DS1722U+ Maxim Integrated Products, DS1722U+ Datasheet - Page 12
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DS1722U+
Manufacturer Part Number
DS1722U+
Description
IC THERMOMETER DIG 3-WIRE 8-USOP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1722STR.pdf
(14 pages)
Specifications of DS1722U+
Function
Thermometer, Thermostat
Topology
ADC, Register Bank
Sensor Type
Internal
Sensing Temperature
-55°C ~ 120°C
Output Type
SPI™
Output Alarm
No
Output Fan
No
Voltage - Supply
2.65 V ~ 5.5 V
Operating Temperature
-55°C ~ 120°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Full Temp Accuracy
+/- 2 C
Digital Output - Bus Interface
3-Wire, SPI
Digital Output - Number Of Bits
12 bit
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.65 V, 1.8 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Supply Current
0.5 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
TIMING DIAGRAM: 3-WIRE WRITE DATA TRANSFER Figure 10
AC ELECTRICAL CHARACTERISTICS: SPI Interface
TIMING DIAGRAM: SPI READ DATA TRANSFER Figure 11
*I/O is SDI and SDO tied together.
Data to SCLK Setup
SCLK to Data Hold
SCLK to Data Valid
SCLK Low Time
SCLK High Time
SCLK Frequency
SCLK Rise and Fall
CE to SCLK Setup
SCLK to CE Hold
CE Inactive Time
CE to Output High Z
PARAMETER
SYMBOL
t
t
t
t
t
t
t
R
t
t
CWH
CDH
CDD
t
t
CLK
CCH
CDZ
DC
CH
CL
CC
, t
F
CONDITION
12 of 14
(-55°C to +120°C, 2.65V ≤ V
MIN
100
100
400
100
400
DC
35
35
TYP MAX
200
5.0
80
40
UNITS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DD
≤ 5.5V)
NOTES
5, 6, 7
5, 6
5, 6
5, 6
6
6
6
6
6
6