PCA9691BS NXP [NXP Semiconductors], PCA9691BS Datasheet - Page 12

• Manufacturer Part Number: PCA9691BS
• Description: 8-bit A/D and D/A converter
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCA9691_2
Product data sheet
The first byte transmitted in a read cycle contains the conversion result code of the
previous read cycle. After a Power-On Reset (POR) condition the first byte read is 80h.
The protocol of an I
The actual speed of the I
Fig 12. A/D conversion characteristics of single-ended inputs
ADC (hex)
FE
FF
04
03
02
01
00
0
2
C-bus read cycle is shown in
1
Rev. 02 — 27 January 2010
V
2
LSB
C-bus provides the maximum A/D conversion rate.
2
=
V
3
VREF
256
− V
4
AGND
Figure
19.
8-bit A/D and D/A converter
254
255
PCA9691
© NXP B.V. 2010. All rights reserved.
V
AIN
V
001aah587
− V
LSB
AGND
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