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Name: OPA189IDR
Brand: Texas Instruments
SKU: OPA189IDR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments OPA189IDR

Part No.:: OPA189IDR

Manufacturer:: Texas Instruments

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: OPA189IDR.pdf

Description:: IC OPAMP ZERO-DRIFT 1 CIRC 8SOIC

In Stock:: 2023

Quantity:: Add To Cart

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OPA189IDR Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Zero-Drift
ProductStatus:
Active
AmplifierType:
Zero-Drift
NumberofCircuits:
1
OutputType:
Rail-to-Rail
SlewRate:
20V/µs
GainBandwidthProduct:
14 MHz
-3dbBandwidth:
-
Current-InputBias:
70 pA
Voltage-InputOffset:
0.4 µV
Current-Supply:
1.3mA
Current-Output/Channel:
-
Voltage-SupplySpan(Min):
4.5 V
Voltage-SupplySpan(Max):
36 V
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

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OPA189IDR information

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OPA189IDR Typical application Circuitry

OPA189IDR

The OPA189IDR is a precision operational amplifier (op-amp) known for its high accuracy and low noise performance, making it an excellent choice for a variety of applications where signal integrity is paramount.

Functional Overview of OPA189IDR:

1. Precision Op-Amp: The OPA189IDR offers high precision amplification.

2. Ultra-Low Offset Voltage: Characterized by an extremely low input offset voltage for enhanced accuracy.

3. Wide Supply Voltage Range: Operates effectively over a broad voltage range.

4. Rail-to-Rail Output: Capable of delivering output that approaches the supply rails, maximizing dynamic range.

Application Scenarios:

1. Precision Instrumentation: Widely used in laboratory and industrial instrumentation for accurate signal processing.

2. Medical Devices: Suitable for sensitive medical applications where precision is critical.

3. Data Acquisition Systems: Ideal for high-precision data acquisition systems.

4. Sensor Signal Conditioning: Frequently employed in conditioning signals from various types of sensors.

Key Parameters:

1. Input Bias Current: Features a very low input bias current, minimizing errors in high-impedance applications.

2. Slew Rate: Offers a suitable slew rate for a range of signal processing tasks.

3. Low Input Noise: Its low input noise is crucial for applications involving sensitive measurements.

4. Temperature Coefficient: Demonstrates stable performance over varying temperature ranges.

Example Circuit Design: Sensor Signal Amplifier

Objective: Develop a sensor signal amplifier circuit using OPA189IDR.

Circuit Design Steps:

1. Power Supply Connection (Pins 4 and 8): Attach Pin 4 to the positive supply voltage and Pin 8 to the ground.

2. Sensor Input (Pin 3): Attach the sensor output to pin 3, the non-inverting input of the op-amp.

3. Gain Configuration (Pins 1, 2, and 5): Configure gain by connecting a feedback resistor between pin 1 (output) and pin 2 (inverting input), and grounding pin 5.

4. Output to Processing Unit (Pin 1): Connect the output from pin 1 to a processing unit or the next stage in the circuit.

5. Decoupling Capacitors: Implement capacitors near the power supply pins for voltage stabilization and noise reduction.

6. Grounding Strategy (Pin 4): Ensure optimal grounding to minimize electrical noise and interference.

Design Considerations:

1. Impedance Matching: Consider the impedance of subsequent stages for optimal performance.

2. Power Supply Stability: Use a stable power supply to ensure precision and accuracy.

3. PCB Layout: Design the PCB layout to minimize noise, interference, and ensure signal integrity.

4. Component Selection: Select high-quality components to maintain the signal path's integrity.

In conclusion, the OPA189IDR is a high-precision operational amplifier suitable for applications requiring accurate signal processing, such as in precision instrumentation, medical devices, data acquisition systems, and sensor signal conditioning. The sensor signal amplifier circuit outlined above demonstrates its application in enhancing sensor outputs, emphasizing the importance of a stable power supply, effective PCB layout, and high-quality component selection to maximize the effectiveness of OPA189IDR.

OPA189IDR FAQ

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3. Are the OPA189IDR price and inventory displayed accurate?

The price and inventory of OPA189IDR fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of OPA189IDR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the OPA189IDR we delivered, we will accept the replacement or return of the OPA189IDR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of OPA189IDR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations