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PDF CS3014 Data sheet ( Hoja de datos )
| Número de pieza | CS3014 | |
| Descripción | Dual Low-power / Low-voltage Precision Amplifier | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CS3014 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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7/13/06
CS3014
Dual Low-power / Low-voltage Precision Amplifier
Features & Description
Low Offset:
– 10 µV Typ.
Low Drift:
– 0.05 µV/°C Max.
Low Noise:
– 22 nV/√Hz
Open-loop Voltage Gain:
– 135 dB Typ.
Rail-to-Rail Inputs
Rail-to-Rail Output Swing
– to within 20 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 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 Configurations
CS3014
(Top View)
Out A 1
-In A 2
+In A 3
V- 4
-A+
+B-
8 V+ OUT A 1
7 Out B -IN A 2
6 -In B +IN A 3
5 +In B
V- 4
8-Lead SOIC
–A+
Exposed
Thermal
Die Pad
+B–
QFN-8
8 V+
7 OUT B
6 -IN B
5 +IN B
1000
100
10
1
0.01
0.1 1
Frequency (Hz)
Noise vs. Frequency (Measured)
300
200
100
0
-100
-200
10 -300
0 1 2 3 4 5 6 7 8 9 10
Time (sec)
0.01 Hz to 10 Hz Noise Performance
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Cirrus Logic, Inc.
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2006
(All Rights Reserved)
JUL ‘06
DS711PP2
1 page  
7/13/06
CS3014
1.3 Absolute Maximum Ratings
Parameter
Supply Voltage
[(V+) – (V-)]
Input Voltage
Storage Temperature Range
2. PERFORMANCE PLOTS
1000
100
10
1
0.01
0.1 1
Frequency (Hz)
Figure 1. Noise vs Frequency (Measured)
10
Min Typ Max
2.7 - 5.5
(V-) – (0.3) - (V+) + (0.3)
-65 - +150
Unit
V
V
ºC
300
200
100
0
-100
-200
-300
0
1 2 3 4 5 6 7 8 9 10
Time (sec)
Figure 2. 0.01 Hz to 10 Hz Noise
Figure 3. Gain vs. Phase (2.7 V)
1
0.95
0.9
0.85
0.8
2.5
3 3.5 4 4.5
Supply Voltage
5
Figure 5. Supply Current vs. Supply Voltage
5.5
DS711PP2
Figure 4. Gain vs. Phase (5 V)
1.500
1.250
1.000
0.750
0.500
0.250
0.000
-40
-20
0 20 40 60
Temperature (°C)
80 100 120
Figure 6. Supply Current vs. Temperature
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet CS3014.PDF ] | |
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