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| 型号： | MIC384-3YMM TR |
| 厂商： | Micrel Inc |
| 文件页数： | 6/22页 |
| 文件大小： | 510K |
| 描述： | IC SUPERVISR THERM LOC/REM 8MSOP |
| 标准包装： | 2,500 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部和外部 |
| 感应温度： | -55°C ~ 125°C，外部传感器 |
| 精确度： | ±2°C 本地（最大），±3°C 远程（最大） |
| 拓扑： | ADC（三角积分型），寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 无 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC384-3YMMTR MIC384-3YMMTR-ND |
MIC384
Micrel
MIC384
6
September 2005
Functional Description
Pin Descriptions
VDD: Power supply input. See electrical specica-
tions.
GND: Ground return for all MIC384 functions.
CLK: Clock input to the MIC384 from the two-wire serial
bus. The clock signal is provided by the host, and is
shared by all devices on the bus.
DATA: Serial data I/O pin that connects to the two-wire
serial bus. DATA is bi-directional and has an open-drain
output driver. An external pull-up resistor or current
source somewhere in the system is necessary on this
line. This line is shared by all devices on the bus.
A0: This inputs sets the least signicant bit of the MIC384s
7-bit slave address. The six most-signicant bits are xed and
are determined by the part number ordered. (See ordering
information table above.) Each MIC384 will only respond to
its own unique slave address, allowing up to eight MIC384s to
share a single bus. A match between the MIC384s address
and the address specied in the serial bit stream must be
made to initiate communication. A0 should be tied directly
to VDD or ground. See "Temperature Measurement and
Functional Diagram
3:1
MUX
8-Bit Sigma-Delta ADC
1-Bit
DAC
A0
T2
ATA
VDD
MIC384
CLK
/INT
2-Wire
Serial Bus
Interface
Temperature
Hysteresis
Registers
State
Machine
and
Digital
Comparator
Digital Filter
and
Control
Logic
Open-Drain
Output
Configuration
Register
Bandgap
Sensor
and
Reference
Result
Registers
Temperature
Setpoint
Registers
T1
N
Pointer
Register
Power On" for more information. A0 determines the slave
address as shown in Table 1:
r
e
b
m
u
N
t
r
a
P
s
t
u
p
n
I
s
s
e
r
d
d
A
e
v
a
l
S
4
8
3
C
I
M
0
A
y
r
a
n
i
B
x
e
H
0
-
4
8
3
C
I
M
0
0
0
0
1
0
0
1
b
8
4
h
1
1
0
0
1
0
0
1
b
9
4
h
1
-
4
8
3
C
I
M
0
0
1
0
1
0
0
1
b
A
4
h
1
1
1
0
1
0
0
1
b
B
4
h
2
-
4
8
3
C
I
M
0
0
0
1
1
0
0
1
b
C
4
h
1
1
0
1
1
0
0
1
b
D
4
h
3
-
4
8
3
C
I
M
0
0
1
1
1
0
0
1
b
E
4
h
1
1
1
1
1
0
0
1
b
F
4
h
Table 1. MIC384 Slave Address Settings
/INT: Temperature events are indicated to external circuitry
via this output. Operation of the /INT output is controlled by
the MODE and IM bits in the MIC384s conguration register.
See "Comparator and Interrupt Modes" below. This output
is open-drain and may be wire-ORed with other open-drain
signals. Most systems will require a pull-up resistor or current
source on this pin. If the IM bit in the conguration register
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