Datasheet Details
| Part number | ADT70 |
|---|---|
| Manufacturer | Analog Devices |
| File Size | 151.54 KB |
| Description | PRTD Conditioning Circuit and Temperature Controller |
| Datasheet |
 ADT70 Datasheet
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General Description
PRTD Conditioning Circuit and Temperature Controller ADT70
FUNCTIONAL BLOCK DIAGRAM
NULLA NULLB BIAS 2.5VREFOUT
ADT70
+VS OUTOA
IOUTA IOUTB
MATCHED CURRENT SOURCES 2.5V REF
+INOA ؊INOA
+INIA ؊INIA
INST AMP
SHUTDOWN
SHUTDOWN
RGA RGB GND SENSE
OUTIA AGND ؊VS
DGND
The ADT70 provides
Key Features
- PRTD Temperature Measurement Range Typical IC Measurement Error ؎ 1؇C Includes Two Matched Current Sources Rail-to-Rail Output Instrumentation Amp Uncommitted, Rail-to-Rail Output Op Amp On-Board ؉ 2.5 V Reference Temperature Coefficient ؎ 25 ppm/؇C ؉ 5 V or ؎ 5 V Operation Supply Current 4 mA Max 10 A Max in Shutdown.