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參數(shù)資料
| 型號： | ISL22346WFV20Z-TK |
| 廠商： | Intersil |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DGTL 128TP LN LP 20-TSSOP |
| 標準包裝： | 1,000 |
| 系列： | XDCP™ |
| 接片： | 128 |
| 電阻（歐姆）： | 10k |
| 電路數(shù)： | 4 |
| 溫度系數(shù)： | 標準值 ±50 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | I²C（設(shè)備位址） |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
1
FN6177.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) and XDCP are registered trademarks of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2006, 2008, 2009. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ISL22346
Quad Digitally Controlled Potentiometers (XDCP)
Low Noise, Low Power I2C Bus,
128 Taps
The ISL22346 integrates four digitally controlled potentiometers
(DCP) and non-volatile memory on a monolithic CMOS
integrated circuit.
The digitally controlled potentiometers are implemented with
a combination of resistor elements and CMOS switches. The
position of the wipers are controlled by the user through the
I2C bus interface. Each potentiometer has an associated
volatile Wiper Register (WR) and a non-volatile Initial Value
Register (IVR) that can be directly written to and read by the
user. The contents of the WR controls the position of the
wiper. At power-up the device recalls the contents of the two
DCP’s IVR to the corresponding WRs.
The DCPs can be used as a three-terminal potentiometers
or as a two-terminal variable resistors in a wide variety of
applications including control, parameter adjustments, and
signal processing.
Features
Four potentiometers in one package
128 resistor taps
I2C serial interface
- Three address pins, up to eight devices/bus
Non-volatile storage of wiper position
Wiper resistance: 70
Ω typical @ V
CC = 3.3V
Shutdown mode
Shutdown current 5A max
Power supply: 2.7V to 5.5V
50k
Ω or 10kΩ total resistance
High reliability
- Endurance: 1,000,000 data changes per bit per register
- Register data retention: 50 years @ T < +55°C
20 Ld TSSOP or 20 Ld TQFN package
Pb-free (RoHS compliant)
Pinouts
ISL22346
(20 LD TSSOP)
TOP VIEW
ISL22346
(20 LD TQFN)
TOP VIEW
RW0
RL0
RH0
SHDN
VCC
A1
A0
RH1
RL1
RW1
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
RH3
RL3
RW3
A2
SCL
SDA
GND
RW2
RL2
RH2
1
2
3
4
6
18
20 19
A2
RL3
RH2
RW1
SCL
SDA
SHDN
RH
0
VCC
8
17
9
GND
RH1
RW0
RL1
A1
15
14
13
12
7
RL0
RH3
16
A0
5
RW3
RL2
11
RW
2
10
O
Data Sheet
September 3, 2009
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| ISL22346WMVEP | 制造商:Intersil Corporation 功能描述:DGTL POTENTIOMETER 128POS 10KOHM QUAD 20TSSOP - Rail/Tube |
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| ISL22349 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Quad Digitally Controlled Potentiometers |
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| ISL22349UFV14Z | 功能描述:IC POT DGTL 128TP LN LP 14-TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 接片:32 電阻（歐姆）:50k 電路數(shù):1 溫度系數(shù):標準值 50 ppm/°C 存儲器類型:易失 接口:3 線串行（芯片選擇，遞增，增/減） 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:SOT-23-6 細型，TSOT-23-6 供應(yīng)商設(shè)備封裝:TSOT-23-6 包裝:帶卷 (TR) |
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