PCF8591T/2,518 Datasheet PCF8591T/2,518, PCF8591P,112, PCF8591T/2,512 | P28-P30

Product data sheet Rev. 7 — 27 June 2013 28 of 31

NXP Semiconductors

PCF8591

8-bit A/D and D/A converter

Export control — This document as well as the item(s) described herein

may be subject to export control regulations. Export might require a prior

authorization from competent authorities.

Non-automotive qualified products — Unless this data sheet expressly

states that this specific NXP Semiconductors product is automotive qualified,

the product is not suitable for automotive use. It is neither qualified nor tested

in accordance with automotive testing or application requirements. NXP

Semiconductors accepts no liability for inclusion and/or use of

non-automotive qualified products in automotive equipment or applications.

In the event that customer uses the product for design-in and use in

automotive applications to automotive specifications and standards, customer

(a) shall use the product without NXP Semiconductors’ warranty of the

product for such automotive applications, use and specifications, and (b)

whenever customer uses the product for automotive applications beyond

NXP Semiconductors’ specifications such use shall be solely at customer’s

own risk, and (c) customer fully indemnifies NXP Semiconductors for any

liability, damages or failed product claims resulting from customer design and

use of the product for automotive applications beyond NXP Semiconductors’

standard warranty and NXP Semiconductors’ product specifications.

Translations — A non-English (translated) version of a document is for

reference only. The English version shall prevail in case of any discrepancy

between the translated and English versions.

19.4 Trademarks

Notice: All referenced brands, product names, service names and trademarks

are the property of their respective owners.

C-bus — logo is a trademark of NXP B.V.

20. Contact information

For more information, please visit: http://www.nxp.com

For sales office addresses, please send an email to: salesaddresses@nxp.com

Product data sheet Rev. 7 — 27 June 2013 29 of 31

NXP Semiconductors

PCF8591

8-bit A/D and D/A converter

21. Tables

Table 1. Ordering information . . . . . . . . . . . . . . . . . . . . .2

Table 2. Ordering options . . . . . . . . . . . . . . . . . . . . . . . . .2

Table 3. Marking codes . . . . . . . . . . . . . . . . . . . . . . . . . .2

Table 4. Pin description . . . . . . . . . . . . . . . . . . . . . . . . . .4

Table 5. I

C slave address byte . . . . . . . . . . . . . . . . . . .13

Table 6. R/W-bit description . . . . . . . . . . . . . . . . . . . . . .13

Table 7. Limiting values . . . . . . . . . . . . . . . . . . . . . . . . .16

Table 8. Characteristics . . . . . . . . . . . . . . . . . . . . . . . . .17

Table 9. D/A characteristics . . . . . . . . . . . . . . . . . . . . . .18

Table 10. A/D characteristics . . . . . . . . . . . . . . . . . . . . . .18

Table 11. Dynamic characteristics . . . . . . . . . . . . . . . . . .20

Table 12. SnPb eutectic process (from J-STD-020D) . . .24

Table 13. Lead-free process (from J-STD-020D) . . . . . .24

Table 14. Revision history . . . . . . . . . . . . . . . . . . . . . . . .26

Product data sheet Rev. 7 — 27 June 2013 30 of 31

NXP Semiconductors

PCF8591

8-bit A/D and D/A converter

22. Figures

Fig 1. Block diagram of PCF8591 . . . . . . . . . . . . . . . . . .3

Fig 2. Pin configuration for PCF8591P (DIP16). . . . . . . .3

Fig 3. Pin configuration for PCF8591T (SO16) . . . . . . . .3

Fig 4. Control byte . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Fig 5. DAC resistor divider chain . . . . . . . . . . . . . . . . . . .7

Fig 6. DAC data and DC conversion characteristics . . . .7

Fig 7. D/A conversion sequence . . . . . . . . . . . . . . . . . . .8

Fig 8. A/D conversion sequence . . . . . . . . . . . . . . . . . . .8

Fig 9. A/D conversion characteristics of single ended

inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Fig 10. A/D conversion characteristics of differential

inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Fig 11. Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Fig 12. Definition of START and STOP conditions. . . . . .11

Fig 13. System configuration . . . . . . . . . . . . . . . . . . . . . .12

Fig 14. Acknowledgement on the I

C-bus . . . . . . . . . . . .12

Fig 15. Bus protocol for write mode, D/A conversion. . . .13

Fig 16. Bus protocol for read mode, A/D conversion. . . .13

Fig 17. Application diagram . . . . . . . . . . . . . . . . . . . . . . .14

Fig 18. Device protection diagram. . . . . . . . . . . . . . . . . .15

Fig 19. Operating supply current as a function of supply

voltage (analog output disabled) . . . . . . . . . . . . .19

Fig 20. Output impedance of analog output buffer

(near power rails). . . . . . . . . . . . . . . . . . . . . . . . .19

Fig 21. I

C bus timing diagram; rise and fall times

refer to V

and V

. . . . . . . . . . . . . . . . . . . . . . . .20

Fig 22. DIP16: plastic dual in-line package; 16 leads

(300 mil). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Fig 23. SO16: plastic small outline package; 16 leads:

body width 7.5 mm. . . . . . . . . . . . . . . . . . . . . . . .22

Fig 24. Temperature profiles for large and small

components . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27 P28-P30 P31-P31

PCF8591T/2,518

Mfr. #:

Buy PCF8591T/2,518

Manufacturer:

NXP Semiconductors

Description:

Data Acquisition ADCs/DACs - Specialized 8 BIT ADC/DAC I2C

Lifecycle:

New from this manufacturer.

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PCF8591T/2,518

PCF8591T/2,518

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