DS1825U+ Maxim Integrated Products, DS1825U+ Datasheet - Page 3

• Manufacturer Part Number: DS1825U+
• Description: IC THERMOMETER DIGITAL 8-USOP
• Manufacturer: Maxim Integrated Products

Specifications of DS1825U+

• Function: Thermometer, Thermostat
• Topology: Register Bank, Scratchpad
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: Digital
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 3 V ~ 3.7 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Temperature Threshold: Programmable
• Full Temp Accuracy: +/- 0.5 C
• Digital Output - Bus Interface: 1-Wire
• Digital Output - Number Of Bits: 9 bit to 12 bit
• Supply Voltage (max): 3.7 V
• Supply Voltage (min): 3 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Supply Current: 1.5 mA
• Ic Output Type: Digital
• Sensing Accuracy Range: ± 0.5°C
• Supply Voltage Range: 3V To 3.7V
• Resolution (bits): 12bit
• Sensor Case Style: µSOP
• No. Of Pins: 8
• Accuracy %: 0.5°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC ELECTRICAL CHARACTERISTICS: NV MEMORY
AC ELECTRICAL CHARACTERISTICS
NOTES:
1.
2.
Table 1. DETAILED PIN DESCRIPTIONS
NV Write Cycle Time
EEPROM Writes
EEPROM Data Retention
Temperature Conversion
Time
Time to Strong Pullup On
Time Slot
Recovery Time
Write 0 Low Time
Write 1 Low Time
Read Data Valid
Reset Time High
Reset Time Low
Presence Detect High
Presence Detect Low
Capacitance: DQ
Capacitance: AD0-AD3
PIN
4
2
1
5
6
7
8
3
Refer to timing diagrams in Figure 18.
Under parasite power, if t
PARAMETER
PARAMETER
SYMBOL
GND
AD0
AD1
AD2
AD3
N.C.
V
DQ
DD
RSTL
Ground.
Data Input/Output pin. Open-drain 1-Wire interface pin. Also
provides power to the device when used in parasite power mode
(see Parasite Power section.)
Optional V
power mode.
Location Address Input Pin LSB
Location Address Input Pin
Location Address Input Pin
Location Address Input Pin MSB
No Connection
> 960ms, a power on reset may occur.
SYMBOL
SYMBOL
C
t
t
C
N
PDHIGH
t
t
t
t
PDLOW
t
t
t
t
CONV
SPON
t
LOW0
LOW1
t
RSTH
IN/OUT
SLOT
RSTL
IN_AD
EEDR
REC
RDV
EEWR
DD
t
wr
pin. V
DD
Command Issued
10-bit resolution
11-bit resolution
12-bit resolution
Start Convert T
9-bit resolution
must be grounded for operation in parasite
CONDITION
-55°C to +55°C
-55°C to +55°C
CONDITION
DESCRIPTION
3 of 21
(-55°C to +125°C; V
(-55°C to +100°C; V
MIN
480
480
60
60
15
60
1
1
MIN
50k
10
TYP
TYP
2
93.75
187.5
MAX
375
750
120
120
240
10
15
15
60
25
50
DD
DD
= 3.0V to 3.7V)
MAX
= 3.0V to 3.7V)
UNITS
10
ms
ms
ms
ms
pF
pF
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
UNITS
writes
NOTES
years
ms
1, 2
1
1
1
1
1
1
1
1
1
1
1
1