Datasheet A17700 (Allegro) - 2

Pressure Sensor Interface and Signal Conditioning IC A17700 with Polynomial Signal Compensation and Advanced Diagnostics FEATURES AND BENEFITS (continued)
○ Bridge diagnostics ○ Input signal Out-of-Range detection • EEPROM with Error Correction Control (ECC) for trimming capability and product traceability • AEC-Q100 Grade 0 • Wide operating temperature range: –40°C to 150°C • QFN package with redundant bridge supply pins for PCB board space optimization • Wettable flanks enabling visual inspection of solder joints
SELECTION GUIDE Part Number Output Packing Packing
A17700LESBTR-AO Analog Output 24-pin QFN with wettable flank and exposed thermal pad 1500 pieces per 7-inch reel A17700LESBTR-DO Digital Output (SENT/PWM) 24-pin QFN with wettable flank and exposed thermal pad 1500 pieces per 7-inch reel
ABSOLUTE MAXIMUM RATINGS [1] Characteristic Symbol Notes Rating Unit
Forward Supply Voltage VCC 24 V Reverse Supply Voltage VRCC Voltage delta between supply and output must not exceed 24 V –18 V Output Pin Forward Voltage VOUT Voltage delta between supply and output must not exceed 24 V 24 V All Other Pins Forward Voltage [2] VIN 3.6 V Output and All Other Pins Reverse Voltage [2] VR –0.5 V Operating Ambient Temperature TA L range –40 to 150 °C Maximum Junction Temperature TJ(max) 165 °C Storage Temperature Tstg –65 to 170 °C [1] Stresses beyond the Absolute Maximum Ratings may result in permanent device damage. [2] “All Other Pins” refer to the pins that are driven by the device and should not be connected to external supplies.
THERMAL CHARACTERISTICS:
May require derating at maximum conditions, see application information
Characteristic Symbol Test Conditions [3] Value Unit
Single-layer PCB based on JEDEC standard 136 °C/W Package Thermal Resistance RqJA Four-layer PCB based JEDEC standard 37 °C/W [3] Additional thermal information available on the Allegro website. 2 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com Document Outline Features and Benefits Description Package Functional Block Diagram Selection Guide Absolute Maximum Ratings Thermal Characteristics Pinout Diagram and Terminal List Operating Characteristics Functional Description Bandwidth Selection Output Response Time Power-On Time Front End Gain Adjustment Front End Differential Offset Adjustment Input Signal Range Calculation Fine Adjustment and Temperature Compensation Output Protocols Digital Output Mode Selection Digital Output Driver Fall Time Selection Broken Wire Detection Diagnostic Features Programming: Manchester Communication Entering Manchester Coding Manchester Interface Message Structure CRC Device Access Shadow Registers Device EEPROM and Register Access Lock EEPROM Map Volatile Registers Map Power Derating Package Outline Drawing