INA168NA/250

Name: INA168NA/250
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

High-frequency operation up to 800kHz

4,579 Effective Inventory

INA168NA/250

Effective Inventory4,579

High-frequency operation up to 800kHz

Manufacturer Part # : INA168NA/250
Package/Case: SOT-23 (DBV)-5
Part Status : ACTIVE
Brand: Texas Instruments
Product Categories : Current Regulation/Management
Series : INA168

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INA168NA/250 DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$0.546	$0.55
10	$0.532	$5.32
30	$0.525	$15.75
100	$0.516	$51.60

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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INA168NA/250 Details

The INA168NA/250 is a high-performance, low-power current sensing amplifier from Texas Instruments, designed for precision current measurements in industrial automation applications. This device features a wide common-mode voltage range, high accuracy, and low offset voltage, making it suitable for demanding industrial environments.

Pinout

VIN+: Positive Input Voltage
VIN-: Negative Input Voltage
VOUT+: Positive Output Voltage
VOUT-: Negative Output Voltage
GND: Ground

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Wide Common-Mode Voltage Range: Operates over a wide common-mode voltage range of -30V to +60V.
High Accuracy: Provides high accuracy and low offset voltage for precise current measurements.
Low Power Consumption: Designed for low power operation, making it suitable for battery-powered applications.
Fast Response Time: Features a fast response time of 100μs or less for accurate current measurement.

Applications

The INA168NA/250 is suitable for various industrial automation applications, including:

Motor control systems
Solar power inverters
Battery management systems
Power supplies and converters

Where to Use

The INA168NA/250 is ideal for use in industrial environments where high accuracy, low power consumption, and fast response time are required. It is suitable for applications that require precise current measurement and control.

How to Use

To use the INA168NA/250, connect the VIN+ and VIN- pins to the input voltage source, and the VOUT+ and VOUT- pins to the output load. Ensure proper power supply connections to GND and VIN+. Refer to the datasheet for detailed usage instructions.

Application Circuit

The application circuit diagram for the INA168NA/250 illustrates how to connect the amplifier to a current sensing application. It includes connections for input voltage, output load, and power supply, ensuring proper operation and accurate current measurement.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

INA169NA/250: A similar current sensing amplifier from Texas Instruments offering comparable features and performance.
LTC2944-1.25: An alternative current sensing amplifier from Linear Technology with equivalent functionality.

Complementary

The INA168NA/250 can be complemented by the INA167NA/250, which offers additional features such as higher accuracy and lower power consumption, suitable for more demanding industrial applications.

When selecting complementary amplifiers, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product type	Analog output	Common-mode voltage (max) (V)	60
Common-mode voltage (min) (V)	2.7	Input offset (±) (max) (µV)	1000
Input offset drift (±) (typ) (µV/°C)	1	Voltage gain (V/V)	adjustable
CMRR (min) (dB)	100	Bandwidth (kHz)	32
Supply voltage (max) (V)	60	Supply voltage (min) (V)	2.7
Iq (max) (mA)	0.06	Number of channels	1
Comparators (#)	0	Gain error (%)	2
Gain error drift (±) (max) (ppm/°C)	100	Features	Current Output
Rating	Catalog	Operating temperature range (°C)	-40 to 125

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification INA168NA/250 PDF Download

FAQs

What is INA168NA/250?

The INA168NA/250 is a high-precision, low-power instrumentation amplifier designed by Texas Instruments. It is specifically tailored for accurate signal amplification in applications such as precision data acquisition, sensor interfaces, and industrial instrumentation.

How Does INA168NA/250 Work?

The INA168NA/250 operates as an instrumentation amplifier, providing high-accuracy amplification of differential input signals. It offers excellent common-mode rejection and low offset voltage, making it suitable for applications requiring precise measurements in noisy environments. The amplifier features a low-power design, ideal for battery-powered systems.

How Many Pins does INA168NA/250 have and What are the Functions of the Pinout Configuration?

The INA168NA/250 is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

IN-: Inverting input pin.
IN+: Non-inverting input pin.
REF-: Reference voltage input pin.
REF+: Reference voltage input pin.
VS-: Supply voltage pin (negative).
OUT: Output pin.
VS+: Supply voltage pin (positive).

What are the Pros and Cons of INA168NA/250?

Pros:

Precision Amplification: Provides high-accuracy signal amplification for precise measurements.
Low Power Consumption: Operates with low power, suitable for energy-efficient designs.
Common-Mode Rejection: Offers excellent rejection of common-mode noise, ensuring signal integrity.
Wide Supply Voltage Range: Accommodates a wide range of supply voltages for versatile applications.
Small Package Size: The 8-pin SOIC package is compact and space-efficient.

Cons:

Cost: High-precision amplifiers like the INA168NA/250 may come at a higher cost compared to general-purpose alternatives.
External Components: May require additional external components for specific application requirements.
Application Limitations: Some applications may require amplifiers with higher bandwidth or specialized features.

Are There Any Equivalents/Alternatives to INA168NA/250 for Recommendation?

The AD620 from Analog Devices is a comparable instrumentation amplifier with high precision.
Alternatives to the INA168NA/250 include the INA122 from Texas Instruments and the LT1167 from Analog Devices.