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参数资料
| 型号： | ADM1034ARQZ-REEL |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封装： | LEAD FREE, MO-137AB, QSOP-16 |
| 文件页数： | 38/40页 |
| 文件大小： | 1318K |
| 代理商： | ADM1034ARQZ-REEL |
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ADM1034
Rev. 0 | Page 7 of 40
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
TACH1
DRIVE2
TACH2
THERM
VCC
GND
DRIVE1
SDA
ALERT
LOCATION
D1+
FAN_FAULT/REF
D1–
D2–
D2+
SCL
TOP VIEW
(Not to Scale)
ADM1034
04918-0-003
Figure 3. Pin Configuration
Table 3. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
DRIVE1
DRIVE1 Pin Drives Fan 1. Open-drain output. Requires a pull-up resistor.
2
TACH1
Fan 1 Fan Speed Measurement Input. Connects to the fan’s TACH output to measure the fan speed.
3
DRIVE2
DRIVE2 Pin Drives Fan 2. Open-drain output. Requires a pull-up resistor.
4
TACH2
Fan 2 Fan Speed Measurement Input. Connects to the fan’s TACH output to measure the fan speed.
5
GND
Ground for Analog and Digital Circuitry.
6
VCC
Power. Can be powered by 3.3 V standby power if monitoring in low power states is required.
7
THERM
Can be configured as an overtemperature interrupt output, or as an input (to monitor PROCHOT output of
an INTEL CPU). A timer measures assertion times on the THERM pin (either input or output).
8
FAN_FAULT/REF
FAN_FAULT: Open-Drain Output. Asserted low when one or both fans stall. Requires a pull-up resistor to VCC.
REF: Analog Input Reference for the THERM Input.
9
D1
Cathode Connection for the First Thermal Diode or Diode-Connected Transistor.
10
D1+
Anode Connection for the First Thermal Diode or Diode-Connected Transistor.
11
D2
Cathode Connection for the Second Thermal Diode or Diode-Connected Transistor.
12
D2+
Anode Connection for the Second Thermal Diode or Diode-Connected Transistor.
13
LOCATION
8-Level Analog Input. Used to determine the correct SMBus version and the SMBus address (in
fixed-and-discoverable mode) and to set the LLL bits in the UDID (in ARP-capable mode).
14
ALERT
Open-Drain Output. SMBusALERT pin. Alerts the system in the case of out-of-limit events, such as over
temperature. Can be configured as sticky SMBus mode or comparator mode.
15
SDA
Serial Bus Bidirectional Data. Connects to the SMBus master’s data line. Requires pull-up resistor if not
provided elsewhere in the system.
16
SCL
Serial SMBus Clock Input. Connects to the SMBus master’s clock line. Requires pull-up resistor if not already
provided in the system.
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