ADC3543 datasheet(4/68 Pages) TI1

4 / 68 page

I/O

DESCRIPTION

NAME

NO.

SDIO

Serial interface data input and output. This pin has an internal 21 kΩ pull-down resistor.

SEN

Serial interface enable. Active low. This pin has an internal 21 kΩ pull-up resistor to AVDD.

DIGITAL INTERFACE

CMOS output used with 16 bit output (configured via output bit formatter). This becomes

LSB. When not used can be left unconnected.

CMOS output used with 16 bit output (configured via output bit formatter). This becomes

LSB-1. When not used can be left unconnected.

CMOS output for data bit D0.

I/O

CMOS output for data bit D1. Used as DCLKIN in serial CMOS output modes.

CMOS output for data bit D2.

CMOS output for data bit D3.

CMOS output for data bit D4.

CMOS output for data bit D5.

CMOS output for data bit D6.

CMOS output for data bit D7.

D10

CMOS output for data bit D8.

D11

CMOS output for data bit D9. Lane 0 in serial CMOS output mode.

D12

CMOS output for data bit D10. Lane 1 in serial CMOS output mode.

D13

CMOS output for data bit D11.

D14

CMOS output for data bit D12.

D15

CMOS output for data bit D13 (MSB).

DCLK

CMOS output for data bit clock

FCLK

Frame clock output in serial CMOS output mode.

POWER SUPPLY

AVDD

5,8,11,16

Analog 1.8-V power supply

GND

12,15

PowerPAD

Ground, 0 V

IOGND

Ground, 0 V for digital interface

IOVDD

1.8-V power supply for digital interface

ADC3541

SBAS840 – JULY 2020

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