AD2437 datasheet(30/42 Pages) AD

30 / 42 page

Rev. 0

Page 30 of 42

July 2023

AD2437

ABSOLUTE MAXIMUM RATINGS

Stresses at or above those listed in Table 17 can cause perma-

nent damage to the product. This is a stress rating only;

functional operation of the product at these or any other condi-

tions above those indicated in the operational section of this

specification is not implied. Operation beyond the maximum

operating conditions for extended periods may affect product

reliability.

Permanent damage can occur if the digital pin output current

per pin group value is exceeded. For example, if three pins from

Group 2 in the Total Current Pin Groups table are sourcing or

sinking 2 mA each, the total current for those pins is 6 mA. Up

to 9 mA can be sourced or sunk by the remaining pins in the

group without damaging the device.

ESD CAUTION

Table 17. Absolute Maximum Ratings

Parameter

Rating

VIN to VSS

VBUS to VSS

Power Supply IOVDD to IOVSS



Power Supply DVDD to DVSS



Power Supply PLLVDD to PLLVSS



Power Supply TRXVDD to TRXVSS

Digital Pin Output Voltage Swing

1 Applies to BCLK, SYNC, ADR1, ADR2, SCK, MISO, MOSI, SIOn, IRQ, and

GPIO7 pins.

–0.3 V to +30 V

–0.3 V to +3.63 V



–0.3 V to +1.98 V



–0.3 V to +1.98 V



–0.3 V to +3.63 V

–0.3 V to VIOVDD + 0.5 V

Pin Voltage While IOVDD is Unbiased



2C Pins SCL and SDA



Other Digital Pins1



–0.3 V to +5.5 V



–0.3 V to +0.3 V

Pin Voltage While IOVDD is Biased



I2C Pins SCL and SDA



Other Digital Pins

2, 3

Other Digital Pins

2, 4

2 Applies to BCLK, SYNC, ADR1, ADR2, SCK, MISO, MOSI, SIOn, RST, and

GPIO7 pins.

3 Applies when nominal V

IOVDD is 1.8 V.

4 Applies when nominal VIOVDD is 3.3 V.



–0.3 V to +5.5 V



–0.3 V to +2.10 V

–0.3 V to +3.63 V

A2B Bus Terminal Voltage



(AP, AN, BP, and BN Pins)



Voltage to VSS

ISENSEP, ISENSEN, VSENSEP, VSENSEN

SWN



ISENSEP

SWP to VSENSEP



–0.3 V to +4.1 V



–0.3 V to +30 V

–0.3 V to +7 V



VVBUS ±7 V

–0.3 V to +8 V

Storage Temperature Range



Junction Temperature While Biased

–65°C to +150°C



–40°C to +125°C

Digital Pin Output Current per Pin

Group

5 For more information, see the following description and Table 18.

15 mA

Table 18. Total Current Pin Groups

Group

Pins in Group

SIO0, SIO1, SIO2, SYNC, BCLK

SIO3, SIO4, GPIO7

3SDA

1, SCL1, MISO2, MOSI2, SCK2

1 Applicable when SCL and SDA are used as GPIO.

2 PWM pins are multiplexed with SPI pins and cannot directly drive high power

LEDs. An LED driver can be interfaced to drive high power LEDs.

ADR1, ADR2, IRQ

ESD (electrostatic discharge) sensitive device.

Charged devices and circuit boards can discharge

without detection. Although this product features

patented or proprietary protection circuitry, damage

may occur on devices subjected to high energy ESD.

Therefore, proper ESD precautions should be taken to

avoid performance degradation or loss of functionality.

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