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Name: AD790SQ
Brand: Analog Devices Inc.
SKU: AD790SQ
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. AD790SQ

Part No.:: AD790SQ

Manufacturer:: Analog Devices Inc.

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

Datasheet:

Description:: IC COMPARATOR PREC W/LATCH 8CDIP

In Stock:: 2157

Quantity:: Add To Cart

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AD790SQ Specifications

Package/Case:
8-CDIP (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:
-55°C ~ 125°C
MountingType:
Through Hole

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AD790SQ information

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AD790SQ Typical application Circuitry

AD790SQ

The AD790SQ is a fast, precision comparator designed for applications requiring quick and accurate signal comparison. It's particularly well-suited for uses like zero-crossing detection, window comparators, and high-speed triggering in instrumentation.

Key Features:

1. Fast Response Time: Offers a propagation delay as low as 45 ns, making it suitable for high-speed applications.

2. Precision Comparison: Features high input impedance and low input bias current for accurate signal comparison.

3. Versatile Power Supply: Operates with dual power supplies ranging from ±5V to ±15V or a single supply from 5V to 30V.

4. Output Latch: Includes an output latch function for holding the comparator's output state.

5. Robust Design: Encased in a ceramic DIP package for enhanced durability and reliability.

Application Example: Zero-Crossing Detector for AC Signal Processing

In this application, the AD790SQ is used to develop a zero-crossing detector for processing AC signals in an electronic instrument.

1. Signal Input Connection: Connect the AC signal to be analyzed to the non-inverting input pin (IN+) of the AD790SQ.

2. Reference Voltage Setup: Connect a stable reference voltage (typically 0V for zero-crossing detection) to the inverting input pin (IN-) of the AD790SQ.

3. Power Supply Configuration: Provide dual power supplies, ±15V, to the V+ and V- pins for optimal performance.

4. Output Monitoring: Connect the output pin (OUT) to the input of a microcontroller or digital circuit for monitoring the zero-crossing events.

5. Latch Control (Optional): If latching is required, connect a control signal to the latch enable pin (LE) to control the output state.

Circuit Design Considerations:

- Input Signal Conditioning: Ensure the AC signal amplitude is within the input range of the AD790SQ for accurate detection.

- Power Supply Stability: Use stable power supplies to maintain consistent performance of the AD790SQ.

- Noise Immunity: Implement noise-reduction techniques, such as proper grounding and shielding, to minimize false triggering.

- Latch Timing: If using the latch function, carefully design the control timing to ensure correct output state retention.

By employing the AD790SQ in this manner, a highly responsive and precise zero-crossing detector can be constructed, enhancing the AC signal processing capabilities of electronic instruments.

AD790SQ FAQ

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3. Are the AD790SQ price and inventory displayed accurate?

The price and inventory of AD790SQ 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 AD790SQ?

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 AD790SQ we delivered, we will accept the replacement or return of the AD790SQ 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 AD790SQ.

(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