DS1621 Maxim Integrated Products, DS1621 Datasheet - Page 15

• Manufacturer Part Number: DS1621
• Description: IC THERMOMETER/STAT DIG 8-DIP
• Manufacturer: Maxim Integrated Products

Specifications of DS1621

• Function: Thermometer, Thermostat
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Full Temp Accuracy: +/- 2 C
• Digital Output - Bus Interface: Serial (2-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

AC ELECTRICAL CHARACTERISTICS
All values referred to V
AC ELECTRICAL CHARACTERISTICS
Temperature
Conversion Time
NV Write Cycle
Time
SCL Clock
Frequency
Bus Free Time
Between a STOP
and START
Condition
Hold Time
(Repeated) START
Condition
Low Period of SCL
Clock
High Period of SCL
Clock
Setup Time for a
Repeated START
Condition
Data Hold Time
Data Setup Time
Rise Time of Both
SDA and SCL
Signals
Fall Time of both
SDA and SCL
Signals
Setup time for
STOP Condition
Capacitative Load
for each Bus Line
Input Capacitance
PARAMETER
PARAMETER
IH
SYMBOL
=0.9 V
t
t
t
t
t
T
HD:DAT
HD:STA
T
SU:DAT
SU:STA
SU:STO
f
t
T
t
BUF
HIGH
C
SCL
LOW
WR
t
t
TC
R
F
b
SYMBOL
DD
C
and V
I
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
CONDITION
0°C to 70°C
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
IL
=0.1 V
MIN
DD
.
15 of 16
20+0.1C
20+0.1C
(-55°C to +125°C; V
(-55°C to +125°C; V
TYP
MIN
100
250
5
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0.6
4.7
0.6
4.0
0
0
0
0
B
B
MAX
TYP
4
MAX
1000
750
400
100
300
300
300
400
0.9
10
UNITS
DD
DD
pF
= 2.7V to 5.5V)
= 2.7V to 5.5V)
UNITS
KHz
ms
ms
µs
µs
µs
µs
µs
µs
µs
pF
ns
ns
ns
NOTES
NOTES
6, 7
10
5
8
9
9