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ADM1040 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADM1040
Beschreibung Power Supply Monitor ASIC
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 1 Seiten
ADM1040 Datasheet, Funktion
PRELIMINARY TECHNICAL DATA
=
Preliminary Technical Data
Power Supply Monitor ASIC
ADM1040
FEATURES
Monitors Multiple Voltage Rails (240VA Lim-
ited)
Monitors Bulk DC, Op-Amp Supply, 5V Supply
Monitors Voltage Rails 1,2 and 3 Currents
Up to 3 Fan Speed Measurement Channels
Up to 6 General-Purpose Logic Inputs
External Temperature Measurement with Remote
Diode (Two Channels)
On-Chip Temperature Sensor
Limit Comparison of all Monitored Values
Analog Fan Speed Control Output
SMBusTM Compatible Serial Interface
SMBus ALERT Capability
512 Bytes On-Chip, Write-Protected E2PROM
Shutdown Output for Overtemperature and
240VA Faults
APPLICATIONS
Network Servers and Personal Computers
Microprocessor-Based Office Equipment
Test Equipment and Measuring Instruments
GPI0 4
FUNCTIONAL BLOCK DIAGRAM
SDA SCL A1 A0/NTEST_OUT
2 3 22 23
FROM NAND
TREE OUTPUT
GP IO
REGISTERS
SE RIAL
BUS
INTE RFACE
FAN1/GPI1 5
VD D
VDD/5VSB 7
GPI2/I2_+ 9
GPI3/I2_-/AIN2 10
GPI4/I3_+ 11
GPI5/I3_- 12
D1-/GPI2 13
D1+/GPI3 14
D2-/GPI4/FAN2 15
D2+/GPI5/FAN3 16
I1_+ 17
I1_-/AIN1 18
AIN3 19
AIN4 20
AIN5 21
BANDGAP
TE MP .
SENS OR
FAN
S PEE D
CO UNTE R
INPUT
S IG NAL
CONDITIONING
AND
ANALOG
MUL T IPL EX ER
ADDRES S
POINTER
REGISTER
8K BYTES
E 2PRO M
T EM PERAT URE
CONFIGURATION
REGISTER
ADM1040
8-BIT
ADC
BANDGAP
RE FE RENCE
6
GND
VALUE AND
LIMIT
REG IS TE RS
LIMIT
COM PARAT O RS
INTERRU PT
STATUS
REGISTERS
INT MASK
REG IS TE RS
INT ERRUP T
MAS KING
CONFIGURATION
RE GI ST ERS
ANALOG
OUTPUT REGISTER
AND 8-BIT DAC
1 ALERT
24 SHDN
TO NAND
TRE E
ENABLE
8 DAC/NTEST_IN
REV. PrG 01/'01
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
SMBus is a trademark
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
© Analog Devices, Inc., 2001





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