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PDF MAX9645 Data sheet ( Hoja de datos )
| Número de pieza | MAX9645 | |
| Descripción | (MAX9644 - MAX9646) Low-Power Comparators | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX9645 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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19-5803; Rev 1; 10/11
EVAALVUAAILTAIOBNLEKIT
Low-Power Comparators with Precision
Reference in 4-Bump UCSP
General Description
The MAX9644/MAX9645/MAX9646 are small, single com-
parators, ideal for a wide variety of portable electronics
applications such as cell phones, media players, and
notebooks that have extremely tight board space and
power constraints. These comparators are offered in both
a miniature 4-bump UCSP™ package with a 1mm x 1mm
footprint (as small as two 0402 resistors) and a
5-pin SOT23 package.
The ICs feature an input voltage range of -0.3V to
+5.5V, independent of supply voltage. These devices
maintain high impedance at the inputs even when pow-
ered down (VCC or VREF = 0V). They also feature inter-
nal filtering to provide high RF immunity.
The ICs have an internal 0.2V reference. These devices
feature either a push-pull or an open-drain output. They
consume only 700nA (max) supply current and operate
down to VCC = 1V over the extended -40°C to +85°C tem-
perature range.
Applications
Cell Phones
Portable Media Players
Electronic Toys
Notebook Computers
Portable Medical Devices
Features
o Tiny, 1mm x 1mm x 0.6mm 4-Bump UCSP
Footprint = Two 0402 Resistors
Also Available in a 5-Pin SOT23 Package
o Ultra-Low Operating Current (700nA max)
o -0.3V to +5.5V Input Voltage Range
o Internal 0.2V Reference Trimmed to 1% Accuracy
o 15µs Propagation Delay
o -40°C to +85°C Extended Temperature Range
Ordering Information
PART
PIN-PACKAGE
TOP MARK
MAX9644EBS+G45 4 UCSP
+AGL
MAX9644EUK+
5 SOT23
+AFJN
MAX9645EBS+G45 4 UCSP
+AGM
MAX9645EUK+
5 SOT23
+AFJO
MAX9646EBS+G45 4 UCSP
+AGN
MAX9646EUK+
5 SOT23
+AFJP
Note: All devices are specified over the extended -40°C to
+85°C operating temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
G45 = Protective die coating.
MAX9644
MAX9645
MAX9646
PART
REFERENCE VOLTAGE (V)
0.2
0.2
0.2
INPUT
Noninverting
Inverting
Noninverting
Selector Guide
OUTPUT
Open drain
Open drain
Push-pull
UCSP is a trademark of Maxim Integrated Products, Inc.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
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Low-Power Comparators with Precision
Reference in 4-Bump UCSP
Typical Operating Characteristics (continued)
(VCC = 3.3V, VREF = 1.8V, RPULLUP = 10kΩ to VPULLUP = 3.3V for MAX9644/MAX9645, GND = 0, TA = +25°C, unless otherwise noted.)
PROPAGATION DELAY AT VCC = 3.3V
MAX9644 toc10
0.3V
IN+
100mV/div
0.1V
OUT
2V/div
0V
100µs/div
POWER-UP/POWER-DOWN RESPONSE
MAX9644 toc12
VIN = 0.3V
VCC = 3.3V
VCC
2V/div
0V
OUT
2V/div
0V
1ms/div
202.0
201.9
201.8
201.7
201.6
201.5
201.4
201.3
201.2
201.1
201.0
-40
REFERENCE VOLTAGE
vs. TEMPERATURE
VCC = 3.3V
-15 10 35 60
85
OUTPUT RESPONSE TO
SUPPLY VOLTAGE TRANSIENT
MAX9644 toc13
3.2V VCC
200mV/div
3V VIN = VTH + 1mV
OUT
2V/div
0V
VIN = VTH + 10mV
OUT
2V/div
0V
VIN = VTH + 20mV
OUT
2V/div
0V
1ms/div
POWER-SUPPLY REJECTION
FOR NO FALSE TRIGGERING
206
204
202 UPPER TRIP POINT
200
LOWER TRIP POINT
198
196
194
10
VCC = 3.3V + 100mVP-P
100 1k 10k 100k
FREQUENCY (Hz)
1M
_______________________________________________________________________________________ 5
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
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Low-Power Comparators with Precision
Reference in 4-Bump UCSP
REVISION
NUMBER
0
1
REVISION
DATE
3/11
10/11
Initial release
Updated Features section
DESCRIPTION
Revision History
PAGES
CHANGED
—
1
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11
© 2011 Maxim Integrated Products
Maxim is a registered trademark of Maxim Integrated Products, Inc.
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet MAX9645.PDF ] | |
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