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參數(shù)資料
| 型號： | MAX6627MKA#TG16 |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 5/9頁 |
| 文件大?。?/td> | 257K |
| 描述： | IC TEMP SENSOR DGTL SOT23-8 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 功能： | 溫度監(jiān)控系統(tǒng)（傳感器） |
| 傳感器類型： | 外部 |
| 感應(yīng)溫度： | -55°C ~ 145°C |
| 精確度： | ±2.4°C（最小值） |
| 拓?fù)洌?/td> | ADC |
| 輸出類型： | 3 線/SPI? 串行 |
| 輸出警報： | 無 |
| 輸出風(fēng)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： | SOT-23-8 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-8 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | MAX6627MKA#TG16DKR |
Remote ?癈 Accurate Digital Temperature
Sensors with SPI-Compatible Serial Interface
_______________________________________________________________________________________ 5
Detailed Description
The MAX6627/MAX6628 remote digital thermometers
report the temperature of a remote sensor. The remote
sensor is a diode-connected transistortypically, a
low-cost, easily mounted 2N3904 NPN typethat
replaces conventional thermistors or thermocouples.
The MAX6627/MAX6628 can also measure the die tem-
perature of other ICs, such as 礟s or 礐s, that contain
an on-chip, diode-connected transistor.
Remote accuracy is ?癈 when the temperature of the
remote diode is between 0癈 and +125癈 and the tem-
perature of the MAX6627/MAX6628 is +30癈. Data is
available as a 12-bit + sign word with 0.0625癈 resolu-
tion. The operating range of the device extends from
-55癈 to +125癈, although the architecture of the
device is capable of interpreting data up to +145癈.
The device itself should never exceed +125癈.
The MAX6627/MAX6628 are designed to work in con-
junction with an external 礐 or other intelligent device
serving as the master in thermostatic, process-control,
or monitoring applications. The 礐 is typically a power
management or keyboard controller, generating SPI
serial commands by bit-banging GPIO pins.
Two conversion rates are available; the MAX6627 con-
tinuously converts data every 0.5s, and the MAX6628
continuously converts data every 8s. Either device can
be read at any time and provide the data from the last
conversion. The slower version provides minimal power
consumption under all operating conditions. Or, by tak-
ing CS low, any conversion in progress is stopped, and
the rising edge of CS always starts a fresh conversion
and resets the interface. This permits triggering a con-
version at any time so that the power consumption of
the MAX6627 can be overcome, if needed. Both
devices operate with input voltages between +3.0V and
+5.5V and are specified between -55癈 and +125癈.
The MAX6627/MAX6628 come in space-saving 8-pin
SOT23 and TDFN packages.
ADC Conversion Sequence
The device powers up as a free-running data converter
(Figure 1). The CS pin can be used for conversion con-
trol. The rising edge of CS resets the interface and
starts a conversion. The falling edge of CS stops any
conversion in progress, overriding the latency of the
part. Temperature data from the previous completed
conversion is available for read (Tables 1 and 2). It is
required to maintain CS high for a minimum of 320ms
to complete a conversion.
Idle Mode
Pull CS low to enter idle mode. In idle mode, the ADC is
not converting. The serial interface is still active and
temperature data from the last completed conversion
can still be read.
Power-On Reset
The POR supply voltage of the MAX6627/MAX6628 is
typically 1.6V. Below this supply voltage, the interface
is inactive and the data register is set to the POR state,
Figure 1. Free-Running Conversion Time and Rate Relationships
MAX6627
MAX6628
0.5s
SAMPLE
RATE
8s
SAMPLE
RATE
0.25s
CONVERSION
TIME
ADC CONVERTING
ADC IDLE
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Sign
MSB
Data
LSB
Data
Low
High-Z High-Z
Table 1. Data Output Format
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6627MTA+ | 制造商:Maxim Integrated Products 功能描述:REMOTE ?1?C ACCURATE DIGITAL TEMPERATURE SENSORS WITH SPI - Rail/Tube |
| MAX6627MTA+T | 功能描述:板上安裝溫度傳感器 1C Accurate Temperature Sensor 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 |
| MAX6628MKA | 制造商:Maxim Integrated Products 功能描述:REMOTE +/- 1-DEGREE C ACCURATE DIGITAL TEMPER - Bulk |
| MAX6628MKA+ | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 3-WIRE/SPI 8PIN SOT-23 - Rail/Tube |
| MAX6628MKA+T | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 3-WIRE/SPI 8PIN SOT-23 - Tape and Reel |
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