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Name: AD790JR-REEL
Brand: Analog Devices Inc.
SKU: AD790JR-REEL
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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Analog Devices Inc. AD790JR-REEL

Part No.:: AD790JR-REEL

Manufacturer:: Analog Devices Inc.

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

Datasheet:

Description:: IC COMPARATOR PREC W/LATCH 8SOIC

In Stock:: 3593

Quantity:: Add To Cart

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AD790JR-REEL Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
Type:
with Latch
NumberofElements:
1
OutputType:
CMOS, TTL
Voltage-SupplySingle/Dual(±):
4.5V ~ 7V, ±2.25V ~ 16.5V
Voltage-InputOffset(Max):
1.5mV @ 5V
Current-InputBias(Max):
5µA @ 5V
Current-Output(Typ):
-
Current-Quiescent(Max):
10mA
CMRRPSRR(Typ):
95dB CMRR, 90dB PSRR
PropagationDelay(Max):
50ns
Hysteresis:
500µV
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

AD790JR-REEL this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD790JR-REEL price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for AD790JR-REEL to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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AD790JR-REEL information

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AD790JR-REEL Typical application Circuitry

AD790JR-REEL

The AD790JR-REEL is a fast, precision voltage comparator known for its quick response time and low input offset voltage. It operates with a single or dual power supply, making it versatile for various applications. The AD790JR-REEL features TTL/CMOS-compatible outputs and can operate over a wide temperature range, making it suitable for high-speed and precision applications.

Application Scenario: Motor Speed Control in Robotics

In robotics, the AD790JR-REEL can be used in a motor speed control circuit to compare the feedback signal from a speed sensor with a reference speed signal, ensuring precise control of the motor's speed.

Circuit Design for Motor Speed Control

1. Power Supply Configuration:

- Connect the V+ pin (pin 8) of the AD790JR-REEL to the robot's power supply (e.g., +5 V).

- Ground the V- pin (pin 4) to establish a single supply operation.

- Place decoupling capacitors (0.1 µF ceramic) near the power supply pins to ensure a stable and noise-free power supply.

2. Reference Speed Signal Setup:

- Connect a variable voltage source (e.g., a potentiometer connected to +5 V) to the inverting input (IN-) pin (pin 2) to set the reference speed signal for the motor.

3. Speed Sensor Feedback:

- Connect the output of the speed sensor (e.g., a tachometer) to the non-inverting input (IN+) pin (pin 3) of the AD790JR-REEL through a signal conditioning circuit to scale the sensor signal within the input range of the comparator.

4. Output Configuration:

- Connect a pull-up resistor (e.g., 10 kΩ) from the output (OUT) pin (pin 6) to the power supply to ensure proper logic levels for the TTL/CMOS-compatible output.

- Connect the output (OUT) pin to the motor control circuit to adjust the motor speed based on the comparison of the feedback and reference signals.

5. Hysteresis Implementation:

- Add a feedback resistor between the output (OUT) pin and the non-inverting input (IN+) pin to introduce hysteresis, preventing oscillations due to noise in the feedback signal.

Key Design Considerations:

- Signal Conditioning: Properly condition the speed sensor signal to match the input range of the AD790JR-REEL and to filter out unwanted noise.

- Hysteresis: Implement hysteresis to improve noise immunity and prevent false triggering due to minor fluctuations in the speed sensor signal.

- Power Supply Stability: Ensure a stable power supply with adequate decoupling to prevent noise interference in the speed control circuit.

- Motor Control Integration: Ensure seamless integration with the motor control circuit for effective speed adjustment based on the comparator's output.

In this application, the AD790JR-REEL comparator serves as a critical component in a motor speed control circuit for robotics, providing fast and accurate comparison of speed sensor feedback with a reference speed signal. By addressing key design considerations such as signal conditioning, hysteresis, power supply stability, and motor control integration, designers can create a reliable and precise motor speed control system for robotic applications.

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6. What is the process for return or replacement of AD790JR-REEL?

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 AD790JR-REEL we delivered, we will accept the replacement or return of the AD790JR-REEL 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 AD790JR-REEL.

(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