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MFG:ADI D/C:09
Part Number: ADM6823
MFG: ADI
D/C: 09
Description: The ADM682x are supervisory circuits that monitor power supply voltage levels and code execution integ...
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ADM6823
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DataSheet
General Description
ADM6823 General Description
The ADM682x are supervisory circuits that monitor power supply voltage levels and code execution integrity in microprocessor-based systems. As well as providing power-on reset signals, an on-chip watchdog timer can reset the microprocessor if it fails to strobe within a preset timeout period. A reset signal can also be asserted by means of an external push-button through a manual reset input. The parts feature different combinations of watchdog input and manual reset input and output stage configurations, as shown in Table 1.
Each part is available in nine reset threshold options, ranging from 1.58 V to 4.63 V. The reset and watchdog timeout periods are fixed at 140 ms (min) and 1.6 sec (typ), respectively.
The ADM682x are available in 5-lead SOT-23 packages and typically consume only 7 A, making them suitable for use in low power, portable applications.
ADM6823 Maximum Ratings
| Parameter | Rating |
| VCC Output Current (RESET, RESET) Operating Temperature Range Storage Temperature Range JA Thermal Impedance Soldering Temperature Sn/Pb Pb-Free |
−0.3 V to +6 V 20 mA −40°C to +125°C −65°C to +150°C 170°C/W 240°C, 30 sec 260°C, 40 sec |
ADM6823 Features
Precision low voltage monitoring
9 reset threshold options: 1.58 V to 4.63 V
140 ms (min) reset timeout
Watchdog timer with 1.6 sec timeout
Manual reset input
Reset output stages
Push-pull active-low
Open-drain active-low
Push-pull active-high
Low power consumption (7 A)
Guaranteed reset output valid to VCC = 1 V
Power supply glitch immunity
Specified from −40°C to +125°C
5-lead SOT-23 package
9 reset threshold options: 1.58 V to 4.63 V
140 ms (min) reset timeout
Watchdog timer with 1.6 sec timeout
Manual reset input
Reset output stages
Push-pull active-low
Open-drain active-low
Push-pull active-high
Low power consumption (7 A)
Guaranteed reset output valid to VCC = 1 V
Power supply glitch immunity
Specified from −40°C to +125°C
5-lead SOT-23 package
ADM6823 Typical Application
Microprocessor systems
Computers
Controllers
Intelligent instruments
Portable equipment
Computers
Controllers
Intelligent instruments
Portable equipment
ADM6823 Connection Diagram
ADM6823
PDF/DataSheet Download
- Datasheet: ADM6823
- File Size: 661574 KB
- Manufacturer: AD
- Click here to Download
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