TMPSNSRD-RTD2 Microchip Technology, TMPSNSRD-RTD2 Datasheet - Page 11

• Manufacturer Part Number: TMPSNSRD-RTD2
• Description: BOARD RTD REFERENCE DESIGN
• Manufacturer: Microchip Technology

Specifications of TMPSNSRD-RTD2

• Sensor Type: Temperature
• Interface: USB
• Embedded: No
• Utilized Ic / Part: MCP3551, MCP9804
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Sensitivity: -
• Sensing Range: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Temperature Measurements Using 4 Channel ADC (MCP3424)
See Thermocouple Reference Design (TMPSNSRD-TCPL1)
Delta-Sigma ADCs
Thermocouple Sensor
Heat
MCP9804
MCP9804
SDA
SCL
Isothermal Block
(Cold Junction)
SDA
SCL
0.1 μF
10 μF
1
2
3
4
5
6
7
Delta-Sigma ADC
SDA
5 kΩ
CH1+
CH1-
CH2+
CH2-
V
V
SDA
SS
DD
MCP3424
CH4+
CH3+
CH4-
CH3-
Adr1
Adr0
SCL
14
13
12
11
10
9
8
SCL
5 kΩ
To MCU
V
DD
V
DD
SDA
SCL
SDA
SCL
MCP9804
MCP9804
Isothermal Block
(Cold Junction)
Signal Chain Design Guide
11