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MAX1363 Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX1363
Description  4-Channel, 12-Bit System Monitors with Programmable Trip Window and SMBus Alert Response
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1363 Datasheet(HTML) 1 Page - Maxim Integrated Products

 
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General Description
The MAX1363/MAX1364 low-power, 12-bit, 4-channel
analog-to-digital converters (ADCs) feature a digitally
programmable window comparator with an interrupt out-
put for automatic system-monitoring applications. Once
configured, monitor mode automatically asserts an inter-
rupt when any analog input exceeds the programmed
upper or lower thresholds, without interaction to the
host. The MAX1363/MAX1364 respond to the SMBus™
alert, allowing quick identification of the alarming device
on a shared interrupt. A programmable delay between
monitoring intervals lowers power consumption for
reduced monitoring rates.
In addition, the MAX1363/MAX1364 integrate an inter-
nal voltage reference, a clock, and a 1.7MHz, high-
speed, I2C™-compatible, 2-wire serial interface. The
optimized interface allows a maximum conversion rate
of 94.4ksps in normal mode while reading back the
conversion results. Each of the four analog inputs is
configurable for single-ended or fully differential opera-
tion and unipolar or bipolar operation. Two scan modes
utilize on-chip random access memory (RAM) to allow
eight conversions of a selected channel or scanning of
a group of channels to reduce interface overhead.
These devices operate from a single 2.7V to 3.6V
(MAX1363) or 4.5V to 5.5V (MAX1364) supply and
require only 436µA at the maximum sampling rate of
133ksps in monitor mode and 670µA at the maximum
sampling rate of 94.4ksps. AutoShutdown™ powers
down the devices between conversions, reducing sup-
ply current to less than 1µA when idle.
The full-scale analog-input range is determined by the
internal reference or by an externally applied reference
voltage ranging from 1V to VDD. The MAX1363 features
a 2.048V internal reference, and the MAX1364 features
a 4.096V internal reference.
The MAX1363/MAX1364 are available in a 10-pin
µMAX® package and are specified over the extended
(-40°C to +85°C) temperature range. For 10-bit applica-
tions, refer to the pin-compatible MAX1361/MAX1362
data sheet.
Applications
System Monitoring/Supervision
Servers/Workstations
High-Reliability Power Supplies
Medical Instrumentation
Features
♦ Monitor Mode
Programmable Lower/Upper Trip Threshold
Alarm-Status Register Records Fault Events
SMBus Alert Response
Programmable Sampling Intervals
♦ 12-Bit, I2C-Compatible ADC
±1 LSB INL, ±1 LSB DNL
♦ 4-Channel Single-Ended or 2-Channel Fully
Differential Inputs
♦ Software-Programmable Bipolar/Unipolar
Conversions
♦ Fast Sampling Rate
94.4ksps While Continuously Reading
Conversions
133ksps in Monitor Mode
♦ High-Speed, I2C-Compatible Serial Interface
100kHz/400kHz Standard/Fast Mode
Up to 1.7MHz High-Speed Mode
Six Available I2C Slave Addresses
♦ Single Supply
2.7V to 3.6V (MAX1363)
4.5V to 5.5V (MAX1364)
♦ Internal Reference
2.048V (MAX1363)
4.096V (MAX1364)
♦ External Reference: 1V to VDD
♦ Low Power
436µA in Monitor Mode (133ksps)
670µA at 94.4ksps
6µA at 1ksps
0.5µA in Power-Down Mode
♦ Small Package
10-Pin µMAX
4-Channel, 12-Bit System Monitors with Programmable
Trip Window and SMBus Alert Response
________________________________________________________________ Maxim Integrated Products
1
Ordering Information/Selector Guide
19-3338; Rev 1; 3/05
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
I
2C SLAVE ADDRESS
SUPPLY VOLTAGE (V)
MAX1363EUB
-40°C to +85°C
10 µMAX
0110100/0110101
2.7 to 3.6
MAX1363LEUB*
-40°C to +85°C
10 µMAX
0110010/0110011
2.7 to 3.6
MAX1363MEUB
-40°C to +85°C
10 µMAX
0110110/0110111
2.7 to 3.6
SMBus is a trademark of Intel Corporation.
I
2C is a trademark of Philips Corporation. Purchase of I2C compo-
nents from Maxim Integrated Products, Inc. or one of its subli-
censed Associated Companies, conveys a license under the
Philips I
2C Patent Rights to use these components in an I2C sys-
tem, provided that the system conforms to the I
2C Standard
Specification as defined by Philips.
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Typical Operating Circuit and Pin Configuration appear at
end of data sheet.
Ordering Information/Selector Guide continued at end of data sheet.
*Future product—contact factory for availability.


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