pca9691 NXP Semiconductors, pca9691 Datasheet
pca9691
Manufacturer Part Number
pca9691
Description
8-bit A/d And D/a Converter
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9691.pdf
(28 pages)
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1. General description
2. Features
The PCA9691 is a single chip, single supply, low power, 8-bit CMOS data acquisition
device with four analog inputs, one analog output and a serial I
address pins (A0, A1 and A2) are used for programming the hardware address, allowing
the use of up to 64 PCA9691 devices connected to the I
hardware. Address, control and data to and from the PCA9691 are transferred via the
serial two-line bidirectional I
The functions of the PCA9691 include:
The maximum conversion rate is given by the maximum frequency of the I
I
I
I
I
I
I
I
I
I
I
I
•
•
•
•
PCA9691
8-bit A/D and D/A converter
Rev. 01 — 8 April 2008
8-bit successive approximation A/D conversion
Four analog inputs programmable as single-ended or differential inputs
64 different addresses by three hardware address pins
1 MHz Fast-mode Plus (Fm+) I
Sampling rate given by I
Single supply voltage; operating from 2.5 V to 5.5 V
Low standby current
Analog voltage from V
Multiplying D/A Converter (DAC) with one analog output
On-chip sample and hold circuit
Auto-incremented channel selection
Analog input multiplexing
On-chip sample and hold
8-bit Analog-to-Digital (A/D) conversion
8-bit Digital-to-Analog (D/A) conversion
SS
2
2
C-bus frequency
to V
C-bus.
DD
2
C-bus via serial input/output
2
C-bus without additional
2
C-bus interface. Three
Product data sheet
2
C-bus.
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