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参数资料
| 型号： | MAX1299CEAE+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 17/20页 |
| 文件大小： | 299K |
| 描述： | IC TEMP SENS W/ADC 16-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 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： | -40°C ~ 85°C，外部传感器 |
| 精确度： | ±4°C（最小值） |
| 拓扑： | ADC，多路复用器，寄存器库 |
| 输出类型： | MICROWIRE?，QSPI?，SPI? |
| 输出警报： | 无 |
| 输出风扇： | 无 |
| 电源电压： | 2.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 带卷 (TR) |
Twisted-Pair and Shielded Cables
For remote-sensor distances greater than 8 inches, or
in particularly noisy environments, use a twisted pair. A
practical length is 6 to 12 feet. For longer distances, the
best solution is a shielded twisted pair such as that
used for audio microphones. For example, the Belden
8451 works well for distances up to 100 feet in a noisy
environment. Connect the shield to SHO.
Cable resistances affect remote-sensor accuracy; 1&
series resistance introduces +0.004癈 error.
Remote Diode Shielding
Temperature measurements will reflect significant error
if a portion of the bias current supplied to the diode
anode is allowed to flow through parallel paths to
ground. If the diode-connected transistor is mounted
on a PC board, suppress error-producing leakage
current by surrounding the collector/base leads with a
metal trace that is connected to the SHO shield output
(Figure 8).
12-Bit Serial-Output Temperature Sensors
with 5-Channel ADC
______________________________________________________________________________________ 17
SEL3
SEL2
SEL1
SEL0
POSITIVE INPUT (IN+)
NEGATIVE INPUT (IN-)
0
0
0
0
AIN0
AIN5
0
0
0
1
AIN1
AIN5
0
0
1
0
AIN2
AIN5
0
0
1
1
AIN3
AIN5
0
1
0
0
AIN4
AIN5
0
1
0
1
0
1
1
0
AIN5
AIN5
0
1
1
1
Internal diode anode*
Internal diode cathode
1
0
0
0
AIN0
AIN1
1
0
0
1
AIN2
AIN3
1
0
1
0
1
0
1
1
V
DD
/4
GND
1
1
0
0
External diode 1 anode* (AIN0)
External diode 1 cathode
(AIN1)
1
1
0
1
External diode 2 anode* (AIN2)
External diode 2 cathode
(AIN3)
1
1
1
0
1
1
1
1
*Temperature-measurement mode
Table 5. Input Selection
Table 6. Remote-Sensor Transistor
Manufacturer
MANUFACTURER
MODEL NUMBER
Central Semiconductor
(USA)
CMPT3904
Fairchild Semiconductor
(USA)
MMBT3904
Motorola (USA)
MMBT3904
Rohm Semiconductor
(Japan)
SST3904
Siemens (Germany)
SMB3904
Zetex (England)
FMMT3904CT-ND
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