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參數(shù)資料
| 型號： | MAX6575HZUT+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | SOT Temperature Sensor with Multidrop Single Wire Digital Interface |
| 中文描述： | DIGITAL TEMP SENSOR-SERIAL, 5Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | SOT-23, 6 PIN |
| 文件頁數(shù)： | 7/12頁 |
| 文件大小： | 182K |
| 代理商： | MAX6575HZUT+ |
MAX6575L/H
SOT Temperature Sensor with
Multidrop Single-Wire Digital Interface
4
_______________________________________________________________________________________
_______________Detailed Description
The MAX6575L/H low-cost, low-current (150A typ)
temperature sensor is ideal for interfacing with micro-
controllers or microprocessors. The MAX6575L/H is a
monostable, externally triggered temperature sensor
that uses a Temp
→Delay conversion to communicate
with a P over a single I/O line. Time-select pins (TS1,
TS0) permit the internal temperature-controlled oscilla-
tor (TCO) to be scaled by four preset timeout multipli-
ers, allowing eight separate temperature sensors to
share one I/O line. Different sensors on the same I/O
line will use different timeout multipliers to avoid over-
lapping signals.
Operating the MAX6575L/H
Figure 1 illustrates the timing for the MAX6575L/H.
When the device is powered up, it assumes a ready
state where it awaits an external trigger at the I/O pin.
The I/O pin of the MAX6575L/H has an open-drain out-
put structure that requires a pull-up resistor to maintain
the proper logic levels. Once the I/O pin is pulled low
and then released, control of the I/O pin is transferred
to the MAX6575L/H. The temperature conversion
begins on the falling edge of the externally triggered
pulse. The I/O line is pulled low at a later time. That time
is determined by the device temperature and the Time
Select pins (TS1, TS0). The I/O line remains low for
5Ts, where T is the temperature in degrees Kelvin. The
temperature of the device is represented by the edge-
to-edge delay of the externally triggered pulse and the
falling edge of the subsequent pulse originating from
the device. The device can be manually reset by
pulling the I/O line low for more than tRESET (16ms
max). The device will automatically reset after a maxi-
mum delay of 520ms, at which point it will again be in a
ready state awaiting a start pulse.
Definition of Terms:
tRESET: Time I/O must be externally pulled low to guar-
antee the MAX6575L/H is in a ready state
awaiting external trigger. (Part will assume a
ready state after 520ms without a reset pulse.)
tSETUP: Time I/O must be high prior to a start pulse.
tSTART: Trigger pulse which starts the on-chip timing
sequence on its falling edge.
tDx:
Timing delay between the falling edge of the
start pulse and the falling edge initiated by
CHIP#x.
tLx:
I/O pulse low time (5Ts).
tREADY: Time after falling edge of start pulse when the
MAX6575L/H will reset itself and await the next
external trigger.
The temperature, in degrees Celsius, may be calculat-
ed as follows:
T(°C) = [tDx(s) / timeout multiplier(s/°K)] - 273.15°K
GND
5
GND
20
VDD
40
GND
TIME-SELECT PINS
TS0
TS1
MAX6575L
160
MAX6575H
320
480
VDD
80
640
VDD
tRESET
APPLIED START
PULSE
CHIP# 1
RESPONSE
CHIP# 2
RESPONSE
CHIP# 3
RESPONSE
CHIP# 4
RESPONSE
tD1
tL1
tL2
tD2
tD3
tL3
tD4
tL4
tREADY
tSETUP
tSTART
Figure 1. Timing Diagram
Table 1. Time-Select Pin Configuration
TIMEOUT MULTIPLIERS
(s/°K)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6575HZUT+ | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 1-WIRE 6PIN SOT-23 - Rail/Tube |
| MAX6575HZUT+T | 功能描述:板上安裝溫度傳感器 Temperature Sensor w/Multidrop Int RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX6575HZUT-T | 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(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX6575LZUT | 制造商:Maxim Integrated Products 功能描述:SINGLE-WIRE DIGITAL TEMPERATURE SEN - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX6575LZUT+ | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 1-WIRE 6PIN SOT-23 - Bulk |
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