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TL084CN

Quad JFET-input op-amp, 3MHz GBW, 13V/us slew rate, 4.5-40V supply, 14-PDIP

13934

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制造商零件：

TL084CN

包装：

14-PDIP

品牌：
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说明

产品概览

The TL084CN from Texas Instruments is a quad JFET-input operational amplifier in a 14-pin PDIP package. It features high slew rate of 13V/us, low input bias current, and wide supply voltage range of 4.5V to 40V. The CN suffix indicates commercial temperature range (0 to 70 C).

主要规格

渠道 4 (Quad)
Supply Voltage Range 4.5V to 40V (+/-2.25V to +/-20V)
增益-带宽乘积 3MHz
压摆率 13V/us
输入失调电压 3mV (typ), 15mV (max)
输入偏置电流 30pA (typ)
CMRR 86dB (typ)
包装 14-PDIP
工作温度 0 to +70 C

特点

  • JFET-input stage for low input bias current
  • High slew rate: 13V/us
  • Low total harmonic distortion: 0.003% (typ)
  • Output short-circuit protection
  • Wide common-mode and differential voltage ranges
  • Internal frequency compensation
  • Pin-compatible with LM324 (with FET input)

应用

  • Audio preamplifiers and mixers
  • Active filters and integrators
  • Instrumentation amplifiers
  • Sensor signal conditioning
  • Oscillator circuits

The TL084CN is a quad JFET-input operational amplifier from Texas Instruments, offering four independent high-performance op-amps in a single 14-pin PDIP package. The JFET-input stage provides extremely low input bias current (typically 30pA) and high input impedance, making it ideal for applications requiring minimal loading of signal sources. With a gain-bandwidth product of 3MHz and a slew rate of 13V/us, the TL084CN is suitable for a wide range of audio and general-purpose signal processing applications. The wide supply voltage range of 4.5V to 40V allows flexible design configurations.

The TL084CN uses JFET-input differential pairs at the input stage, providing high input impedance and low bias current. Each of the four op-amp channels consists of a differential input stage with JFETs, followed by a gain stage and a class AB output stage with short-circuit protection. Internal frequency compensation ensures stability without external capacitors. The JFET input structure allows the common-mode input voltage to include the positive supply rail, extending the usable input range. The device operates in voltage feedback mode with a typical gain-bandwidth product of 3MHz.

针脚 名称 功能
1 1OUT Channel 1 output
2 1IN- Channel 1 inverting input
3 1IN+ Channel 1 non-inverting input
4 VCC+ Positive supply voltage
5 2IN+ Channel 2 non-inverting input
6 2IN- Channel 2 inverting input
7 2OUT Channel 2 output
8 3OUT Channel 3 output
9 3IN- Channel 3 inverting input
10 3IN+ Channel 3 non-inverting input
11 VCC- Negative supply voltage
12 4IN+ Channel 4 non-inverting input
13 4IN- Channel 4 inverting input
14 4OUT Channel 4 output
  • Multi-channel audio preamplifiers with low-noise JFET input stage
  • Active filter designs requiring four independent op-amps in one package
  • High-impedance sensor interfaces where low bias current is critical
  • Industrial signal conditioning with wide supply voltage flexibility
模型 制造商 主要区别
TL084ACN TI Lower offset voltage, tighter specs
TL084IN TI Industrial temperature range (-40 to 85 C)
LM324N TI Bipolar input, lower cost, higher bias current
OPA4134 TI Higher performance, FET-input audio op-amp
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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

服务与包装

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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Contact Information

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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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