DS1722U+T&R Maxim Integrated Products, DS1722U+T&R Datasheet - Page 12

• Manufacturer Part Number: DS1722U+T&R
• Description: IC THERMOMETER DIG 3-WIRE 8-USOP
• Manufacturer: Maxim Integrated Products

Specifications of DS1722U+T&R

• 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: +/- 3 C
• Digital Output - Bus Interface: Serial (3-Wire, SPI)
• Digital Output - Number Of Bits: 12 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• 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