Overview
The ADM8696ARW-REEL, produced by Analog Devices Inc., is a microprocessor supervisory circuit designed to provide comprehensive power supply monitoring and battery control functions in microprocessor systems. This integrated circuit offers a single-chip solution for various critical system functions, including power-on reset, backup battery switchover, watchdog timer, and power failure warning. The ADM8696 is fabricated using an advanced epitaxial CMOS process, ensuring low power consumption and high reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 16-SOIC (0.295", 7.50mm width) |
| Operating Temperature | -40°C to 85°C |
| Voltage Threshold | 1.3V |
| Reset Timeout | 35 ms Minimum |
| Reset Output Type | Push-Pull, Active High/Active Low |
| Watchdog Timer | 100 ms, 1.6 s, or Adjustable |
| Standby Current | 400 nA |
| Switch On Resistance | 0.7 Ω Normal, 7 Ω in Backup |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Upgrade for ADM696/ADM697, MAX696/MAX697 with specified over temperature performance.
- Adjustable low line voltage monitor and power OK/reset time delay.
- Watchdog timer with 100 ms, 1.6 s, or adjustable timeout periods.
- Low switch on resistance (0.7 Ω normal, 7 Ω in backup) and minimal voltage drop for increased output current drive up to 100 mA.
- Automatic battery backup switching and fast on-board gating of chip enable signals.
- Voltage monitor for power fail or low battery warning.
- Available in various packages including TSSOP.
Applications
The ADM8696ARW-REEL is suitable for a variety of applications requiring robust power management and monitoring, including:
- Battery-powered systems where reliable voltage monitoring and backup switching are critical.
- Microprocessor-based systems that require power-on reset, watchdog timer, and CMOS RAM write protection.
- Embedded systems needing minimal component count and system complexity.
- Industrial and automotive systems requiring wide operating temperature ranges and high reliability.
Q & A
- What is the primary function of the ADM8696ARW-REEL? The primary function is to provide power supply monitoring and battery control functions in microprocessor systems.
- What are the available package types for the ADM8696? The ADM8696 is available in 16-pin DIP, SOIC, and TSSOP packages.
- What is the operating temperature range of the ADM8696ARW-REEL? The operating temperature range is -40°C to 85°C.
- What is the voltage threshold for the reset function? The voltage threshold is adjustable but typically set at 1.3V.
- Does the ADM8696ARW-REEL support battery backup switching? Yes, it supports automatic battery backup switching.
- What are the watchdog timer options for the ADM8696? The watchdog timer can be set to 100 ms, 1.6 s, or an adjustable period.
- What is the standby current of the ADM8696ARW-REEL? The standby current is 400 nA.
- Is the ADM8696ARW-REEL RoHS compliant? Yes, it is lead-free and RoHS compliant.
- What is the switch on resistance of the ADM8696ARW-REEL? The switch on resistance is 0.7 Ω normal and 7 Ω in backup mode.
- Can the ADM8696ARW-REEL handle high output current drive? Yes, it can drive up to 100 mA without an external pass transistor due to minimal voltage drop.
