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ADI LT1990IS8#TRPBF product image
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ADI LT1990IS8#TRPBFRoHS

Manufacturer
ADI
MPN
LT1990IS8#TRPBF
LCSC Part #
C665877
Packaging
SOP-8
Customer #
Key Attributes
Micro-power differential amplifier with ±250V input range, 100kHz, and G=10
Datasheetpdf iconADI LT1990IS8#TRPBF
In-Stock: 10
10 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 12.7507$ 12.75
10+$ 11.0386$ 110.39
30+$ 9.9971$ 299.91
100+$ 9.1217$ 912.17
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Instrumentation, Op Amps, Buffer Amps
ManufacturerADI
PackagingSOP-8
Settling time20us
Number of Channels1
Output Type-
Vos - Input Offset Voltage800uV
Slew Rate1.2V/us
FeaturesOvervoltage protection;Capacitive load driving;Built-in compensation
Operating Temperature-40℃~+85℃
Common Mode Rejection Ratio(CMRR)60dB
Ib - Input Bias Current-
Noise density(eN)1uV/√Hz@1kHz
Maximum Power Supply Range (Vdd-Vss)36V
Input Offset Voltage Drift(Vos TC)5uV/℃
Quiescent Current180uA
Gain Bandwidth Product100kHz
Output Current8mA
Dual Supply-15V~15V
Rail to RailRail-to-rail output
Single Supply2.7V~36V
Power Supply Rejection Ratio (PSRR)82dB
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The LT1990-10 operates from a 5V single supply with an adjustable 85V input range, minimum 60dB CMRR, and power consumption below 180µA. Rail-to-rail output maximizes dynamic range, which is especially critical for single-supply applications down to 2.7V. The LT1990-10 operates from 3V, 5V, and ±15V single supplies over the industrial temperature range. The LT1990-10 is available in 8-pin SO and pin FMEA-compatible MSOP packages.

Features

AI Translation
  • Gain δ = 10
  • –3dB Bandwidth = 100kHz
  • High Common-Mode Voltage Range: ±250V (Vs = ±15V); 85V Window (VS = 5V, 0V)
  • CMRR: 60dB (min)
  • Input Protection to ±350V
  • Gain Error: 0.8% (max)
  • PSRR: 82dB (min)
  • High Input Impedance: 2MΩ Differential, 500kΩ Common-Mode
  • Micropower: Supply Current: 180µA (max)
  • Wide Supply Voltage Range: 2.7V to 36V
  • Rail-to-Rail Output
  • Available in 8-Pin SO and Pin FMEA Compatible MSOP Packages
  • The LT1990-10 is a complete gain block solution for high input common-mode voltage applications. The device integrates a low power precision op amp and thin-film resistors to produce a gain of 10 with high accuracy.
  • The on-chip resistors form a modified difference amplifier with a reference port for introducing offset or other additive waveforms.
  • The resistor network architecture generates a 1/27 internal voltage division of the common-mode voltage, enabling a very large input range. The input range can far exceed the supply voltage used by the LT1990-10 itself.
  • All I/Os except the –IN and +IN pins incorporate standard ESD clamp diodes. The inputs are rated at ±250V with ±500V protection.
  • Compared to traditional discrete approaches, the LT1990-10 single-chip solution significantly simplifies instrumentation design development with its wide input voltage range and input impedance greater than 1MΩ.

Applications

AI Translation
  • High-side and low-side current or voltage monitoring
  • Battery cell voltage monitoring
  • High-voltage current sensing
  • Signal acquisition in high-noise environments
  • Input protection
  • Fault-protected front end
  • Liquid level detection
  • Isolation
  • Full-bridge load current monitor