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ADI ADM691AR
The ADM691AR ensures reliable operation of processors by monitoring voltage levels and providing the appropriate signals for system control
Brands: Analog Devices Inc.
Mfr.Part #: ADM691AR
Datasheet: ADM691AR Datasheet (PDF)
Package/Case: SOIC-16
Product Type: Power Management ICs
RoHS Status:
Stock Condition: 3996 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomADM691AR General Description
The ADM691AR is a microprocessor supervisory circuit with manual reset input and watchdog timer. It is produced by Analog Devices and is housed in an 8-pin SOIC package. The device is designed to monitor the power supply voltage of a microprocessor or other digital system and assert a reset signal if the voltage falls below a specified threshold.The ADM691AR features an adjustable reset timeout period which can be set using an external capacitor. This allows for flexibility in setting the reset delay time to suit the specific requirements of the application. The manual reset input allows for an external pushbutton to be connected to force a reset condition when needed. The watchdog timer function of the ADM691AR monitors the activity of the microprocessor and resets the system if no activity is detected within a preset time period. This helps to prevent the system from hanging or becoming unresponsive due to a software or hardware fault.
Features
- Low voltage detection threshold of 4.65V
- Low supply current of 60µA
- Adjustable reset timeout period
- Watchdog timer
- Manual reset input
- Active high RESET output
- Power-on reset generator
- Wide operating voltage range of 1.8V to 5.5V
Application
- Power supply sequencing
- Voltage monitoring in computer systems
- Supply voltage monitoring in industrial control systems
- Battery monitoring in portable devices
- Overvoltage protection in automotive applications
- Fault detection in power distribution systems
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Category | Supervisory Circuits | RoHS | N |
| Type | Voltage Supervisory | Mounting Style | SMD/SMT |
| Package / Case | SOIC-16 | Threshold Voltage | 4.65 V |
| Number of Inputs Monitored | 1 Input | Output Type | Open Drain, Push-Pull |
| Manual Reset | No Manual Reset | Watchdog Timers | Watchdog |
| Battery Backup Switching | Backup | Reset Delay Time | 70 ms |
| Supply Voltage - Max | 5.5 V | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C | Series | ADM691 |
| Brand | Analog Devices | Chip Enable Signals | Chip Enable |
| Height | 2.35 mm | Operating Supply Current | 1.95 mA |
| Overvoltage Threshold | 4.73 V | Pd - Power Dissipation | 600 mW |
| Power Fail Detection | Yes | Product Type | Supervisory Circuits |
| Factory Pack Quantity | 47 | Subcategory | PMIC - Power Management ICs |
| Supply Voltage - Min | 4.75 V | Undervoltage Threshold | 4.5 V |
| Width | 7.6 mm |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Equivalent Parts
For the ADM691AR component, you may consider these replacement and alternative parts:
Part Number
Brands
Package
Description
Part Number : MAX691A
Brands :
Package :
Description :
Part Number : MCP100
Brands :
Package :
Description :
Part Number : MAX823
Brands :
Package :
Description :
Part Number : TPS3808
Brands :
Package :
Description :
Part Number : R3111
Brands :
Package :
Description :
Part Number : CAT809
Brands :
Package :
Description :
Part Number : TL77xx
Brands :
Package :
Description :
Part Number : LTC2950
Brands :
Package :
Description :
Part points
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The ADM691AR is a watchdog timer IC designed for monitoring microcontroller operation. It helps prevent system crashes by resetting the microcontroller if a software or hardware failure occurs. It operates over a wide voltage range and has a programmable timeout period. This chip is commonly used in automotive, industrial, and other embedded control applications.
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Equivalent
The equivalent products of the ADM691AR chip are ADM691AN, ADM691AQ, ADM691ARZ, ADM692AAR, ADM692AARZ, ADM693AAN, ADM693AN, ADM693AR, and ADM693ARZ. These are all voltage monitoring chips produced by Analog Devices. -
Features
The ADM691AR is a voltage supervisor with a manual reset input and a watchdog timer. It provides a precision voltage monitor for 5V systems, with a voltage threshold of 4.65V. It includes a built-in 400ms reset time delay and a 1.6 second watchdog timeout period. -
Manufacturer
The ADM691AR is manufactured by Analog Devices, a semiconductor company that specializes in data conversion and signal processing technology. Analog Devices is a leading provider of high-performance analog, mixed-signal, and digital signal processing integrated circuits for a wide range of applications in industrial, automotive, consumer, and communication markets. -
Application Field
The ADM691AR is commonly used in voltage monitoring and reset circuits in power management applications, industrial control systems, automotive electronics, and battery-powered devices. It provides accurate voltage monitoring and reset control to ensure the reliable operation and protection of sensitive electronic systems. -
Package
The ADM691AR chip comes in a 8-SOIC package. It is available in a surface mount form. The size of the chip is 4.90mm x 3.91mm.
Datasheet PDF
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