参数资料
| 型号： | ISL22346WFRT20Z-TK |
| 厂商： | Intersil |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL 128TP LN LP 20-TQFN |
| 标准包装： | 1,000 |
| 系列： | XDCP™ |
| 接片： | 128 |
| 电阻（欧姆）： | 10k |
| 电路数： | 4 |
| 温度系数： | 标准值 ±50 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN（4x4） |
| 包装： | 带卷 (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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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL22346WFV20Z | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD DCP 20LD RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| ISL22346WFV20Z-TK | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD DCP 20LD RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| ISL22346WMVEP | 制造商:Intersil Corporation 功能描述:DGTL POTENTIOMETER 128POS 10KOHM QUAD 20TSSOP - Rail/Tube |
| ISL22346WMVEP-TK | 制造商:Intersil Corporation 功能描述:DGTL POTENTIOMETER 128POS 10KOHM QUAD 20TSSOP - Tape and Reel |
| ISL22349 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Quad Digitally Controlled Potentiometers |
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