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IMP707ESA, IMP707ESA-T, IMP708

Table of contents:
Info of IMP707ESA
Info of IMP707ESA-T
Info of IMP708

IMP707ESA, IMP707ESA-T, IMP708 Selling Leads, Datasheet

MFG:DIP Package Cooled:IMP D/C:05+

IMP707ESA, IMP707ESA-T, IMP708 Datasheet download

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Part Number: IMP707ESA

MFG: DIP

Package Cooled: IMP

D/C: 05+

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IMP708 General Description

The IMP705/706/707/708 and IMP813L CMOS supervisor circuits monitor power-supply and battery voltage level, and µP/µC operation. Compared to pin-compatible devices offered by Maxim Integrated Products, IMP devices feature 60 percent lower maximum supply current.

The family offers several functional options. Each device generates a reset signal during power-up, power-down and during brownout conditions. A reset is generated when the supply drops below 4.65V (IMP705/707/813L) or 4.40V (IMP706/708). For 3V power supply applications, refer to the IMP705P/R/S/T data sheet. In addition, the IMP705/706/813L feature a 1.6 second watchdog timer. The IMP707/708 have both active-HIGH and active-LOW reset outputs but no watchdog function. The IMP813L has the same pin-out and functions as the IMP705 but has an active-HIGH reset output. A versatile power-fail circuit has a 1.25V threshold, useful in checking battery levels and non-5V supplies. All devices have a manual reset (MR ) input. The watchdog timer output will trigger a reset if connected to MR .

All devices are available in 8-pin DIP, SO and MicroSO packages.

IMP708 Maximum Ratings

V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3V to 6.0V
All other inputs1 . . . . . . . . . . . . 0.3V to (V_CC + 0.3V)
Input Current at V_CC and GND . . . . . . . . . . . . . . 20mA
Output Current: All outputs . . . . . . . . . . . . . . . . . 20mA
Rate of Rise at V_CC . . . . . . . . . . . . . . . . . . . . . 100V/µs
Plastic DIP Power Dissipation . . . . . . . . . . . . . 700 mW
(Derate 9 mW/°C above 70°C)
SO Power Dissipation . . . . . . . . . . . . . . . . . . . 470 mW
(Derate 5.9 mW/°C above 70°C)
MicroSO Power Dissipation . . . . . . . . . . . . . . . . 330mW
(Derate 4.1 mW/°C above 70°C)
IMP705E/706E/707E/708E/813LE . . . 40°C to 85°C
IMP706C/707C/708C/813LC . . . . . . . . 0°C to 70°C
Storage Temperature Range . . . . . . 65°C to 160°C
Lead Temperature Soldering(10 sec) . . . . . . . . 300°C
Note: 1. The input voltage limits on PFI and MR can be exceeded if the input current is less than 10mA.
These are stress ratings only and functional operation is not implied.

IMP708 Features

`Improved replacements for the Maxim MAX705/6/7/8, MAX813L
140µA maximum supply current
60% improvement
`Precision power supply monitor
4.65V threshold (IMP705/707/813L)
4.40V threshold (IMP706/8)
`Debounced manual reset input
`Voltage monitor
1.25V threshold
Battery monitor/Auxiliary supply monitor
`Watchdog timer (IMP705/706/813L)
`200ms reset pulse width
`Active HIGH reset output (IMP707/708/813L)
`MicroSO package

IMP708 Typical Application

·Computers and embedded controllers
·Battery-operated systems
·Intelligent instruments
·Wireless communication systems
·PDAs and handheld equipment

IMP708 Connection Diagram

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