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TLC272CP

Dual LinCMOS op-amp, 1.8MHz GBW, R-R output, 0.6pA Ibias, PDIP-8

8500

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制造商零件：

TLC272CP

包装：

PDIP-8 (9.81 x 6.35 x 4.57mm, 2.54mm pitch, through-hole)

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说明

产品概览

The TLC272CP is a dual low-noise LinCMOS operational amplifier from Texas Instruments with rail-to-rail output, 1.8MHz bandwidth, and single/dual supply operation in a PDIP-8 package.

主要规格

Number of Amplifiers 2 (dual)
Technology LinCMOS
Supply Voltage Range 3V to 16V (single) or ±1.5V to ±8V (dual)
GBW 1.8MHz typical
压摆率 3.6V/µs typical
输入失调电压 1.1mV typical (C-suffix), 10mV max
输入偏置电流 0.6pA typical
Input Noise (1kHz) 25nV/√Hz typical
Output Swing Rail-to-rail (within ~10mV of rails at light load)
Supply Current (per amp) 675µA typical at 5V
Phase Margin 48° typical
工作温度 0°C to +70°C (C-suffix)
包装 PDIP-8 (9.81 x 6.35mm)

特点

  • Dual LinCMOS op-amp in single 8-pin package
  • Rail-to-rail output swing
  • Extremely low input bias current (0.6pA typical)
  • 1.8MHz gain-bandwidth product
  • 3.6V/µs slew rate
  • Single or dual supply operation
  • Low supply current (675µA per amplifier)
  • Input common-mode range includes VDD
  • Internally compensated (no external capacitor)

应用

  • High-impedance sensor amplifiers
  • Precision rectifiers and peak detectors
  • Active filters and oscillators
  • Sample-and-hold circuits
  • Battery-powered instrumentation

The TLC272CP from Texas Instruments is a dual LinCMOS operational amplifier combining the low input bias current of CMOS with the low noise of bipolar designs. The LinCMOS technology provides 0.6pA typical input bias current, making the device ideal for high-impedance sensor interfaces and sample-and-hold circuits. The 1.8MHz gain-bandwidth product and 3.6V/µs slew rate support audio-frequency and moderate-speed applications. The rail-to-rail output swing maximizes dynamic range in single-supply designs. The device operates from 3V to 16V single supply or ±1.5V to ±8V dual supply, with only 675µA per amplifier. The C suffix denotes the commercial temperature range (0°C to +70°C) and the P suffix denotes the PDIP-8 through-hole package.

The TLC272CP uses TI’s LinCMOS (Linear CMOS) process, which combines PMOS input transistors for extremely low input bias current with specialized output stage circuitry for near-rail-to-rail output swing. The input stage uses a differential pair of PMOS transistors, providing the 0.6pA gate leakage current. The input common-mode range extends from the negative rail to approximately VDD – 1.2V, covering most single-supply applications. The output stage uses a common-source PMOS pull-up and NMOS pull-down, allowing the output to swing within tens of millivolts of both supply rails under light load conditions. The internal compensation capacitor provides 48° phase margin, ensuring stability in unity-gain configurations without external components. The 1.8MHz GBW means the open-loop gain rolls off at 20dB/decade from approximately 10Hz, crossing 0dB at 1.8MHz. In a unity-gain configuration, the -3dB bandwidth is 1.8MHz; in a gain of 10 configuration, the bandwidth is approximately 180kHz.

针脚 名称 类型 说明
1 1OUT 输出 Amplifier 1 output
2 1IN- 输入 Amplifier 1 inverting input
3 1IN+ 输入 Amplifier 1 non-inverting input
4 GND/VSS 电源 Negative supply or ground
5 2IN+ 输入 Amplifier 2 non-inverting input
6 2IN- 输入 Amplifier 2 inverting input
7 2OUT 输出 Amplifier 2 output
8 VDD 电源 Positive supply (3V to 16V)

TLC272CP uses the PDIP-8 package with standard dual op-amp pinout: Pin 1 = Output A, Pin 2 = Inverting Input A (-), Pin 3 = Non-inverting Input A (+), Pin 4 = GND/VEE, Pin 5 = Non-inverting Input B (+), Pin 6 = Inverting Input B (-), Pin 7 = Output B, Pin 8 = VCC. This pinout is shared by LM358, TL072, NE5532, and all dual op-amps in DIP-8. The CMOS construction provides rail-to-rail output swing and very high input impedance (1TΩ typical). The C suffix denotes commercial temperature range (0°C to +70°C). For extended temperature, TLC272IP provides -40°C to +85°C. For quad version, TLC274 provides four CMOS op-amps in DIP-14.

  • Sensor Amplifier: 0.6pA input bias current preserves signal from high-impedance pH electrodes, photodiodes, and piezo sensors
  • Active Filters: 1.8MHz GBW supports 2nd-order Butterworth filters up to ~100kHz cutoff frequency
  • Sample-and-Hold: Low bias current minimizes droop rate on hold capacitor; dual amps = buffer + hold
  • Single-Supply: Rail-to-rail output maximizes dynamic range in 3.3V or 5V battery-powered designs
  • Precision Rectifier: Low offset and high input impedance improve accuracy of super-diode rectifier circuits
模型 制造商 主要区别 包装 Specs
TLC272ACDR TI A-grade version with tighter offset voltage specifications for precision measurement circuits SOIC-8 1.8MHz/A-grade
TLC277CP TI Improved version with lower offset and higher output drive for demanding analog applications DIP-8 1.8MHz/improved
MCP6002-I/SN 微型芯片 1.8-6V dual rail-to-rail CMOS op-amp with 1MHz GBW for low-voltage signal processing SOIC-8 1MHz/1.8-6V
LM358N TI Bipolar dual op-amp with 3-32V single supply for general-purpose analog signal chains DIP-8 1.1MHz/bipolar
TLV2322IPWR TI Ultra-low-power 20kHz dual CMOS op-amp with 2µA supply for battery monitoring circuits TSSOP-8 20kHz/2µA

TLC272 is a dual CMOS rail-to-rail output op-amp with 1.8MHz GBW and 3-16V supply range. The AC-grade offers tighter offset specifications. For lower-voltage designs, MCP6002 operates down to 1.8V. For ultra-low-power battery applications, TLV2322 draws only 2µA per amplifier. The TLC272 is ideal for single-supply signal conditioning where input common-mode range includes ground.

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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

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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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All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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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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