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參數(shù)資料
| 型號： | 935276541512 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | 7.50 MM, LEAD FREE, PLASTIC, SOT162-1, SO-16 |
| 文件頁數(shù)： | 13/34頁 |
| 文件大小： | 251K |
| 代理商： | 935276541512 |
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2003 Jan 27
20
Philips Semiconductors
Product specication
8-bit A/D and D/A converter
PCF8591
15 APPLICATION INFORMATION
Inputs must be connected to VSS or VDD when not in use. Analog inputs may also be connected to AGND or VREF.
In order to prevent excessive ground and supply noise and to minimize cross-talk of the digital to analog signal paths the
user has to design the printed-circuit board layout very carefully. Supply lines common to a PCF8591 device and noisy
digital circuits and ground loops should be avoided. Decoupling capacitors (>10
F) are recommended for power supply
and reference voltage inputs.
handbook, full pagewidth
MBL839
I2C bus
AIN0
AIN1
AIN2
AIN3
A0
A1
A2
AOUT
VDD
VSS
VREF
AGND
EXT
OSC
SCL
SDA
VDD
VOUT
+θ
V0
AIN0
AIN1
AIN2
AIN3
A0
A1
A2
AOUT
VDD
VSS
VREF
AGND
EXT
OSC
SCL
SDA
VDD
VOUT
V1
V2
V0
VDD
PCF8591
MASTER
TRANSMITTER
ANALOGUE GROUND
DIGITAL GROUND
Fig.21 Application diagram.
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