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參數(shù)資料
| 型號： | MAX1617AMEE+T |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 292K |
| 描述： | IC REMOTE/LOCAL TEMP SNSR 16QSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 功能： | 溫度計，恒溫計 |
| 傳感器類型： | 內(nèi)部和外部 |
| 感應溫度： | -55°C ~ 125°C，外部傳感器 |
| 精確度： | ±3°C（最小值） |
| 拓撲： | ADC，比較器，多路復用器，寄存器庫 |
| 輸出類型： | I²C?/SMBus? |
| 輸出警報： | 是 |
| 輸出風扇： | 無 |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-QSOP |
| 包裝： | 帶卷 (TR) |
6
Remote/Local Temperature Sensor
with SMBus Serial Interface
MAX1617A
Maxim Integrated
Pin Description
General Description
The MAX1617A is a temperature sensor designed to
work in conjunction with an external microcontroller
(礐) or other intelligence in thermostatic, process-con-
trol, or monitoring applications. The 礐 is typically a
power-management or keyboard controller, generating
SMBus serial commands by bit-banging general-pur-
pose input/output (GPIO) pins or via a dedicated
SMBus interface block.
Essentially an 8-bit serial analog-to-digital converter
(ADC) with a sophisticated front end, the MAX1617A
contains a switched current source, a multiplexer, an
ADC, an SMBus interface, and associated control logic
(Figure 1). Temperature data from the ADC is loaded
into two data registers, where it is automatically com-
pared with data previously stored in four over/under-
temperature alarm registers.
ADC and Multiplexer
The ADC is an averaging type that integrates over a
60ms period (each channel, typical) with excellent
noise rejection.
The multiplexer automatically steers bias currents
through the remote and local diodes, measures their
forward voltages, and computes their temperatures.
Both channels are automatically converted once the
conversion process has started, either in free-running
or single-shot mode. If one of the two channels is not
used, the device still performs both measurements, and
the user can simply ignore the results of the unused
channel. If the remote diode channel is unused, tie DXP
to DXN rather than leaving the pins open.
The DXN input is biased at 0.65V(typ) above ground by
an internal diode to set up the analog-to-digital (A/D)
inputs for a differential measurement. The typical
DXPDXN differential input voltage range is 0.25V to
0.95V. To ensure proper operation over full temperature
range, ensure V
DXP
d (0.78 x V
CC
- 1.1) volts.
SMBus Serial-Data Input/Output, Open Drain
SMBDATA
12
SMBus Serial-Clock Input
SMBCLK
14
Hardware Standby Input. Temperature and comparison threshold data are retained in standby mode.
Low = standby mode, high = operate mode.
STBY
15
SMBus Address Select Pin (Table 8). ADD0 and ADD1 are sampled upon power-up. Excess capacitance
(>50pF) at the address pins when unconnected may cause address-recognition problems.
ADD1
6
Ground
GND
7, 8
SMBus Slave Address Select Pin
ADD0
10
SMBus Alert (interrupt) Output, Open Drain
ALERT
11
Combined Current Sink and A/D Negative Input. DXN is normally biased to a diode voltage above
ground.
DXN
4
Combined Current Source and A/D Positive Input for Remote-Diode Channel. Do not leave DXP uncon-
nected; tie DXP to DXN if no remote diode is used. Place a 2200pF capacitor between DXP and DXN for
noise filtering.
DXP
3
PIN
Supply Voltage Input, 3V to 5.5V. Bypass to GND with a 0.1礔 capacitor. A 200& series resistor is recom-
mended but not required for additional noise filtering.
V
CC
2
No Connection. Not internally connected. May be used for PC board trace routing.
N.C.
1, 5, 9,
13, 16
FUNCTION
NAME
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相關代理商/技術參數(shù) |
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| MAX1617DBR2 | 制造商:ON Semiconductor 功能描述:Temp Sensor Digital Serial (2-Wire) 16-Pin QSOP T/R 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MAX1617MEE | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| MAX1617MEE+ | 功能描述:板上安裝溫度傳感器 Remote/Local w/SMBus Serial Interface RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| MAX1617MEE+T | 功能描述:板上安裝溫度傳感器 Remote/Local w/SMBus Serial Interface RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| MAX1617MEE+TW | 功能描述:板上安裝溫度傳感器 Remote/Local Temperature Sensor with SMBus Serial Interface RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
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