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參數(shù)資料
| 型號： | DS1844S-050+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DIG QUAD 50K 20-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 37 |
| 接片： | 64 |
| 電阻（歐姆）： | 50k |
| 電路數(shù)： | 4 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 750 ppm/°C |
| 存儲器類型： | 易失 |
| 接口： | 2 線串行（設(shè)備位址）或 5 線串行 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC W |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1430 (CN2011-ZH PDF) |
1 of 14
053105
FEATURES
§ Four independent, digitally controlled 64-
position potentiometers
§ Two interface control options
-
5-wire serial
-
2-wire addressable
§ Standard resistance values
-
DS1844-010 10 k
W
-
DS1844-050 50 k
W
-
DS1844-100 100 k
W
§ Mixed resistor value combinations (contact
factory for availability)
§ Operating Temperature Range
- Industrial: -40°C to +85°C
PIN ASSIGNMENT
PIN DESCRIPTION
VCC
- 2.7V to 5.5V
PS
- Port Select
A0, A1, A2 - Device Select Pins (2-Wire)
SDA
- Serial Data I/O (2-Wire)
SCL
- Serial Clock (2-Wire)
R/ W
- Read/Write enable (5-Wire)
RST
- Serial Port Reset Input (5-Wire)
DIN
- Serial Port Data Input (5-Wire)
CLK
- Serial Port Clock Input (5-Wire)
DOUT
- Cascade Data Output (5-Wire)
H0-H3
- High-end Terminal of Pot
L0-L3
- Low-end Terminal of Pot
W0-W3
- Wiper Terminal of Pot
GND
- Ground
DESCRIPTION
The DS1844 Quad Digital Potentiometer is a four-channel, digitally controlled linear potentiometer. Each
potentiometer is comprised of 63 equi-resistive sections and has three terminals accessible to the user.
These include the high side terminals, HX, the wiper terminals, WX, and the low-side terminals, LX. The
wiper position on the resistor ladder is selected via an 8-bit register value. Communication and control of
the device are supported by two types of serial interface. These include a 5-wire I/O shift register
interface and a 2-wire addressable interface.
DS1844
Quad Digital Potentiometer
www.maxim-ic.com
Device Description
PS
1
20
VCC
H2
2
19
H1
H3
3
18
H0
W3
4
17
W0
L3
5
16
L0
L2
6
15
L1
W2
7
14
W1
R/W, A0
8
13
SCL, CLK
A2, RST
9
12
SDA, DIN
GND
10
11
A1, DOUT
20-Pin DIP (300-mil)
20-Pin SOIC (300-mil)
20-Pin TSSOP (173-mil)
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參數(shù)描述 |
|---|---|
| DS1844S-050/T&R | 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 |
| DS1844S-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 |
| DS1844S-050+T&R | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 64POS 50KOHM QUAD 20SOIC W - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC POT DIG QUAD 50K 20-SOIC |
| DS1844S-050+T&R | 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 |
| DS1844S-100 | 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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