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Name: AD790JNZ
Brand: Analog Devices Inc.
SKU: AD790JNZ
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. AD790JNZ

Part No.:: AD790JNZ

Manufacturer:: Analog Devices Inc.

Package:: 8-DIP (0.300, 7.62mm)

Datasheet:

Description:: IC PREC COMPARATOR HS 8-DIP

In Stock:: 3957

Quantity:: Add To Cart

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AD790JNZ Specifications

Package/Case:
8-DIP (0.300, 7.62mm)
Packaging:
Tube
Series:
-
ProductStatus:
Active
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:
Through Hole

AD790JNZ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD790JNZ 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 AD790JNZ 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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AD790JNZ information

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AD790JNZ Typical application Circuitry

AD790JNZ

The AD790JNZ is a high-speed, precision voltage comparator known for its fast response time and low input offset voltage. It operates with a single or dual power supply, making it versatile for various applications. The AD790JNZ features TTL/CMOS-compatible outputs and can operate over a wide temperature range, making it suitable for high-speed and precision applications.

Application Scenario: Zero-Crossing Detector in Power Converters

In power converters, the AD790JNZ can be used as a zero-crossing detector to control the switching of power semiconductors, ensuring efficient and accurate power conversion.

Circuit Design for Zero-Crossing Detector

1. Power Supply Configuration:

- Connect the V+ pin (pin 8) of the AD790JNZ to a positive power supply (e.g., +5 V).

- Connect the V- pin (pin 4) to a negative power supply (e.g., -5 V) or ground for single supply operation.

- Place decoupling capacitors (0.1 µF ceramic) near the power supply pins to stabilize the power supply and reduce noise.

2. Input Signal Conditioning:

- Connect the input AC signal to the non-inverting input (IN+) pin (pin 3) through a resistor and capacitor network to limit the signal amplitude and filter out high-frequency noise.

- Ground the inverting input (IN-) pin (pin 2) to set the reference voltage for zero-crossing detection.

3. Output Configuration:

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

4. Feedback for Hysteresis:

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

5. Load Connection:

- Connect the output (OUT) pin to the control circuit of the power converter to drive the switching of power semiconductors based on the zero-crossing detection.

Key Design Considerations:

- Signal Conditioning: Properly condition the input signal to match the input voltage range of the AD790JNZ and to filter out unwanted noise.

- Hysteresis: Implement hysteresis to improve noise immunity and prevent false triggering near the zero-crossing point.

- Power Supply Decoupling: Use decoupling capacitors near the power supply pins to ensure stable operation and reduce noise coupling.

- Output Load: Ensure that the output load is compatible with the output drive capability of the AD790JNZ to prevent loading effects.

In this application, the AD790JNZ comparator serves as an efficient zero-crossing detector in power converters, providing fast and accurate switching control for power semiconductors. By addressing key design considerations such as signal conditioning, hysteresis, power supply decoupling, and output load compatibility, designers can create a reliable and high-performance zero-crossing detection circuit for power conversion applications.

AD790JNZ FAQ

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6. What is the process for return or replacement of AD790JNZ?

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 AD790JNZ we delivered, we will accept the replacement or return of the AD790JNZ 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 AD790JNZ.

(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