Cirrus-logic CS3004 Manual de usuario

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Copyright Cirrus Logic, Inc. 2009
(All Rights Reserved)
Cirrus Logic, Inc.
http://www.cirrus.com
CS3004
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
2.1 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 CS3004 dual amplifier is designed for precision am-
plification of low-level signals. These amplifiers achieve
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 amplifiers operate with any supply voltage
from 2.7 V to 5 V (±1.35 V to ±2.50 V).
Pin Configuration
CS3004
8-Lead SOIC
(Top View)
Out A
-In A
+In A
V-
V+
Out B
-In B
+In B
A
B
-
-
+
+
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
JUL ‘09
DS719F2
Vista de pagina 0
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Indice de contenidos

Pagina 1 - Pin Configuration

Copyright  Cirrus Logic, Inc. 2009(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.comCS3004Precision Low-voltage AmplifierFeatures & Des

Pagina 2 - LIST OF FIGURES

CS300410 DS719F2Contacting Cirrus Logic SupportFor all product questions and inquiries contact a Cirrus Logic Sales Representative. To find one neares

Pagina 3

CS30042 DS719F2TABLE OF CONTENTS1. CHARACTERISTICS AND SPECIFICATIONS ... 31.1 5 V Electrical Characteris

Pagina 4

CS3004DS719F2 31. CHARACTERISTICS AND SPECIFICATIONS1.1 5 V Electrical CharacteristicsV+ = +5 V, ±5%; V- = 0V; VCM = 2.5 V; Unless otherwise noted, TA

Pagina 5 - 2. TYPICAL PERFORMANCE PLOTS

CS30044 DS719F21.2 3 V Electrical CharacteristicsV+ = +3 V, ±10%; V- = 0V; VCM = 2.5 V; Unless otherwise noted, TA = 25º C (See Note 5). Notes: 5. Sym

Pagina 6 - 6 DS719F2

CS3004DS719F2 51.3 Absolute Maximum Ratings2. TYPICAL PERFORMANCE PLOTSParameter Min Typ Max UnitSupply Voltage [(V+) – (V-)]2.7 - 5.5 VInput Voltage

Pagina 7 - 3. PACKAGE DRAWINGS

CS30046 DS719F2Typical Performance Plots (Cont.)-200-150-100-50V+V–+50+100+150+200012345Output Current ( mA)Output Voltage (mV)-40°C+25°C+125°C-40°C+2

Pagina 8 - 4. ORDERING INFORMATION

CS3004DS719F2 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

Pagina 9 - 6. REVISION HISTORY

CS30048 DS719F24. ORDERING INFORMATION5. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION* MSL (Moisture Sensitivity Level) as specified by IP

Pagina 10 - 10 DS719F2

CS3004DS719F2 96. REVISION HISTORY Revision Date ChangesPP4 FEB 2007 First public release.F1 AUG 2007 Updated to “Final” per QPL process.F2 JUL 2009 R

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