|
|
PDF ADM1024 Data sheet ( Hoja de datos )
| Número de pieza | ADM1024 | |
| Descripción | System Hardware Monitor | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de ADM1024 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
|
No Preview Available !
ADM1024
System Hardware Monitor
with Remote Diode Thermal
Sensing
The ADM1024 is a complete system hardware monitor for
microprocessor-based systems, providing measurement and limit
comparison of various system parameters. Eight measurement inputs
are provided; three are dedicated to monitoring 5.0 V and 12 V power
supplies and the processor core voltage. The ADM1024 can monitor a
fourth power supply voltage by measuring its own VCC. One input
(two pins) is dedicated to a remote temperature-sensing diode. Two
more pins can be configured as inputs to monitor a 2.5 V supply and a
second processor core voltage, or as a second temperature-sensing
input. The remaining two inputs can be programmed as general
purpose analog inputs or as digital fan speed measuring inputs.
Measured values can be read out via a serial System Management Bus
and values for limit comparisons can be programmed in over the same
serial bus. The high speed successive approximation ADC allows
frequent sampling of all analog channels to ensure a fast interrupt
response to any out-of-limit measurement.
The ADM1024’s 2.8 V to 5.5 V supply voltage range, low supply
current, and SMBus interface make it ideal for a wide range of
applications. These include hardware monitoring and protection
applications in personal computers, electronic test equipment, and office
electronics.
Features
• Up to Nine Measurement Channels
• Inputs Programmable-to-Measure Analog Voltage,
Fan Speed or External Temperature
• External Temperature Measurement with Remote Diode
(Two Channels)
• On-chip Temperature Sensor
• Five Digital Inputs for VID Bits
• LDCM Support
• System Management Bus (SMBus)
• Chassis Intrusion Detect
• Interrupt and Overtemperature Outputs
• Programmable RESET Input Pin
• Shutdown Mode to Minimize Power Consumption
• Limit Comparison of All Monitored Values
• This is a Pb-Free Device*
Applications
• Network Servers and Personal Computers
• Microprocessor-Based Office Equipment
• Test Equipment and Measuring Instruments
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2016
January, 2016 − Rev. 5
1
www.onsemi.com
TSSOP−24
CASE 948H
PIN ASSIGNMENT
NTEST_OUT/ADD
THERM
SDA
SCL
FAN1/AIN1
FAN2/AIN2
CI
GND
VCC
INT
NTEST_IN/AOUT
RESET
1
2
3
4
5
6
7
8
9
10
11
12
24 VID0/IRQ0
23 VID1/IRQ1
22 VID2/IRQ2
21 VID3/IRQ3
20 VID4/IRQ4
19 +VCCP1
18 +2.5VIN/D2+
17 VCCP2/D2−
16 +5.0VIN
15 +12VIN
14 D1+
13 D1−
AD1024
(Top View)
MARKING DIAGRAM
ADM
1024
ARUZ
1
Top Marking
#YYWW
ZZZZZZZZZ
CCCCCCCCCCC
Bottom Marking
YY = Year
WW = Work Week
ZZZZ = Assembly Lot Number
CCCC = Country of Origin
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 29 of this data sheet.
Publication Order Number:
ADM1024/D
1 page  
ADM1024
Table 4. ELECTRICAL CHARACTERISTICS (TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted. (Note 1 and 2))
Parameter
Test Conditions/Comments
Min Typ Max Unit
OPEN-DRAIN SERIAL DATABUS OUTPUT (SDA)
Output Low Voltage, VOL
High Level Output Leakage Current, IOH
SERIAL BUS DIGITAL INPUTS (SCL, SDA)
IOUT = −3.0 mA, VCC = 2.85 V −3.60 V
−
− 0.4 V
VOUT = VCC
− 0.1 100 mA
Input High Voltage, VIH
Input Low Voltage, VIL
Hysteresis
Glitch Immunity
DIGITAL INPUT LOGIC LEVELS (ADD, CI, RESET, VID0−VID4, FAN1, FAN2) (Note 7)
2.2 −
−V
− − 0.8 V
− 500 − mV
− 100 − ns
Input High Voltage, VIH
Input Low Voltage, VIL
NTEST_IN
VCC = 2.85 V − 5.5 V
VCC = 2.85 V − 5.5 V
2.2 −
−V
− − 0.8 V
Input High Current, IIH
DIGITAL INPUT CURRENT
VCC = 2.85 V − 5.5 V
2.2 −
−V
Input High Current, IIH
Input Low Current, IIL
Input Capacitance, CIN
SERIAL BUS TIMING (Note 8)
VIN = VCC
VIN = 0
–1.0 −
−−
− 20
− mA
1.0 mA
− pF
Clock Frequency, fSCLK
See Figure 2
− − 400 kHz
Glitch Immunity, tSW
See Figure 2
− − 50 ns
Bus Free Time, tBUF
See Figure 2
1.3 −
− ms
Start Setup Time, tSU; STA
See Figure 2
600 −
− ns
Start Hold Time, tHD; STA
See Figure 2
600 −
− ns
SCL Low Time, tLOW
See Figure 2
1.3 −
− ms
SCL High Time, tHIGH
See Figure 2
0.6 −
− ms
SCL, SDA Rise Time, tr
See Figure 2
− − 300 ns
SCL, SDA Fall Time, tf
See Figure 2
− − 300 ms
Data Setup Time, tSU; DAT
See Figure 2
100 −
− ns
Data Hold Time, tHD; DAT
See Figure 2
− − 900 ns
1. All voltages are measured with respect to GND, unless otherwise specified.
2. Typicals are at TA = 25°C and represent the most likely parametric norm. Shutdown current typ is measured with VCC = 3.3V.
3. TUE (Total Unadjusted Error) includes Offset, Gain, and Linearity errors of the ADC, multiplexer, and on-chip input attenuators, including
an external series input protection resistor value between 0 kW and 1 kW.
4. Total monitoring cycle time is nominally m × 755 ms + n × 33244 ms, where m is the number of channels configured as analog inputs, plus 2
for the internal VCC measurement and internal temperature sensor, and n is the number of channels configured as external temperature
channels (D1 and D2).
5. The total fan count is based on two pulses per revolution of the fan tachometer output.
6. Open−drain digital outputs may have an external pullup resistor connected to a voltage lower or higher than VCC (up to 6.5 V absolute maximum).
7. All logic inputs except ADD are tolerant of 5.0 V logic levels, even if VCC is less than 5.0 V. ADD is a three-state input that may be connected
to VCC, GND, or left open−circuit.
8. Timing specifications are tested at logic levels of VIL = 0.8 V for a falling edge and VIH = 2.2 V for a rising edge.
tR
tLOW
tF
tHD:STA
SCL
tHD:STA
tHD:DAT
tHIGH
tSU:DAT
tSU:STA
tSU:STO
SDA
tBUF
PS
S
Figure 2. Serial Bus Timing Diagram
P
www.onsemi.com
5
5 Page 
ADM1024
Pins 13 and 14 are dedicated to temperature measurement,
while Pins 15, 16, and 19 are dedicated analog input channels.
Their function is unaffected by the Channel Mode Register.
Pins 5 and 6 can be individually programmed as analog
inputs, or as digital fan speed measurement inputs, by
programming Bits 0 and 1 of the Channel Mode Register.
Bit 3 of the Channel Mode Register configures the internal
VCC measurement range for either 3.3 V or 5.0 V.
Bits 4 to 6 of the Channel Mode Register enable or disable
Pins 22 to 24 when they are configured as interrupt inputs by
setting Bit 7 of the Channel Mode Register. This function is
controlled for Pins 20 and 21 by Bits 6 and 7 of Configuration
Register 2.
Pins 17 and 18 can be configured as analog inputs or as inputs
for external temperature-sensing diodes by programming Bit 2
of the Channel Mode Register.
A truth table for the Channel Mode Register is given in
Table 6.
Table 6. CHANNEL MODE REGISTER (Note 1)
Channel
Mode
Register Bit
Controls
Pin(s)
Function
0 5 0 = FAN1, 1 = AIN1
1 6 0 = FAN2, 1 = AIN2
2
17, 18
0 = 2.5 V, VCCP2, 1 = D2–, D2+
3 Int. VCC 0 = 3.3 V, 1 = 5.0 V
Meas.
4 24 0 = VID0, 1 = IRQ0
5 23 0 = VID1, 1 = IRQ1
6 22 0 = VID2, 1 = IRQ2
7 20–24 0 = VID0 to VID4,
1 = Interrupt Inputs
1. Power-on Default = 0000 0000
Table 7. A/D OUTPUT CODE VS. VIN
Input Voltage
+12 VIN
+5.0 VIN
VCC (3.3 V) VCC (5.0 V)
<0.062
<0.026
<0.0172
<0.026
0.062–0.125
0.026–0.052 0.017–0.034 0.026–0.052
0.125–0.188
0.052–0.078 0.034–0.052 0.052–0.078
0.188–0.250
0.078–0.104 0.052–0.069 0.078–0.104
0.250–0.313
0.104–0.130 0.069–0.086 0.104–0.130
0.313–0.375
0.130–0.156 0.086–0.103 0.130–0.156
0.375–0.438
0.156–0.182 0.103–0.120 0.156–0.182
0.438–0.500
0.182–0.208 0.120–0.138 0.182–0.208
0.500–0.563
0.208–0.234 0.138–0.155 0.208–0.234
4.000–4.063
1.666–1.692 1.100–1.117 1.666–1.692
8.000–8.063
3.330–3.560 2.200–2.217 3.330–3.560
12.000–12.063 5.000–5.026 3.300–3.317 5.000–5.026
15.312–15.375
15.375–15.437
15.437–15.500
15.500–15.563
15.563–15.625
15.625–15.688
15.688–15.750
15.750–15.812
15.812–15.875
6.380–6.406
6.406–6.432
6.432–6.458
6.458–6.484
6.484–6.510
6.510–6.536
6.536–6.562
6.562–6.588
6.588–6.615
4.210–4.230
4.230–4.245
4.245–4.263
4.263–4.280
4.280–4.300
4.300–4.314
4.314–4.331
4.331–4.348
4.348–4.366
6.380–6.406
6.406–6.432
6.432–6.458
6.458–6.484
6.484–6.510
6.510–6.536
6.536–6.562
6.562–6.588
6.588–6.615
+2.5 VIN
<0.013
0.013–0.026
0.026–0.039
0.039–0.052
0.052–0.065
0.065–0.078
0.078–0.091
0.091–0.104
0.104–0.117
−
−
−
0.833–0.846
−
−
−
1.667–1.680
−
−
−
2.500–2.513
−
−
−
3.190–3.203
3.203–3.216
3.216–3.229
3.229–3.242
3.242–3.255
3.255–3.268
3.268–3.281
3.281–3.294
3.294–3.307
+VCCP 1/2
<0.014
0.014–0.028
0.028–0.042
0.042–0.056
0.056–0.070
0.070–0.084
0.084–0.098
0.098–0.112
0.112–0.126
0.900–0.914
1.800–1.814
2.700–2.714
3.445–3.459
3.459–3.473
3.473–3.487
3.487–3.501
3.501–3.515
3.515–3.529
3.529–3.543
3.543–3.558
3.558–3.572
AIN (1/2)
<0.010
0.010–0.019
0.019–0.029
0.029–0.039
0.039–0.049
0.049–0.058
0.058–0.068
0.068–0.078
0.078–0.087
0.625–0.635
1.250–1.260
1.875–1.885
2.392–2.402
2.402–2.412
2.412–2.422
2.422–2.431
2.431–2.441
2.441–2.451
2.451–2.460
2.460–2.470
2.470–2.480
A/D Output
Decimal
Binary
0 00000000
1 00000001
2 00000010
3 00000011
4 00000100
5 00000101
6 00000110
7 00000111
8 00001000
64
(1/4−Scale)
01000000
128
(1/2−Scale)
10000000
192
(3/4−Scale)
11000000
245 11110101
246 11110110
247 11110111
248 11111000
249 11111001
250 11111010
251 11111011
252 11111100
253 11111101
www.onsemi.com
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ADM1024.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| ADM1020 | 8-Lead/ Low-Cost/ System Temperature Monitor |  Analog Devices |
| ADM1021 | Low Cost Microprocessor System Temperature Monitor | Analog Devices |
| ADM1021A | Low Cost Microprocessor System Temperature Monitor Microcomputer | ON Semiconductor |
| ADM1021A | System Temperature Monitor Microcomputer | Analog Devices |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |