參數(shù)資料
型號: PCF8591T-T
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, PLASTIC, SOT162-1, SO-16
文件頁數(shù): 27/28頁
文件大?。?/td> 139K
代理商: PCF8591T-T
2003 Jan 27
8
Philips Semiconductors
Product specication
8-bit A/D and D/A converter
PCF8591
handbook, full pagewidth
D7
msb
lsb
D6
D5
D4
D3
D2
D1
D0
VAOUT
VDD
VREF
00
VAGND
VSS
01
02
03
04
FE
FF
HEX code
DAC data
register
VAOUT = VAGND +
Di
× 2i
VREF - VAGND
256
MBL827
7
i = 0
Fig.7 DAC data and DC conversion characteristics.
handbook, full pagewidth
MBL828
S
0
A
ADDRESS
DATA BYTE 1
DATA BYTE 2
CONTROL BYTE
12
9
81
91
high impedance state or
previous value held in DAC register
previous value held in
DAC register
value of data byte 1
PROTOCOL
SCL
SDA
VAOUT
time
Fig.8 D/A conversion sequence.
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