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SP802TEP Datasheet

  • SP802TEP

  • 3.0V/3.3V Low Power Microprocessor Supervisory with Battery ...

  • 20頁(yè)

  • SIPEX

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SP690T/S/R, SP802T/S/R,
SP804T/S/R, and SP805T/S/R
3.0V/3.3V Low Power Microprocessor
Supervisory with Battery Switch-Over
s
RESET and RESET Outputs
s
Reset asserted down to V
CC
= 1V
s
Reset Time Delay - 200ms
s
Watchdog Timer - 1.6 sec timeout
s
40碌A(chǔ) Maximum V
CC
Supply Current
s
1碌A(chǔ) Maximum Battery Supply Current
s
Power Switching
50mA Output in V
CC
Mode (1.5鈩?
10mA Output in Battery Mode (15鈩?
s
Battery Can Exceed V
CC
in Normal Operation
s
Precision Voltage Monitor for Power-Fail
or Low-Battery Warning
s
Available in 8 pin SO and DIP packages
s
Pin Compatible Upgrades to
MAX690T/S/R, MAX802T/S/R,
MAX804T/S/R, MAX805T/S/R
DESCRIPTION
The
SP690T/S/R, SP802T/S/R, SP804T/S/R
and
SP805T/S/R
devices are a family of
microprocessor (碌P) supervisory circuits that integrate a myriad of components involved in
discrete solutions to monitor power-supply and battery-control functions in
碌P
and digital
systems. The series will significantly improve system reliability and operational efficiency
when compared to discrete solutions. The features of the
SP690T/S/R, SP802T/S/R,
SP804T/S/R
and
SP805T/S/R
devices include a watchdog timer, a
碌P
reset and backup-
battery switchover, and power-failure warning; a complete
碌P
monitoring and watchdog
solution. The series is ideal for 3.0V or 3.3V applications in portable electronics, computers,
controllers, and intelligent instruments and is a solid match for designs where it is critical to
monitor the power supply to the
碌P
and it鈥檚 related digital components. Refer to
Sipex's
SP690A/692A/802L/802M/805L/805M
series for similar devices designed for +5V systems.
Part Number
SP690T/805T
SP802T/804T
SP690S/805S
SP802S/804S
SP690R/805R
SP802R/804R
RESET
Active
LOW/HIGH
LOW/HIGH
LOW/HIGH
LOW/HIGH
LOW/HIGH
LOW/HIGH
RESET
Threshold
3.075V
3.075V
2.925V
2.925V
2.625V
2.625V
RESET
Accuracy
鹵75mV
鹵60mV
鹵75mV
鹵60mV
鹵75mV
鹵60mV
PFI
Accuracy
鹵4%
鹵2%
鹵4%
鹵2%
鹵4%
鹵2%
Watchdog
Input
YES
YES
YES
YES
YES
YES
Backup-Battery
Switch
YES
YES
YES
YES
YES
YES
SP690T/S/R DS/10
SP690T/S/R, 802/T/S/R, 804T/S/R, 805T/S/R Low Power Microprocessor Supervisory
漏 Copyright 2000 Sipex Corporation
1

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