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| 型号： | MAX1805MEE+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/17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： | 是 |
| 输出风扇： | 无 |
| 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) |
________________General Description
The MAX1668/MAX1805/MAX1989 are precise multi-
channel digital thermometers that report the tempera-
ture of all remote sensors and their own packages. The
remote sensors are diode-connected transistorstypi-
cally low-cost, easily mounted 2N3904 NPN typesthat
replace conventional thermistors or thermocouples.
Remote accuracy is ?癈 for multiple transistor manu-
facturers, with no calibration needed. The remote chan-
nels can also measure the die temperature of other ICs,
such as microprocessors, that contain an on-chip,
diode-connected transistor.
The 2-wire serial interface accepts standard system
management bus (SMBus") write byte, read byte, send
byte, and receive byte commands to program the alarm
thresholds and to read temperature data. The data for-
mat is 7 bits plus sign, with each bit corresponding to
1癈, in twos-complement format.
The MAX1668/MAX1805/MAX1989 are available in
small, 16-pin QSOP surface-mount packages. The
MAX1989 is also available in a 16-pin TSSOP.
________________________Applications
____________________________Features
o Multichannel
4 Remote, 1 Local (MAX1668/MAX1989)
2 Remote, 1 Local (MAX1805)
o No Calibration Required
o SMBus 2-Wire Serial Interface
o Programmable Under/Overtemperature Alarms
o Supports SMBus Alert Response
o Accuracy
?癈 (+60癈 to +100癈, Local)
?癈 (-40癈 to +125癈, Local)
?癈 (+60癈 to +100癈, Remote)
o 3?/SPAN>A (typ) Standby Supply Current
o 700?/SPAN>A (max) Supply Current
o Small, 16-Pin QSOP/TSSOP Packages
Multichannel Remote/Local
Temperature Sensors
________________________________________________________________ Maxim Integrated Products 1
SMBCLK
ADD0 ADD1
V
CC
STBY
GND
ALERT
SMBDATA
DXP1
DXP4
DXN4
INTERRUPT
TO 礐
3V TO 5.5V
200&
0.1礔
CLOCK
10k& EACH
DATA
DXN1
2200pF
2200pF
* DIODE-CONNECTED TRANSISTOR
*
*
MAX1668
MAX1805
MAX1989
Pin Configuration
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
DXP1
GND
STBY
SMBCLK
SMBDATA
ALERT
ADD0
ADD1
V
CC
TOP VIEW
MAX1668
MAX1805
MAX1989
QSOP/TSSOP
DXN1
DXP2
(N.C.) DXN3
DXN2
(N.C.) DXP3
(N.C.) DXP4
( ) ARE FOR MAX1805.
(N.C.) DXN4
Typical Operating Circuit
19-1766; Rev 2; 5/03
PART
MAX1668MEE
-55癈 to +125癈
TEMP RANGE
PIN-PACKAGE
16 QSOP
_______________Ordering Information
SMBus is a trademark of Intel Corp.
MAX1805MEE
-55癈 to +125癈
16 QSOP
Desktop and Notebook
Computers
LAN Servers
Industrial Controls
Central-Office Telecom
Equipment
Test and Measurement
Multichip Modules
MAX1989MEE
-55癈 to +125癈
16 QSOP
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxims website at www.maxim-ic.com.
MAX1989MUE
-55癈 to +125癈
16 TSSOP
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| MAX1806EUA08 | 功能描述:低压差稳压器 - LDO 500mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX1806EUA08+ | 功能描述:低压差稳压器 - LDO 500mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX1806EUA08+T | 功能描述:低压差稳压器 - LDO 500mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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