ADS1262 datasheet(5/134 Pages) TAOS

Numer części	ADS1262

Szczegółowy opis	ADS126x 32-Bit, Precision, 38-kSPS, Analog-to-Digital Converter

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Producent	TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS]

Strona internetowa	http://www.taosinc.com

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5 / 134 page

ADS1262, ADS1263

www.ti.com

SBAS661B – FEBRUARY 2015 – REVISED JULY 2015

Pin Functions

I/O

DESCRIPTION

NO.

NAME

1

AIN8

Analog input/output

Analog input 8, IDAC1, IDAC2, GPIO5

2

AIN9

Analog input/output

Analog input 9, IDAC1, IDAC2, GPIO6

3

AINCOM

Analog input/output

Analog input common, IDAC1, IDAC2, GPIO7, VBIAS

4

CAPP

Analog output

PGA output P: connect a 4.7-nF C0G dielectric capacitor from CAPP to CAPN

5

CAPN

Analog output

PGA output N: connect a 4.7-nF C0G dielectric capacitor from CAPP to CAPN

6

AVDD

Analog

Positive analog power supply

7

AVSS

Analog

Negative analog power supply

8

REFOUT

Analog Output

Internal reference voltage output, connect 1-µF capacitor to AVSS

9

START

Digital Input

Start conversion control

10

CS

Digital Input

Serial interface chip select (active low)

11

SCLK

Digital Input

Serial interface shift clock

12

DIN

Digital Input

Serial interface data input

13

DOUT/DRDY

Digital output

Serial interface data output and data ready indicator (active low)

14

DRDY

Digital output

Data ready indicator (active low)

1) Internal oscillator: Connect to DGND

15

XTAL1/CLKIN

Digital Input

2) External clock: Connect clock input

3) Crystal oscillator: Connect to crystal and crystal load capacitor

1) Internal oscillator: No connection (float)

16

XTAL2

Digital Input

2) External clock: No connection (float)

3) Crystal oscillator: Connect to crystal and crystal load capacitor

17

BYPASS

Analog Output

2-V sub-regulator external bypass; connect 1-µF capacitor to DGND

18

DGND

Digital

Digital ground

19

DVDD

Digital

Digital power supply

20

RESET/PWDN

Digital input

Reset (active low); hold low to power down the ADC

21

AIN0

Analog input/output

Analog input 0, REFP1, IDAC1, IDAC2

22

AIN1

Analog input/output

Analog input 1, REFN1, IDAC1, IDAC2

23

AIN2

Analog input/output

Analog input 2 ,REFP2, IDAC1, IDAC2

24

AIN3

Analog input/output

Analog input 3, REFN2, IDAC1, IDAC2, GPIO0

25

AIN4

Analog input/output

Analog input 4, REFP3, IDAC1, IDAC2, GPIO1

26

AIN5

Analog input/output

Analog input 5, REFN3, IDAC1, IDAC2, GPIO2

27

AIN6

Analog input/output

Analog input 6, IDAC1, IDAC2, GPIO3, TDACP

28

AIN7

Analog input/output

Analog input 7, IDAC1, IDAC2, GPIO4, TDACN

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Product Folder Links: ADS1262 ADS1263

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