TP2112

600-nA, 5-V Operational Amplifie

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概述
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概述

The TP211x series is an ultra-low power, precision CMOS operational amplifier that provides a constant 10-kHz bandwidth and a 10-mV/μs slew rate with a maximum quiescent current of only 600 nA per amplifier. The groundsensing input common-mode range, which guarantees a 1.5-mV VOS and an ultra-low 0.4-μV/°C VOS TC, enables an accurate and stable measurement for both the high-side and low-side current sensing.

The TP211x series has a carefully designed CMOS input stage that outperforms competitors with a typically 0.1-fA IB. This ultra-low input current significantly reduces IB and IOS errors introduced in the giga-Ω resistance, high-impedance photodiode, and charge sense situations. The TP211x series is unity gain stable with a 1,000-nF capacitive load. It can operate from a single-supply voltage of +1.8 V to +5.5 V or a dual-supply voltage of ±0.9 V to ±2.75 V, and features ground-sensing inputs and the rail-to-rail output.

The combined features make the TP211x series ideally suited for a variety of 2-cell NiCd/Alkaline battery or single-Li+ battery-powered portable applications. Potential applications include low-frequency signal conditioning, mobile accessories, wireless remote sensing, vibration monitors, ECGs, pulse monitors, glucose meters, smoke and fire detectors, and backup battery sensors.

Status

Production
Rating

Industrial
Channel

2
Supply Voltage (Min)

1.8
Supply Voltage (Max)

5.5
Iq per channel (Max) (μA)

0.6
GBW (Typ) (MHz)

0.01
Slew Rate (Typ) (V/μs)

0.006
Rail-Rail In

Yes
Rail-Rail Out

Yes
Ishort (Typ) (mA)

20
Vos (Max) (mV)

1.5
Offset Drift (Typ) (μV/°C)

0.4
Ib (typ) (pA)

1
Vn (Typ) (nV/rtHz)

265
Peak Noise at 0.1 to 10Hz (μVpp)

10
Shutdown/Disable

/
Operating Temperature Range (°C)

-40 to 125
Feature

/
Package

SOIC-8, MSOP-8, DFN2X2-8

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- Datasheet_TP2111-TP2112
  
  数据手册
  
  英文
  
  02/02/2024
  
  600-nA, 5-V Operational Amplifier
- Introduction to Latch-up and the Preventive Measures
  
  技术文章
  
  英文
  
  01/19/2024
- Application Tips on ESD-EOS
  
  技术文章
  
  英文
  
  01/19/2024
- Analyzing the Power Supply Design of Operational Amplifiers with Examples
  
  技术文章
  
  英文
  
  01/19/2024
- 3PEAK Analog Products Selection Guide
  
  选型手册
  
  中文
  
  01/19/2024