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PDF CS3001 Data sheet ( Hoja de datos )
| Número de pieza | CS3001 | |
| Descripción | PRECISION LOW VOLTAGE AMPLIFIER | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CS3001 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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CS3001
CS3002
Precision Low Voltage Amplifier; DC to 2 kHz
Features
Low Offset: 10 µV Max
Low Drift: 0.05 µV/°C Max
Low Noise
– 6 nV/√Hz @ 0.5 Hz
– 0.1 to 10 Hz = 125 nVp-p
– 1/f corner @ 0.08 Hz
Open-Loop Voltage Gain
– 300 dB Typical
– 200 dB Minimum
Rail-to-Rail Output Swing
Slew rate: 5 V/µs
Applications
Thermocouple/Thermopile Amplifiers
Load Cell and Bridge Transducer Amplifiers
Precision Instrumentation
Battery-Powered Systems
Description
The CS3001 single amplifier and the CS3002 dual am-
plifier are designed for precision amplification of low
level signals and are ideally suited to applications that
require very high closed loop gains. These amplifiers
achieve excellent offset stability, super high open loop
gain, and low noise over time and temperature. The de-
vices also exhibit excellent CMRR and PSRR. The
common mode input range includes the negative supply
rail. The amplifiers operate with any total supply voltage
from 2.7 V to 6.7 V (±1.35 V to ±3.35 V).
Pin Configurations
CS3001
CS3002
PWDN 1
-In 2
+In 3
V- 4
-
+
8 NC
Out A 1
7 V+
-In A 2
6 Output +In A 3
5 NC
V- 4
A
-
+
+B-
8 V+
7 Out B
6 -In B
5 +In B
8-lead SOIC
8-lead SOIC
Noise vs. Frequency (Measured)
100
10
1
0.001
0.01
0.1
Frequency (Hz)
1
10
Dexter Research
Thermopile 1M
CS3001
R2
64.9k
R1 C1
100 0.015µF
Thermopile Amplifier with a Gain of 650 V/V
Cirrus Logic, Inc.
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2004
(All Rights Reserved)
OCT ‘04
DS490F3
1
1 page  
Performance Plots (Cont.)
500
400
300
200
100
0
-100
-200
-300
-400
-500
11
CS3001
CS3002
GAIN
PHASE
1100 110000 1100K0 110000K0 100000 10100M00 1E10+0M7
FrFerqequueennccyy(H(Hz1z)0)0 K
0
Figure 5. Open Loop Gain and Phase vs Frequency
100
80
60
40
20
0
-45
-90
-135
-180
-225
-270
-315
-360
10K 100K 1M 10M
Figure 6. Open Loop Gain and Phase vs Frequency (Expanded)
5
5 Page 
CS3001
CS3002
Figure 14, on page 12 illustrates a load cell bridge
amplifier with a gain of 768 V/V. The load cell is
excited with +5 V and has a 1 mV/V sensitivity. Its
full scale output signal is amplified to produce a
fully differential ± 3.8 V into the CS5510/12 A/D
converter. This circuit operates from +5 V.
A similar circuit operating from +3 V can be
constructed using the CS5540/CS5541 A/D con-
verters.
Dexter Research
Thermopile 1M
CS3001
R2
64.9k
R1 C1
100 0.015µF
Thermopile Amplifier with a Gain of 650 V/V
Figure 13. Thermopile Amplifier with a Gain of 650 V/V
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet CS3001.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CS3001 | PRECISION LOW VOLTAGE AMPLIFIER | Cirrus Logic |
| CS3002 | Precision Low-voltage Amplifier | Cirrus Logic |
| CS3003 | Precision Low-voltage Amplifier | Cirrus Logic |
| CS3004 | Precision Dual Low-voltage Amplifier | Cirrus Logic |
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