DS1822 Maxim Integrated Products, DS1822 Datasheet - Page 3

• Manufacturer Part Number: DS1822
• Description: IC THERMOMETER ECONO DIG TO-92
• Manufacturer: Maxim Integrated Products

Specifications of DS1822

• Sensing Temperature: -55°C ~ 125°C
• Output Type: Digital
• Voltage - Supply: 3 V ~ 5 V
• Accuracy: ±2°C
• Package / Case: TO-226-3, TO-92-3 (TO-226AA)
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: Serial (1-Wire)
• Digital Output - Number Of Bits: 12 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DS1822 BLOCK DIAGRAM Figure 1
4.7K
V
GND
PU
V
DQ
DD
PARASITE POWER
C
PP
CIRCUIT
INTERNAL V
SUPPLY
POWER
SENSE
DD
64-BIT ROM
1-wire PORT
AND
3 of 21
SCRATCHPAD
MEMORY CONTROL
LOGIC
CONFIGURATION REGISTER
ALARM HIGH TRIGGER (T
ALARM LOW TRIGGER (T
TEMPERATURE SENSOR
REGISTER (EEPROM)
REGISTER (EEPROM)
8-BIT CRC GENERATOR
DS1822
(EEPROM)
L
H
)
DS1822
)