ZSC31150 14-SSOP – Temperature range: -40°C to +150°C
ZSC31150 14-SSOP – Temperature range: -40°C to +150°C
(Long life: 5000h @150°C)
ZSC31150 14-SSOP – Temperature range: -40°C to +125°C
ZSC31150 SSC Evaluation Kit V1.2: Three interconnecting boards, five ZSC31150 SSOP14 samples, USB cable
(software can be downloaded from product page at
www.IDT.com/ZSC31150)
Modular Mass Calibration System (MSC) V1.1 for ZSC31150: MCS boards, cable, connectors (software can be
downloaded from product page)
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DISCLAIMER Integrated Device Technology, Inc. (IDT) reserves the right to modify the products and/or specifications described herein at any time, without notice, at IDT's sole discretion. Performance
specifications and operating parameters of the described products are determined in an independent state and are not guarante ed to perform the same way when installed in customer products. The
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1.1 Absolute Maximum Ratings .................................................................................................................................................................5
Supply Current and System Operation Conditions ...............................................................................................................6
Analog Front-End (AFE) Characteristics ..............................................................................................................................6
Digital-to-Analog Conversion (DAC) and Analog Output (AOUT Pin) ..................................................................................7
System Response ................................................................................................................................................................8
2.1 Signal Flow ........................................................................................................................................................................................10
2.3 Analog Front End (AFE) ....................................................................................................................................................................11
2.3.1
2.3.2
2.3.3
2.3.4
Programmable Gain Amplifier (PGA) .................................................................................................................................11
2.4 Temperature Measurement ...............................................................................................................................................................15
2.5 System Control and Conditioning Calculation ...................................................................................................................................15
Start Up Phase ...................................................................................................................................................................15
2.6 Analog Output AOUT.........................................................................................................................................................................16
2.7 Serial Digital Interface .......................................................................................................................................................................16
2.8 Failsafe Features, Watchdog and Error Detection.............................................................................................................................17
2.9 High Voltage, Reverse Polarity, and Short Circuit Protection ............................................................................................................17
Quality and Reliability .................................................................................................................................................................................22
Related Documents and Tools ...................................................................................................................................................................23
11. Document Revision History ........................................................................................................................................................................25
List of Figures
Figure 2.1 Block Diagram of the ZSC31150 .......................................................................................................................................................10
Figure 3.1 Bridge in Voltage Mode, External Diode Temperature Sensor ..........................................................................................................18
Figure 3.2 Bridge in Voltage Mode, External Thermistor ....................................................................................................................................19
Figure 3.3 Bridge in Current Mode, Temperature Measurement via Bridge TC .................................................................................................19
Table 1.4 Interface and EEPROM Characteristics ..............................................................................................................................................8
Table 2.1 Adjustable Gains, Resulting Sensor Signal Spans, and Common Mode Ranges .............................................................................11
Table 2.2 Analog Zero Point Shift Ranges (XZC) ..............................................................................................................................................12
Table 2.3 Analog Output Resolution versus Sample Rate ................................................................................................................................14
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