 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
ADS1285 Datasheet(PDF) 3 Page - Texas Instruments |
|
|
|
|||||||||||||||||||||||||||||
ADS1285 Datasheet(HTML) 3 Page - Texas Instruments |
|
|
3 / 67 page  5 Pin Configuration and Functions 1 AIN1P 24 DOUT 2 AIN1N 23 DIN 3 AIN2P 22 SCLK 4 AIN2N 21 CS 5 CAPP 20 CLK 6 CAPN 19 IOVDD 7 CAPBP 18 DGND 8 CAPBN 17 CAPD Not to scale Thermal pad Figure 5-1. RHB Package, 32-Pin, 5-mm × 5-mm VQFN (Top View) Table 5-1. Pin Functions PIN FUNCTION DESCRIPTION NO. NAME 1 AIN1P Analog input Channel 1 positive input 2 AIN1N Analog input Channel 1 negative input 3 AIN2P Analog input Channel 2 positive input 4 AIN2N Analog input Channel 2 negative input 5 CAPP Analog internal PGA positive capacitor. Connect a 10-nF C0G capacitor across CAPP and CAPN. 6 CAPN Analog internal PGA negative capacitor. Connect a 10-nF C0G capacitor across CAPP and CAPN. 7 CAPBP Analog internal Buffer positive capacitor. Connect a 47-nF C0G capacitor to AVSS. 8 CAPBN Analog internal Buffer negative capacitor. Connect a 47-nF C0G capacitor to AVSS. 9 CAPC Analog internal Charge-pump capacitor. Connect a 4.7-nF, minimum 10-V rated capacitor to AGND. 10 AVSS Analog supply PGA negative analog supply. See the Analog Power Supplies section for details. 11 AVDD1 Analog supply PGA positive analog supply. See the Analog Power Supplies section for details. 12 AVDD2 Analog supply Modulator analog supply. See the Analog Power Supplies section for details. 13 AGND Analog ground Analog ground 14 CAPI Analog internal Input bias capacitor. Connect a 100-nF ceramic capacitor to AGND. 15 GPIO0 Digital I/O General-purpose I/O 16 GPIO1 Digital I/O General-purpose I/O 17 CAPD Analog output Digital low-dropout regulator (LDO) output. Connect a 220-nF ceramic capacitor to DGND. 18 DGND Ground Digital ground 19 IOVDD Digital supply Digital I/O power supply. See the IOVDD Power Supply section for details. 20 CLK Digital input ADC clock input 21 CS Digital input Serial interface select, active low 22 SCLK Digital input Serial interface clock 23 DIN Digital input Serial interface data in 24 DOUT Digital output Serial interface data out 25 DRDY Digital output Data ready, active low 26 SYNC Digital input ADC synchronization, active high 27 RESET Digital input ADC reset, active low 28 PWDN Digital input ADC power down, active low 29 REFN Analog input Negative reference input. See the Voltage Reference Input section for details. 30 REFP Analog input Positive reference input. See the Voltage Reference Input section for details. 31 CAPR Analog internal Reference bias capacitor. Connect a 100-nF ceramic capacitor to AVSS. 32 AVSS Analog supply PGA negative supply Thermal pad Connect the thermal pad to AVSS. Thermal vias placed in the printed circuit board (PCB) land are optional for placement of bottom side components. www.ti.com ADS1285 SBAS559A – MAY 2022 – REVISED DECEMBER 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: ADS1285 |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
