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参数资料
| 型号： | 176L |
| 元件分类： | 运算放大器 |
| 英文描述： | OP-AMP |
| 文件页数： | 1/5页 |
| 文件大小： | 238K |
| 代理商： | 176L |
A
1
http://www.calex.com
2401 Stanwell Drive
Concord, CA 94520-4841
(510) 687-4411 Fax (510) 687-3333
CALEX
FaxFACTS:
320
1997
FIGURE 1. Basic Bridge Amplifier
FIGURE 3. Thermocouple Amplifier
FIGURE 2. High Source Impedance Amplifier
Features*
n Drifts to <0.25V/°C
n Input Impedance >100 M
n CMR: 120 dB @ G = 1000
n Gain Linearity of ±.005%
*The key features of this amplifier series, listed above, do not
necessarily apply to all units. Please check individual unit
specifications.
Description
The 176 (all versions) and the 178 are general purpose
differential input DC amplifiers. The best all-around unit is the
178. It features premium performance over a gain range of 1
to 1,000. With adjustable CMR, gain, and input and output
offsets it truly approaches the ideal instrumentation amplifier.
Applications
Below are three typical applications showing the versatility of
this instrumentation amplifier series.
Figure 1 shows the basic connections for a bridge amplifier.
The bridge can be a transducer, strain gage or a load cell. The
amplifier rejects the common mode voltage and noise of the
bridge and only amplifies the difference between the + and -
inputs. In most cases the bridge impedance is less than 1 k
which would make the 176 ideal.
Figure 2 shows a single ended application where the input
signal has a high source impedance. Since the 178 has
extremely high input impedance and low bias current, it would
be the choice. Better balance and drift can be achieved by
matching the source impedance with a resistor of equal value
from the - input to common.
Figure 3 shows a thermocouple amplifier. By utilizing the two
resistors on the inputs, the high common mode rejection of
the amplifiers can be used to remove 60 Hz noise on the lines
or external voltage floating on the input lines. The
thermocouples can float to ±10 Volts. Since thermocouples
are low impedance devices, the 176 is recommended.
Note: With either the 176 or 178 Amplifier it is required that the
source common be electrically tied to signal common and the
power source common. Both amplifiers are bipolar direct
coupled and require a return path for the input signal current
for stable operation.
Models 176 & 178 DC Differential Amplifiers
相关PDF资料 |
PDF描述 |
|---|---|
| 178 | OP-AMP |
| 1782-97H | 1 ELEMENT, 0.13 uH, PHENOLIC-CORE, GENERAL PURPOSE INDUCTOR |
| 1782-97F | 1 ELEMENT, 0.13 uH, PHENOLIC-CORE, GENERAL PURPOSE INDUCTOR |
| 1782-95F | 1 ELEMENT, 0.11 uH, PHENOLIC-CORE, GENERAL PURPOSE INDUCTOR |
| 1782-91H | 1 ELEMENT, 910 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 176L0271 | 制造商:Amphenol Corporation 功能描述: |
| 176L0378 | 制造商:Amphenol Corporation 功能描述: |
| 176P1000A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| 176P1000S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| 176P12 | 功能描述:电缆组件 MINI-MIZER RoHS:否 制造商:Molex 产品:Power Assemblies 类型:Cable Assembly 连接器端口 A:No Connector 连接器端口 A 管脚计数:4 连接器端口 B:No Connector 连接器端口 B 管脚计数: 型式:Male 线规 - 美国线规（AWG）:20, 28 长度:0.305 m 颜色:Black, Red |
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