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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)： | 1/12頁 |
| 文件大小： | 95K |
| 代理商： | DS1844 |
DS1844
Quad Digital Potentiometer
DS1844
PRELIMINARY
042498 1/12
FEATURES
Four independent, digitally controlled, 64–position
potentiometers
Two Interface Control Options
– 5–wire serial
– 2–wire addressable
Standard Resistance Values
– DS1844–010 10K
– DS1844–050 50K
– DS1844–100 100K
Mixed Resistor Value Combinations(contact factory
for availability)
Operating Temperature: –40
°
C to +85
°
C
PIN ASSIGNMENT
V
CC
H1
H0
W0
L0
L1
W1
SCL, CLK
SDA, D
IN
A1, D
OUT
1
2
3
4
5
6
7
8
9
10
PS
H2
H3
W3
L3
L2
W2
R/W, A0
A2, RST
GND
20
19
18
17
16
15
14
13
12
11
20–PIN DIP (300 MIL)
20–PIN SOIC (300 MIL)
20–PIN TSSOP (173 MIL)
PIN DESCRIPTION
V
CC
PS
A0, A1, A2
SDA
SCL
R/W
RST
– –3V or 5V Supply
– Port Select
– Device Select Pins (2–Wire)
– Serial Data I/O (2–Wire)
– Serial Clock (2–Wire)
– Read/Write Enable (5–Wire)
–
Serial Port Reset Input
(5–Wire)
– Serial Port Data Input
(5–Wire)
–
Serial Port Clock Input(5–Wire)
– Cascade Data Output
(5–Wire)
–
High–end terminal of pot
–
Low–end terminal of pot
–
Wiper terminal of pot
– Ground
D
IN
CLK
D
OUT
H
0
–H
3
L
0
–L
3
W
0
–W
3
GND
DESCRIPTION
The DS1844 is a four–channel digitally controlled linear
potentiometer. Each potentiometer is comprised of 63
equi–resistive sections and has three terminals acces-
sible to the user. These include the high side terminals,
H
X
, the wiper terminals, W
X
, and the low–side termi-
nals, L
X
.
The wiper position on the resistor ladder is selected via
an 8–bit register value. Communication and control of
the device is supported by two types of serial interface.
These include a 5–wire I/O shift register interface and a
2–wire addressable interface.
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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(fēng)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(fēng)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(fēng)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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