ADM693A

Features:

Low Power Consumption:
Precision Voltage Monitor
62% Tolerance on ADM800L/M
Reset Time Delay-200 ms, or Adjustable
1 mA Standby Current
Automatic Battery Backup Power Switching
Fast Onboard Gating of Chip Enable Signals
Also Available in TSSOP Package (ADM691A)


Application

Microprocessor Systems
Computers
Controllers
Intelligent Instruments
Automotive Systems
Critical mP Power Monitoring


Pinout




Specifications

(TA = 25°C unless otherwise noted)
VCC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +6 V
VBATT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +6 V
All Other Inputs  . . . . . . . . . . . . . . . . . 0.3 V to VOUT + 0.5 V
Input Current
VCC (Peak)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 mA
VCC (Continuous)  . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 mA
VBATT (Peak)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 mA
VBATT (Continuous)  . . . . . . . . . . . . . . . . . . . . . . . . . . 25 mA
GND, BATT ON  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA
Digital Output Current  . . . . . . . . . . . . . . . . . . . . . . . . . 25 mA
Power Dissipation, N-16 DIP  . . . . . . . . . . . . . . . . . . 842 mW
ϑA Thermal Impedance  . . . . . . . . . . . . . . . . . . . . . 135°C/W
Power Dissipation, R-16 Narrow SOIC . . . . . . . . . . . 700 mW
JA Thermal Impedance  . . . . . . . . . . . . . . . . . . . . . . .110°W
Power Dissipation, R-16 Wide SOIC . . . . . . . . . . . . . 762 mW
JA Thermal Impedance  . . . . . . . . . . . . . . . . . . . . . 110°C/W
Power Dissipation, RU-16 TSSOP  . . . . . . . . . . . . . . 500 mW
JA Thermal Impedance  . . . . . . . . . . . . . . . . . . . . . 158°C/W
Operating Temperature Range
Industrial (A Version)  . . . . . . . . . . . . . . . . 40°C to +85°C
Lead Temperature (Soldering, 10 sec)  . . . . . . . . . . . . +300°C
Vapor Phase (60 sec)  . . . . . . . . . . . . . . . . . . . . . . . . . 215°C
Infrared (15 sec)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . +220°C
Storage Temperature Range  . . . . . . . . . . . . 65°C to +150°C


Description

The ADM691A/ADM693A/ADM800L/ADM800M family of supervisory circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup-battery switchover, watchdog timer, CMOS RAM write protection, and power-failure warning. The family of products provides an upgrade for the MAX691A/93A/800M family of products.