DS1624 데이터 시트보기 (PDF) - Maxim Integrated
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DS1624 Datasheet PDF : 20 Pages
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DS1624
ORDERING INFORMATION
ORDERING
PACKAGE
DESCRIPTION
INFORMATION
MARKING
DS1624+
DS1624
DS1624 in Lead-Free 300 mil 8-pin DIP
DS1624S+
DS1624S
DS1624 in Lead-Free 208 mil 8-pin SO
DS1624S+T&R
DS1624S
DS1624 in Lead-Free 208 mil 8-pin SO, 2000 Piece Tape-
and-Reel
A “+” symbol will also be marked on the package near the Pin 1 indicator.
DETAILED PIN DESCRIPTION Table 1
PIN
SYMBOL
DESCRIPTION
1
SDA
Data input/output pin for 2-wire serial communication port.
2
SCL
Clock input/output pin for 2-wire serial communication port.
3
NC
No connect. No Internal Connection.
4
GND
Ground pin.
5
A2
Address input pin.
6
A1
Address input pin.
7
A0
Address input pin.
8
VDD
Supply Voltage 2.7V to 5.5V input power pin.
OVERVIEW
A block diagram of the DS1624 is shown in Figure 1. The DS1624 consists of two separate functional
units: 1) a 256–byte nonvolatile E2 memory, and 2) a direct–to–digital temperature sensor.
The nonvolatile memory is made up of 256 bytes of E2 memory. This memory may be used to store any
type of information the user wishes; for example, frequency compensation coefficients may be placed in
this memory to allow for compensation of measured frequency depending upon the temperature at which
the measurement is made. These memory locations are accessed through the 2–wire serial bus.
The direct to digital temperature sensor allows the DS1624 to measure the ambient temperature and
report the temperature value in a 13–bit word, with 0.03125°C resolution. The temperature sensor and its
related registers are accessed through the 2–wire serial interface.
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