參數(shù)資料
型號: MAX6627MKA-T
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 溫度/濕度傳感器
英文描述: Remote 【1∑C Accurate Digital Temperature Sensors with SPI-Compatible Serial Interface
中文描述: DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 5.50Cel, RECTANGULAR, SURFACE MOUNT
封裝: MO-178, SOT-23, 8 PIN
文件頁數(shù): 1/9頁
文件大?。?/td> 151K
代理商: MAX6627MKA-T
General Description
The MAX6627/MAX6628 precise digital temperature
sensors report the temperature of a remote sensor. The
remote sensor is a diode-connected transistor, typically
a low-cost, easily mounted 2N3904 NPN type that
replaces conventional thermistors or thermocouples.
The MAX6627/MAX6628 can also measure the die tem-
perature of other ICs, such as microprocessors (μPs) or
microcontrollers (μCs) that contain an on-chip, diode-
connected transistor.
Remote accuracy is ±1°C when the temperature of the
remote diode is between 0°C and +125°C and the tem-
perature of the MAX6627/MAX6628 is +30°C. The tem-
perature is converted to a 12-bit + sign word with
0.0625°C resolution. The architecture of the device is
capable of interpreting data as high as +145°C from
the remote sensor. The MAX6627/MAX6628 tempera-
ture should never exceed +125°C.
These sensors are 3-wire serial interface SPI compat-
ible, allowing the MAX6627/MAX6628 to be readily con-
nected to a variety of μCs. The MAX6627/MAX6628 are
read-only devices, simplifying their use in systems
where only temperature data is required.
Two conversion rates are available, one that continu-
ously converts data every 0.5s (MAX6627), and one
that converts data every 8s (MAX6628). The slower ver-
sion provides minimal power consumption under all
operating conditions (30μA, typ). Either device can be
read at any time and provide the data from the last con-
version.
Both devices operate with supply voltages between
+3.0V and +5.5V, are specified between -55°C and
+125°C, and come in the space-saving 8-pin SOT23
package.
Applications
Hard Disk Drive
Smart Battery Packs
Automotive
Industrial Control Systems
Notebooks, PCs
Features
o
Accuracy
±1°C (max) from 0°C
T
RJ
+125°C, T
A
= +30°C
±2.4°C (max) from -55°C
T
RJ
+100°C,
0°C
T
A
+70°C
o
12-Bit + Sign, 0.0625°C Resolution
o
Low Power Consumption
30μA (typ) (MAX6628)
200μA (typ) (MAX6627)
o
Operating Temperature Range (-55°C to +125°C)
o
Measurement Temperature Range, Remote
Junction (-55°C to +145°C)
o
0.5s (MAX6627) or 8s (MAX6628) Conversion Rate
o
SPI-Compatible Interface
o
+3.0V to +5.5V Supply Range
o
8-Pin SOT23 Package
M
Remote ±1°C Accurate Digital Temperature
Sensors with SPI-Compatible Serial Interface
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
19-2032; Rev 1; 7/01
Ordering Information
PART
TEMP. RANGE
PIN-
PACKAGE
TOP
MARK
MAX6627
MKA-T
MAX6628
MKA-T
-55
°
C to +125
°
C
-55
°
C to +125
°
C
8 SOT23-8
8 SOT23-8
AAEQ
AAER
SPI is a trademark of Motorola, Inc.
Pin Configuration appears at end of data sheet.
SDO
GND
SCK
μ
C
+ 3V TO + 5.5V
MAX6627
MAX6628
CS
DXP
DXN
2200pF
2200pF
0.1
μ
F
V
CC
Typical Operating Circuit
相關(guān)PDF資料
PDF描述
MAX6628MKA-T Remote 【1∑C Accurate Digital Temperature Sensors with SPI-Compatible Serial Interface
MAX6627 Quadruple 2-Input Exclusive-OR Gates 14-CFP -55 to 125
MAX6630MUT-T 12-Bit Sign Digital Temperature Sensors with Serial Interface
MAX6630 Decade Counter 14-CDIP -55 to 125
MAX6631 Decade Counter 14-CDIP -55 to 125
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