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): 7/12頁(yè)
文件大?。?/td> 95K
代理商: DS1844
DS1844
042498 7/12
ANALOG RESISTOR CHARACTERISTICS
(–40
°
C to +85
°
C; V
CC
=2.7V to 5.5V)
TYP
MAX
UNITS
PARAMETER
SYMBOL
CONDITION
MIN
NOTES
End–to–End Resistance
–20
+20
%
Absolute Linearity
–0.5
+0.5
LSB
16
Relative Linearity
–0.25
+0.25
LSB
17
–3dB Cutoff frequency
fcutoff
KHz
13
Temperature Coefficient
650
ppm/
°
C
18
2–WIRE ADDRESSABLE INTERFACE
AC ELECTRICAL CHARACTERISTICS
(–40
°
C to +85
°
C; V
CC
=2.7V to 5.5V)
TYP
MAX
UNITS
PARAMETER
SYMBOL
CONDITION
MIN
NOTES
Port Select Setup
t
SETUP
30
ns
20, 22
SCL Clock Frequency
f
SCL
0
0
400
100
KHz
*, 8
**,22
Bus Free Time Between STOP
and START Condition
t
BUF
1.3
4.7
μ
s
*, 8
**,22
Hold Time (repeated) START
Condition
t
HD:STA
0.6
4.0
μ
s
*, 5, 8
**, 22
Low Period of SCL Clock
t
LOW
1.3
4.7
μ
s
*, 8
**,22
High Period of SCL Clock
t
HIGH
0.6
4.0
μ
s
*, 8
**, 22
Data Hold Time
t
HD:DAT
0
0
0.9
μ
s
*, 6, 7,
**, 22
Data Set–up Time
t
SU:DAT
100
250
ns
*, 8
**, 22
Rise Time of Both SDA and
SCL Signals
t
R
20+0.1C
B
300
1000
ns
*, 9
**, 22
Fall Time of Both SDA and
SCL Signals
t
F
20+0.1C
B
300
300
ns
*, 9
**, 22
Set–up time for STOP
Condition
t
SU:STO
0.6
4.0
μ
s
*,
**, 22
Capacitive Load for each Bus
Line
C
B
400
pF
9
* fast mode
** standard mode
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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(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