參數(shù)資料
型號(hào)： DS1844
廠商： Maxim Integrated Products, Inc.
元件分類： 數(shù)字電位計(jì)
英文描述： Quad Digital Potentiometer(四路數(shù)字電位器)
文件頁(yè)數(shù)： 6/12頁(yè)
文件大小： 95K
代理商： DS1844
DS1844
042498 6/12
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–1.0V to +7.0V
–40
°
C to +85
°
C; industrial
–55
°
C to +125
°
C
260
°
C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
(–40
°
C to +85
°
C)
UNITS
NOTES
SYMBOL
CONDITION
MIN
TYP
MAX
Supply Voltage
V
CC
+2.7
+5.5
V
1
Resistor Inputs
L, H, W
GND
–0.5
V
+0.5
V
1, 12
DC ELECTRICAL CHARACTERISTICS
PARAMETER
(–40
°
C to +85
°
C; V
CC
=2.7V to 5.5V)
TYP
MAX
UNITS
SYMBOL
CONDITION
MIN
NOTES
Supply Current Active
I
CC
650
μ
A
19
Input Leakage
I
LI
–1
+1
μ
A
Wiper Resistance
R
W
250
500
Ohms
Wiper Current
I
W
1
mA
Input Logic 1
V
IH
0.7V
CC
V
CC
+0.5
V
1, 2
Input Logic 0
V
IL
GND
–0.5
0.3
V
CC
V
1, 2
Input Logic Levels A0, A1, A2
Input Logic 1
Input Logic 0
0.7
V
GND
–0.5
V
+0.5
0.3V
CC
V
11
Input Current each I/O pin
0.4<V
I/O
<0.9V
DD
–10
+10
μ
A
Standby Current
3V
5V
Istby
20
40
80
μ
A
4
Low Level Output Voltage
(SDA)
V
OL1
3 mA sink
current
0.0
0.4
V
V
OL2
6 mA sink
current
0.0
0.6
V
I/O Capacitance
C
I/O
10
pF
Pulse width of spikes which
must be suppressed by the
input filter
t
SP
Fast Mode
0
50
ns
22
D
OUT
Output @ 2.4V
I
OH
–1.0
mA
23, 24
D
OUT
Output @ 0.4V
I
OL
4
mA
23, 24
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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(jì) 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(chǔ)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(jì) 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(chǔ)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(jì) 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(chǔ)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(jì) 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(chǔ)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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