参数资料
型号: MAX1805MEE+T
厂商: Maxim Integrated
文件页数: 12/17页
文件大小: 497K
描述: IC TEMP SENSOR REMOTE 16-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 温度计,恒温计
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: ±3.5°C 本地(最大),±5°C 远程(最大)
拓扑: ADC,比较器,多路复用器,寄存器库
输出类型: I²C?/SMBus?
输出警报:
输出风扇:
电源电压: 3 V ~ 5.5 V
工作温度: -55°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 带卷 (TR)
level sensitive). Successful reading of the alert
response address clears the interrupt latch.
Command Byte Functions
The 8-bit command byte register (Table 4) is the master
index that points to the various other registers within the
MAX1668/MAX1805/MAX1989. The registers POR
state is 0000 0000, so that a receive byte transmission
(a protocol that lacks the command byte) that occurs
immediately after POR returns the current local temper-
ature data.
Multichannel Remote/Local
Temperature Sensors
12   ______________________________________________________________________________________
Table 4. Command Byte Bit Assignments for MAX1668/MAX1805/MAX1989
*If the device is in hardware standby mode at POR, all temperature registers read 0?/SPAN>C.
**Not available for MAX1805.
REGISTER
COMMAND
POR STATE
FUNCTION
RIT
00h
 0000 0000*
Read local temperature
RET1
01h
 0000 0000*
Read remote DX1 temperature
RET2
02h
 0000 0000*
Read remote DX2 temperature
RET3**
03h
 0000 0000*
Read remote DX3 temperature
RET4**
04h
 0000 0000*
Read remote DX4 temperature
RS1
05h
0000 0000
Read status byte 1
RS2
06h
0000 0000
Read status byte 2
RC
07h
0000 0000
Read Configuration Byte
RIHL
08h
0111 1111
Read local T
HIGH
 limit
RILL
09h
1100 1001
Read local T
LOW
 limit
REHL1
0Ah
0111 1111
(0110 1110)
Read remote DX1 T
HIGH
 limit (MAX1989)
RELL1
0Bh
1100 1001
Read remote DX1 T
LOW
 limit
REHL2
0Ch
0111 1111
Read remote DX2 T
HIGH
 limit
RELL2
0Dh
1100 1001
Read remote DX2 T
LOW
 limit
REHL3**
0Eh
0111 1111
Read remote DX3 T
HIGH
 limit
RELL3**
0Fh
1100 1001
Read remote DX3 T
LOW
 limit
REHL4**
10h
0111 1111
Read remote DX4 T
HIGH
 limit
RELL4**
11h
1100 1001
Read remote DX4 T
LOW
 limit
WC
12h
N/A
Write configuration byte
WIHL
13h
N/A
Write local T
HIGH
 limit
WILL
14h
N/A
Write local T
LOW
 limit
WEHI1
15h
N/A
Write remote DX1 T
HIGH
 limit
WELL1
16h
N/A
Write remote DX1 T
LOW
 limit
WEHI2
17h
N/A
Write remote DX2 T
HIGH
 limit
WELL2
18h
N/A
Write remote DX2 T
LOW
 limit
WEHI3**
19h
N/A
Write remote DX3 T
HIGH
 limit
WELL3**
1Ah
N/A
Write remote DX3 T
LOW
 limit
WEHI4**
1Bh
N/A
Write remote DX4 T
HIGH
 limit
WELL4**
1Ch
N/A
Write remote DX4 T
LOW
 limit
MFG ID
FEh
0100 1101
Read manufacture ID
DEV ID
FFh
0000 0011 (0000 0101)
[0000 1011]
Read device ID (for MAX1805) [for MAX1989]
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