On-Board Digital I C Temperature Sensor - Analog Devices ADZS-U4050LF-EZKIT User Manual

ADZS-U4050LF-EZKIT
2
On-Board Digital I C Temperature Sensor
The ADZS-U4050LF-EZKIT board has an on-board I
temperature sensor, ADT7420. The
operation over the −40°C to +150°C temperature range.
The ADT7420 operates from 2.7 V to 5.5 V. Operating at 3.3 V,
the average supply current is typically 210 μA and the shutdown
current is typically 2.0 μA.
The ADT7420 has two available pins for address selection with
2
four possible I C addresses. The user can configure the address
User Guide
2
C digital
ADT7420 (U6) is rated for
Figure 7. I
Rev. 0 | Page 9 of 31
by soldering resistors in R39 and R40 (to VCC), and R41 and
R42 (to GND). The default address is 0x48.
The ADT7420 is connected to the I
an interrupt signal to interrupt the microcontroller. The interrupt
signal pin of the ADT7420
ADuCM4050.
The temperature sensor can be disconnected from the board
supply by unshorting the JP5 header. Figure 7 shows the circuit
with the ADT7420
the chip.
2
C Temperature Circuit
2
C interface and can generate
is connected to Pin P1_14 of the
chip in the middle and the JP5 header above
UG-1163