參數(shù)資料
型號: DS1844
廠商: Maxim Integrated Products, Inc.
元件分類: 數(shù)字電位計
英文描述: Quad Digital Potentiometer(四路數(shù)字電位器)
文件頁數(shù): 11/12頁
文件大?。?/td> 95K
代理商: DS1844
DS1844
042498 11/12
2–WIRE DATA TRANSFER OVERVIEW
Figure 4
CSTART
SOR REPEATED
START CONDITION
SDA
SCL
MSB
ACK
ACK
1
2
6
7
8
9
1
2
3–8
8
9
SLAVE
ADDRESS
R/W
DIRECTION
BIT
ACKNOWLEDGEMENT
SIGNAL FROM
RECEIVER
ACKNOWLEDGEMENT
SIGNAL FROM
RECEIVER
REPEATED IF
MORE BYTES ARE
TRANSFERRED
COMMAND/CONTROL BYTE
Figure 5
MSB
A2
A1
A0 R/W
0
1
0
1
DEVICE
IDENTIFIER
DEVICE
ADDRESS
READ/WRITE
BIT
LSB
2–WIRE READ PROTOCOL
Figure 6
S
A
R/W=1
0 1 0 1A
2
A
1
A
0
1
A
0 0
POT–0
A
0 1
POT–1
A
1 0
POT–2
S
1 1
POT–3
LSB
MSB
CONTROL
BYTE
LSB
MSB
DATA
BYTE
LSB
MSB
DATA
BYTE
LSB
MSB
DATA
BYTE
LSB
MSB
DATA
BYTE
POTENTIOMETER DATA BYTES ARE READ IN THE ORDER INDICATED.
2–WIRE WRITE PROTOCOLS
Figure 7
S
A
R/W=0
0 1 0 1A
2
A
1
A
0
0
A
0 0
POT–0
A
0 1
POT–1
A
1 0
POT–2
S
1 1
POT–3
LSB
MSB
CONTROL
BYTE
LSB
MSB
DATA
BYTE
LSB
MSB
DATA
BYTE
LSB
MSB
DATA
BYTE
LSB
MSB
DATA
BYTE
POTENTIOMETER DATA BYTES CAN BE LOADED IN ANY ORDER AND IN VARIABLE LENGTHS.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1844_05 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Quad Digital Potentiometer
DS1844-010 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
DS1844-010+ 功能描述:數(shù)字電位計 IC Quad RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
DS1844-050 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
DS1844-050+ 功能描述:數(shù)字電位計 IC Quad RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel