SP810 Sipex Corporation, SP810 Datasheet

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SP810

Manufacturer Part Number
SP810
Description
(SP809 / SP810) 3 Pin Microprocessor Supervisor Circuit
Manufacturer
Sipex Corporation
Datasheet

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The SP809/SP810 are low power microprocessor (µP) supervisory circuits used to monitor
power supplies in µP and digital systems. They provide applications with benefits of circuit
reliability and low cost by eliminating external components. If the V
preset threshold then a reset signal is asserted for at least 140ms after V
reset threshold. Both the SP809 and SP810 were designed with a reset comparator to help
identify invalid signals, which last less than 140ms. The only difference between them is that they
have an active-low RESET output and active-high RESET output, respectively. Low supply
current (1µA) makes SP809/SP810 ideal for portable equipment. The devices are available in
3 pin SOT-23 package.
FEATURES
■ Ultra Low Supply Current 1µA (typ.)
■ Guaranteed Reset valid to V
■ 140 ms Min. Power-On Reset Pulse Width
■ Internally Fixed Threshold 2.3V, 2.6V, 2.9V,
■ Tight Voltage Threshold Tolerance: 1.5%
■ Offered in a 3 Pin SOT-23 Package
Date: 5/02/06 Rev B
3.1V, 4.0V, 4.4V, 4.6V
P
a
S
t r
S
S
P
P
P
N
8
8
8
u
0
0
1
m
9
9
0
N
b
r e
3 Pin Microprocessor Supervisor Circuit
O
SP809/810, 3 Pin Microprocessor Supervisor Circuit
V CC
P
P
p
u
u
e
s
s
- n
h
h
O
P -
P -
D
u
a r
p t
l l u
l l u
CC
n i
t u
A
A
A
= 0.9V
c
c
T
c
v i t
v i t
y
V CC
(RESET)
v i t
GND
p
e
RESET
e
e
e
H
L
L
o
g i
o
w
Push-Pull output
h
w
1
Now Available in Lead Free Packaging
RESET
APPLICATIONS
■ Portable Electronic Devices
■ Electrical Power Meter
■ Digital Still Camera
■ µP Power Monitoring
V CC
GND
TYPICAL APPLICATION CIRCUIT
µP
SP809 / SP810
CC
GND
supply voltage falls below
3 Pin SOT-23
SP809
CC
© Copyright 2006 Sipex Corporation
V
CC
has risen above the
RESET
DESCRIPTION

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SP810 Summary of contents

Page 1

... If the V preset threshold then a reset signal is asserted for at least 140ms after V reset threshold. Both the SP809 and SP810 were designed with a reset comparator to help identify invalid signals, which last less than 140ms. The only difference between them is that they have an active-low RESET output and active-high RESET output, respectively. Low supply current (1µ ...

Page 2

... © Copyright 2006 Sipex Corporation º º º º º º º º ...

Page 3

... Note 1. Specifications are production tested at T temperature range are assured by design, characterization and correlation with Statistical Quality Controls Note 2. RESET output is for SP809; RESET output is for SP810 Bandgap R2 GND N-ch Open-Drain Type Bandgap R2 GND Push-Pull Type Date: 5/02/06 Rev B SP809/810, 3 Pin Microprocessor Supervisor Circuit ELECTRICAL CHARACTERISTICS ° ...

Page 4

... 50mV V = 100mV 200mV OD -40 - Temperature (° 4. 50mV 100mV 200mV OD -40 - Temperature (ºC) - Temperature (°C) © Copyright 2006 Sipex Corporation 100 100 100 ...

Page 5

... PIN DESCRIPTION DETAILED DESCRIPTION APPLICATION INFORMATION µ P with Bidirectional © Copyright 2006 Sipex Corporation ...

Page 6

... JL Oct25-05 / Rev A 6 PACKAGE: 3 PIN SOT-23 SIDE VIEW A2 A Seating A1 Plane c Conversion Factor: 1 Inch = 25.40 mm NOM MAX - 0.020 - 0.008 0.114 0.120 - 0.104 0.051 0.055 0.038 BSC 0.075 BSC 0.020 0.024 0.021 REF 0.010 BSC - 8º - 0.044 - 0.004 0.037 0.040 © Copyright 2006 Sipex Corporation ...

Page 7

... FAX: (408) 935-7600 Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others. ...

Page 8

... SP810EK-3-1 ......................... G5WW..................-40°C to 85°C .......................... 3 Pin SOT-23 SP810EK-3-1/TR ................... G5WW..................-40°C to 85°C .......................... 3 Pin SOT-23 SP810EK-4-0 ......................... H5WW..................-40°C to 85°C .......................... 3 Pin SOT-23 SP810EK-4-0/TR ................... H5WW..................-40°C to 85°C .......................... 3 Pin SOT-23 SP810EK-4-4 ......................... J5WW..................-40°C to 85°C .......................... 3 Pin SOT-23 SP810EK-4-4/TR ................... J5WW..................-40°C to 85°C .......................... 3 Pin SOT-23 SP810EK-4-6 ......................... K5WW..................-40° ...

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