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Name: AD790JR-REEL7
Brand: Analog Devices Inc.
SKU: AD790JR-REEL7
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-REEL7

Part No.:: AD790JR-REEL7

Manufacturer:: Analog Devices Inc.

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

Datasheet:

Description:: IC COMPARATOR PREC W/LATCH 8SOIC

In Stock:: 3959

Quantity:: Add To Cart

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AD790JR-REEL7 Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Bulk
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-REEL7 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD790JR-REEL7 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-REEL7 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-REEL7 information

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AD790JR-REEL7 Typical application Circuitry

AD790JR-REEL7

The AD790JR-REEL7 is a high-speed, precision voltage comparator known for its rapid response time and low input offset voltage. It operates with a single or dual power supply, making it versatile for various applications. The AD790JR-REEL7 features TTL/CMOS-compatible outputs and can operate over a wide temperature range, making it suitable for high-speed and precision applications.

Application Scenario: Battery Charge Level Indicator in Portable Devices

In portable devices, the AD790JR-REEL7 can be used to create a battery charge level indicator, providing visual feedback on the battery's state of charge and alerting the user when the battery needs recharging.

Circuit Design for Battery Charge Level Indicator

1. Power Supply Configuration:

- Connect the V+ pin (pin 8) of the AD790JR-REEL7 to the battery's positive terminal.

- 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. Voltage Reference Setup:

- Connect a precision voltage reference (e.g., 3 V) to the inverting input (IN-) pin (pin 2) to set the threshold voltage for the charge level indicator.

3. Battery Voltage Monitoring:

- Connect the battery's positive terminal to the non-inverting input (IN+) pin (pin 3) through a voltage divider network to scale the battery voltage within the input range of the AD790JR-REEL7.

4. Output Configuration:

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

- Connect the output (OUT) pin to an LED or a series of LEDs to visually indicate the battery charge level.

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 at the threshold voltage.

Key Design Considerations:

- Voltage Scaling: Ensure proper scaling of the battery voltage to fall within the input range of the AD790JR-REEL7 while maintaining detection accuracy.

- Hysteresis: Implement hysteresis to improve noise immunity and prevent false triggering near the threshold voltage.

- Power Consumption: Minimize the power consumption of the charge level indicator circuit to avoid draining the battery.

- Visual Feedback: Design the visual feedback mechanism (e.g., LED brightness or color) to provide clear and intuitive information about the battery charge level.

In this application, the AD790JR-REEL7 comparator serves as an effective battery charge level indicator in portable devices, providing fast and accurate detection of the battery's state of charge. By addressing key design considerations such as voltage scaling, hysteresis, power consumption, and visual feedback, designers can create a reliable and user-friendly charge level indicator for various portable devices.

AD790JR-REEL7 FAQ

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6. What is the process for return or replacement of AD790JR-REEL7?

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-REEL7 we delivered, we will accept the replacement or return of the AD790JR-REEL7 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-REEL7.

(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