What is the Additional Feature ?

Name: LT1721IGN
Brand: Analog Devices Inc.
SKU: LT1721IGN
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. LT1721IGN

Part No.:: LT1721IGN

Manufacturer:: Analog Devices Inc.

Package:: 16-SSOP (0.154, 3.90mm Width)

Datasheet:: LT1721IGN.pdf

Description:: IC COMP R-RINOUT QUAD 16-SSOP

In Stock:: 3084

Quantity:: Add To Cart

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LT1721IGN Specifications

Package/Case:
16-SSOP (0.154, 3.90mm Width)
Packaging:
Tube
Series:
UltraFast™
ProductStatus:
Active
Type:
General Purpose
NumberofElements:
4
OutputType:
CMOS, Rail-to-Rail, TTL
Voltage-SupplySingle/Dual(±):
2.7V ~ 6V
Voltage-InputOffset(Max):
3mV @ 5V
Current-InputBias(Max):
6µA @ 5V
Current-Output(Typ):
20mA
Current-Quiescent(Max):
7mA
CMRRPSRR(Typ):
70dB CMRR, 80dB PSRR
PropagationDelay(Max):
10ns
Hysteresis:
7mV
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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LT1721IGN information

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LT1721IGN Typical application Circuitry

LT1721IGN is a precision comparator chip designed for high-speed and low-power applications, commonly used in voltage monitoring, level detection, and signal conditioning circuits.

Application Scenario:

In battery management systems, LT1721IGN can be utilized to monitor battery voltage levels and trigger appropriate actions, such as charging or discharging control.

Circuit Design:

To design a battery voltage monitoring circuit using LT1721IGN, follow these steps:

1. Voltage Divider Connection:

Connect a voltage divider network to the input pins of LT1721IGN to scale down the battery voltage to a range compatible with the comparator's input voltage range. Use precision resistors to maintain accuracy.

2. Reference Voltage:

Set a reference voltage using a voltage reference IC or a precision voltage divider circuit. Connect the reference voltage to one input of the comparator to establish the voltage threshold for comparison.

3. Output Control:

Connect the output pin of LT1721IGN to a microcontroller or other control circuitry. Configure the microcontroller to take appropriate actions based on the comparator's output state, such as activating charging or discharging circuits.

4. Hysteresis:

Implement hysteresis using feedback resistors between the output and non-inverting input of LT1721IGN to prevent output oscillation and improve noise immunity. Choose resistor values carefully to set the desired hysteresis level.

5. Power Supply:

Provide a stable power supply voltage within the specified operating range of LT1721IGN. Use decoupling capacitors near the power pins to minimize noise and ensure reliable operation.

Considerations:

When designing the circuit, it's essential to consider:

- Input Voltage Range: Ensure that the voltage divider network scales down the battery voltage to within the input range of LT1721IGN.

- Hysteresis Design: Optimize the hysteresis level to prevent false triggering and ensure stable operation under varying conditions.

- Power Consumption: Minimize power consumption to prolong battery life, especially in portable applications.

- Noise Immunity: Implement filtering techniques and proper PCB layout to minimize noise and improve the reliability of voltage monitoring.

- Temperature Effects: Consider temperature variations and calibrate the circuit if necessary to maintain accuracy over the operating temperature range.

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3. Are the LT1721IGN price and inventory displayed accurate?

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6. What is the process for return or replacement of LT1721IGN?

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 LT1721IGN we delivered, we will accept the replacement or return of the LT1721IGN 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 LT1721IGN.

(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