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CS3004-FNZR 其他数据使用手册 - Cirrus Logic（思睿逻辑）
制造商:
Cirrus Logic（思睿逻辑）
分类:
放大器、缓冲器
封装:
QFN-8
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CS3004-FNZR数据手册
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Copyright © Cirrus Logic, Inc. 2007
(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 Configurations
CS3004
Exposed
Thermal
Die Pad
V+
OUT
B
-IN B
+IN B
OUT A
-IN A
+IN A
V-
8
7
6
5
1
2
3
4
–
+
A
–
+
B
Out A
-In A
+In A
V-
V+
Out B
-In B
+In B
1
2
3
4
8
7
6
5
A
B
-
-
+
+
8-Lead SOIC QFN-8
(Top View)
Exposed
Thermal
Die Pad
2
1. Must not be connected.
2. Connect thermal die pad to V-.
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
AUG ‘07
DS719F1
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