PCA9691BS/1 NXP Semiconductors, PCA9691BS/1 Datasheet - Page 4

• Manufacturer Part Number: PCA9691BS/1
• Description: IC, ADC/DAC, 8-BIT, I2C, 16-HVQFN
• Manufacturer: NXP Semiconductors

Specifications of PCA9691BS/1

• Brief Features: 8bit Successive Approximation A/D Conversion, Low Standby Current
• Supply Voltage Range: 2.5V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: VQFN
• No. Of: RoHS Compliant
• Ic Function: 8-bit A/D & D/A Converter
• Rohs Compliant: Yes

NXP Semiconductors
Table 3.
7. Functional description
PCA9691_2
Product data sheet
Symbol
AIN0
AIN1
AIN2
AIN3
A0
A1
A2
V
SDA
SCL
OSC
EXT
AGND
VREF
AOUT
V
SS
DD
Pin description
Pin
HVQFN16
(PCA9691BS)
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
[1]
6.2 Pin description
7.1 Addressing
[1]
Each PCA9691 device in an I
device. The address consists of seven programmable bits and one read/write bit. The
address must be set according to
to encode the seven address bits (A[6:0]), where each of the pins can be connected to
V
condition in the I
sets the direction of the following data transfer (see
Fig 5.
DD
, V
The die paddle (exposed pad) is connected to V
SS
TSSOP16
(PCA9691TS)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
, SCL, or SDA. The address is always sent as the first byte after the start
Address byte
2
C-bus protocol. The last bit of the address byte is the read/write bit which
SO16
(PCA9691T)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Rev. 02 — 27 January 2010
msb
A6
2
C-bus system is activated by sending a valid address to the
A5
Table
Type
input
input
input
input
input
input
input
ground
input/output
input
input/output
input
ground
input
output
supply
A4
4. The three input pins (A2, A1, and A0) are used
A3
SS
and should be electrically isolated.
A2
Description
analog input 0
analog input 1
analog input 2
analog input 3
address input 0
address input 1
address input 2
ground supply (analog and digital)
I
I
oscillator signal selection:
oscillator selection input:
DAC analog ground
DAC reference voltage input
analog output
supply voltage
A1
2
2
Figure
C-bus data input and output
C-bus clock input
input, if pin EXT is HIGH
output, if pin EXT is LOW
HIGH: external oscillator
LOW: internal oscillator
A0
001aag465
5,
R/W
8-bit A/D and D/A converter
lsb
Figure
18, and
PCA9691
© NXP B.V. 2010. All rights reserved.
Figure
19).
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