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DS1624 Datasheet

  • DS1624

  • Digital Thermometer and Memory

  • Dallas   Dallas

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DS1624
Digital Thermometer and Memory
www.dalsemi.com
FEATURES
摟
Temperature measurements require no
external components
摟
Measures temperatures from -55擄C to +125擄C
in 0.03125擄C increments. Fahrenheit
equivalent is -67擄F to +257擄F in 0.05625擄F
increments
摟
Temperature is read as a 13-bit value (two
byte transfer)
摟
Converts temperature to digital word in 1
second (max)
摟
256 bytes of E
2
memory on board for storing
information such as frequency compensation
coefficients
摟
Data is read from/written via a 2-wire serial
interface (open drain I/O lines)
摟
Applications include temperature-
compensated crystal oscillators for test
equipment and radio systems
摟
8-pin DIP or SOIC packages
PIN ASSIGNMENT
SDA
SCL
NC
GND
1
2
3
4
8
7
6
5
V
DD
A
0
A
1
A
2
DS1624S 8-PIN SOIC (208 MIL)
See Mech Drawings Section
SDA
SCL
NC
GND
1
2
3
4
8
7
6
5
V
DD
A
0
A
1
A
2
DS1624 8-PIN DIP (300 MIL)
See Mech Drawings Section
PIN DESCRIPTION
SDA
SCL
GND
A0
A1
A2
V
DD
NC
- 2-Wire Serial Data Input/Output
- 2-Wire Serial Clock
- Ground
- Chip Address Input
- Chip Address Input
- Chip Address Input
- Digital Power Supply (+3V - +5V)
- No Connection
DESCRIPTION
The DS1624 consists of a digital thermometer and 256 bytes of E
2
memory. The thermometer provides
13-bit temperature readings which indicate the temperature of the device. The E
2
memory allows a user to
store frequency compensation coefficients for digital correction of crystal frequency due to temperature.
Any other type of information may also reside in this user space.
1 of 16
072099

DS1624 產(chǎn)品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 50

  • 集成電路 (IC)

  • PMIC - 熱管理

  • -

  • 溫度計(jì)，恒溫計(jì)

  • 內(nèi)部

  • -55°C ~ 125°C

  • ±0.5°C（最小值）

  • 2 線串行

  • 無

  • 無

  • 2.7 V ~ 5.5 V

  • -55°C ~ 125°C

  • 通孔

  • 8-DIP（0.300"，7.62mm）

  • 8-PDIP

  • 管件

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