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MAX9117 Datasheet

  • MAX9117

  • "SC70, 1.8V, Nanopower, Beyond-the-Rails Comparator With Ref...

  • Maxim   Maxim

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19-1862; Rev 2; 8/02
SC70, 1.8V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
General Description
The MAX9117鈥揗AX9120 nanopower comparators in
space-saving SC70 packages feature Beyond-the-
Rails鈩?inputs and are guaranteed to operate down to
+1.8V. The MAX9117/MAX9118 feature an on-board
1.252V 鹵1.75% reference and draw an ultra-low supply
current of only 600nA, while the MAX9119/MAX9120
(without reference) require just 350nA of supply current.
These features make the MAX9117鈥揗AX9120 family of
comparators ideal for all 2-cell battery-monitoring/man-
agement applications.
The unique design of the output stage limits supply-cur-
rent surges while switching, virtually eliminating the sup-
ply glitches typical of many other comparators. This
design also minimizes overall power consumption under
dynamic conditions. The MAX9117/MAX9119 have a
push-pull output stage that sinks and sources current.
Large internal-output drivers allow Rail-to-Rail
廬
output
swing with loads up to 5mA. The MAX9118/MAX9120
have an open-drain output stage that makes them suit-
able for mixed-voltage system design. All devices are
available in the ultra-small 5-pin SC70 package.
Features
o
Space-Saving SC70 Package (Half the Size of
SOT23)
o
Ultra-Low Supply Current
350nA Per Comparator (MAX9119/MAX9120)
600nA Per Comparator with Reference
(MAX9117/MAX9118)
o
Guaranteed to Operate Down to +1.8V
o
Internal 1.252V 鹵1.75% Reference
(MAX9117/MAX9118)
o
Input Voltage Range Extends 200mV
Beyond-the-Rails
o
CMOS Push-Pull Output with 鹵5mA Drive
Capability (MAX9117/MAX9119)
o
Open-Drain Output Versions Available
(MAX9118/MAX9120)
o
Crowbar-Current-Free Switching
o
Internal Hysteresis for Clean Switching
o
No Phase Reversal for Overdriven Inputs
MAX9117鈥揗AX9120
Applications
2-Cell Battery Monitoring/Management
Ultra-Low-Power Systems
Mobile Communications
Notebooks and PDAs
Threshold Detectors/Discriminators
Sensing at Ground or Supply Line
Telemetry and Remote Systems
Medical Instruments
Ordering Information
PART
MAX9117EXK-T
MAX9118EXK-T
MAX9119EXK-T
MAX9120EXK-T
TEMP
RANGE
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
PIN-
PACKAGE
5 SC70-5
5 SC70-5
5 SC70-5
5 SC70-5
TOP
MARK
ABW
ABX
ABY
ABZ
Selector Guide
PART
MAX9117
MAX9118
MAX9119
MAX9120
INTERNAL
REFERENCE
Yes
Yes
No
No
OUTPUT
TYPE
Push-Pull
Open-Drain
Push-Pull
Open-Drain
SUPPLY
CURRENT
(nA)
600
600
350
350
IN+
3
V
EE
2
Pin Configurations
TOP VIEW
OUT
1
5
V
CC
MAX9117
MAX9118
MAX9119
MAX9120
4
IN- (REF)
Typical Application Circuit appears at end of data sheet.
Beyond-the-Rails is a trademark of Maxim Integrated Products, Inc.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
SC70
( ) ARE FOR MAX9117/MAX9118.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.

MAX9117 PDF文件相關(guān)型號

MAX9117EXK-T,MAX9118,MAX9118EXK-T,MAX9119,MAX9119EXK,MAX9119EXK-T,MAX9120,MAX9120EXK-T

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