INA116UA

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INA116UA

IC INST AMP 1 CIRCUIT 16SOIC

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Specifications

Supplier Texas Instruments
Package Tube
Series Difet®
ProductStatus Not For New Designs
AmplifierType Instrumentation
NumberofCircuits 1
SlewRate 0.8V/µs
-3dbBandwidth 800 kHz
Current-InputBias 0.003 pA
Voltage-InputOffset 500 µV
Current-Supply 1mA
Current-Output/Channel 12 mA
Voltage-SupplySpan(Min) 9 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-SOIC (0.295, 7.50mm Width)

Overview

Description

INA116UA is a precision instrumentation amplifier from TI (originally Burr-Brown). It combines three op-amps in one package to amplify small differential signals while rejecting large common-mode voltages. Key strengths include very high input impedance, low input offset and drift, and high common-mode rejection (CMRR). Gain is user-set with an external RG resistor, typically covering a wide range (roughly 1 to hundreds or thousands, depending on RG). The device can operate on single or dual supplies within its rated voltage range, and it is commonly used for sensor front-ends such as strain gauges, thermocouples, and bridge transducers where accurate, low-noise differential amplification is required. The UA suffix indicates a specific package variant.

Features

Key features of the INA116UA (Instrumentation Amplifier):
- Three-op-amp instrumentation amplifier architecture for high accuracy
- Very high input impedance
- Gain set by external RG, with a wide range (approximately 1 to 1000)
- Very good common-mode rejection (high CMRR)
- Low input bias current and low offset voltage with low drift
- Wide supply voltage range (typically supports single or dual supplies from a few volts up to about 36 V total)
- Output can swing close to rails but not rail-to-rail
- Low noise and suitable for precision sensor applications
- Industrial temperature range (e.g., -40°C to +85°C)
- Offered in DIP-8 (UA) package
These make the INA116UA suitable for bridge and sensor signal conditioning with accurate gain and strong common-mode rejection.

Package

INA116UA comes in an 8-pin DIP (PDIP) package (through-hole).

Pinout

- Pin count: 8 pins (8-pin package, e.g., DIP/SOIC)
- Function/pinout (INA116UA as an instrumentation amplifier):
- Pins 2 and 3: -IN and +IN (differential inputs)
- Pins 1 and 8: RG (gain-setting resistor)
- Pin 5: REF (output reference)
- Pin 6: OUTPUT
- Pin 4: -Vs (negative supply)
- Pin 7: +Vs (positive supply)
The device provides high input impedance, differential amplification, and gain set by RG, with output referenced via REF.

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: An American multinational corporation that designs and manufactures semiconductors and integrated circuits (ICs), including analog and digital ICs. TI acquired Burr-Brown, the original maker of the INA116.

Application

INA116UA is a precision instrumentation amplifier. Typical applications:
- Biomedical instrumentation (ECG, EEG, EMG) and biopotential amplifiers
- Bridge-based sensors (strain gauges, load cells) signal conditioning
- Thermocouple and RTD temperature-sensor conditioning
- Industrial data-acquisition/front-end instrumentation needing high CMRR and high input impedance
- Accelerometers and other low-level sensor signal conditioning

Equivalent

Equivalents (instrumentation amplifiers with similar function and gain range):
- Analog Devices: AD620, AD623
- Texas Instruments: INA126, INA118, INA122
- Linear Technology: LTC2050, LTC2051
Note: exact substitution depends on gain range (1–1000), bandwidth, input offset/drift, noise, supply rails, and pinout. Check the data sheets for a proper cross-reference.

Shipping

Shipping MethodsWe

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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