735F31.2 3 V Electrical CharacteristicsV+ = +3 V, ±10%; V- = 0V; VCM = 1.5 V; Unless otherwise noted, TA = 25º C (See Note 5). Notes: 5. Sym

Strany 6 - 6 DS735F3

CS3003DS735F3 51.3 Absolute Maximum Ratings2. TYPICAL PERFORMANCE PLOTSParameter Min Typ Max UnitSupply Voltage [(V+) – (V-)]2.7 - 5.5 VInput Voltage

Strany 7 - 3. PACKAGE DRAWINGS

CS30036 DS735F3Typical Performance Plots (Cont.)-200-150-100-50V+V–+50+100+150+200012345Output Current (mA)Figure 7. Voltage Swing vs. Output Current

Strany 8 - 4. ORDERING INFORMATION

CS3003DS735F3 73. PACKAGE DRAWINGSINCHES MILLIMETERSDIM MIN MAX MIN MAXA 0.053 0.069 1.35 1.75A1 0.004 0.010 0.10 0.25B 0.013 0.020 0.33 0.51C 0.007 0

Strany 9 - 6. REVISION HISTORY

CS30038 DS735F34. ORDERING INFORMATION5. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION* MSL (Moisture Sensitivity Level) as specified by IP

Strany 10 - 10 DS735F3

CS3003DS735F3 96. REVISION HISTORY Revision Date ChangesA0 JAN 2007 Initial Release.A1 FEB 2007 Corrected diagram on p1.F1 AUG 2007 Updated to “Final”

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