pca9691 NXP Semiconductors, pca9691 Datasheet - Page 11

• Manufacturer Part Number: pca9691
• Description: 8-bit A/d And D/a Converter
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA9691_1
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 condition the first byte read is 80h. The
protocol of an I
The actual speed of the I
Fig 11. A/D conversion characteristics of single-ended inputs
ADC (hex)
2
FE
04
03
02
01
00
FF
C-bus read cycle is shown in
0
1
Rev. 01 — 8 April 2008
V
2
LSB
C-bus provides the maximum A/D conversion rate.
2
=
V
3
VREF
256
4
V
AGND
Figure
18.
8-bit A/D and D/A converter
254
255
PCA9691
© NXP B.V. 2008. All rights reserved.
V
AIN
V
001aah587
LSB
V
AGND
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