DS1722S+T&R Maxim Integrated Products, DS1722S+T&R Datasheet - Page 11

• Manufacturer Part Number: DS1722S+T&R
• Description: IC THERMOMETER DIG 3-WIRE 8-SOIC
• Manufacturer: Maxim Integrated Products

Specifications of DS1722S+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-SOIC (3.9mm Width)
• 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
• Other names: DS1722S+TR

ELECTRICAL CHARACTERISTICS: DIGITAL THERMOMETER
AC ELECTRICAL CHARACTERISTICS: 3-WIRE INTERFACE
TIMING DIAGRAM: 3-WIRE READ DATA TRANSFER Figure 9
Thermometer Error
Resolution
Conversion Time
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
SCLK to Output High Z
PARAMETER
PARAMETER
SYMBOL
SYMBOL
t
CONVT
T
ERR
t
t
t
t
t
t
t
t
R
CWH
t
t
t
CDH
CDD
t
CCH
CLK
CDZ
CCZ
DC
CH
CC
CL
, t
F
10-bit conversions
11-bit conversions
12-bit conversions
8-bit conversions
9-bit conversions
-55°C to +120°C
-40°C to +85°C
CONDITION
CONDITION
11 of 14
(-55°C to +120°C, 2.65V ≤ V
(-55°C to +120°C, 2.65V ≤ V
MIN
MIN
100
100
400
100
400
DC
35
35
8
TYP MAX UNITS NOTES
TYP MAX UNITS NOTES
1000
67.5
125
250
500
1200
±2.0
±3.0
200
150
300
600
5.0
80
40
40
12
75
MHz
bits
ms
°C
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DDA
DD
≤ 5.5V)
≤ 5.5V)
5, 6, 7
5, 6
5, 6
5, 6
5, 6
6
6
6
6
6
6