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參數資料
| 型號： | ISL90840 |
| 廠商： | Intersil Corporation |
| 英文描述： | Low Noise, Low Power I2C Bus, 256 Taps |
| 中文描述： | 低噪聲，低功耗I2C總線，256絲錐 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 1127K |
| 代理商： | ISL90840 |
1
FN8086.0
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. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ISL90840
Quad Digitally Controlled Potentiometers (XDCP)
Low Noise, Low Power I
2
C
Bus, 256 Taps
The ISL90840 integrates four digitally controlled
potentiometers (XDCP) 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
I
2
C bus interface. Each potentiometer has an associated
Wiper Register (WR) that can be directly written to and read
by the user. The contents of the WR controls the position of
the wiper.
The DCPs can be used as three-terminal potentiometers or
as two-terminal variable resistors in a wide variety of
applications including control, parameter adjustments, and
signal processing.
Features
Four potentiometers in one package
256 resistor taps - 0.4% resolution
I
2
C serial interface
- Three address pins, up to eight devices/bus
Wiper resistance: 70
typical @ 3.3V
Standby current <5μA max
Power supply: 2.7V to 5.5V
50k
, 10k
total resistance
20 Lead TSSOP
Pb-free plus anneal available (RoHS compliant)
Functional Diagram
Ordering Information
PART NUMBER
PACKAGE
TEMP
RANGE
(°C)
RESISTANCE
OPTION
(
)
ISL90840UIV2027
20 Ld TSSOP
-40 to +85
50K
ISL90840UIV2027Z
(Notes 1 & 2)
20 Ld TSSOP
(Pb-Free)
-40 to +85
50K
ISL90840WIV2027
20 Ld TSSOP
-40 to +85
10K
ISL90840WIV2027Z
(Notes 1 & 2)
20 Ld TSSOP
(Pb-Free)
-40 to +85
10K
NOTES:
1. Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and
100% matte tin plate termination finish, which are RoHS
compliant and compatible with both SnPb and Pb-free soldering
operations. Intersil Pb-free products are MSL classified at Pb-
free peak reflow temperatures that meet or exceed the Pb-free
requirements of IPC/JEDEC J STD-020.
2. Contact factory for availability.
Pinout
ISL90840
(20 LEAD TSSOP)
TOP VIEW
RW0
RL0
RH0
D.N.C.
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
I
2
C
INTERFACE
V
CC
R
H0
R
H1
R
H2
R
H3
GND
R
L0
R
L1
R
L2
R
L3
R
W0
R
W1
R
W2
R
W3
SCL
SDA
A0
A1
A2
Data Sheet
July 27, 2005
相關PDF資料 |
PDF描述 |
|---|---|
| ISL90840UIV2027 | Low Noise, Low Power I2C Bus, 256 Taps |
| ISL90840WIV2027 | Low Noise, Low Power I2C Bus, 256 Taps |
| ISL90840UIV2027Z | Low Noise, Low Power I2C Bus, 256 Taps |
| ISL90840WIV2027Z | Low Noise, Low Power I2C Bus, 256 Taps |
| ISL90841 | Low Noise, Low Power I2C Bus, 256 Taps |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ISL90840_06 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Quad Digitally Controlled Potentiometers (XDCP) |
| ISL90840UAV2027Z | 功能描述:IC POT XDCP QUAD LN LP 20-TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數字電位器 系列:XDCP™ 產品培訓模塊: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:1 溫度系數: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 供應商設備封裝:TSOT-23-6 包裝:帶卷 (TR) |
| ISL90840UAV2027ZT2 | 功能描述:IC POT XDCP QUAD LN LP 20-TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數字電位器 系列:XDCP™ 產品培訓模塊: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:1 溫度系數: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 供應商設備封裝:TSOT-23-6 包裝:帶卷 (TR) |
| ISL90840UIV2027 | 功能描述:IC XDCP QUAD 256T 10KOHM 20TSSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數字電位器 系列:XDCP™ 標準包裝:2,500 系列:XDCP™ 接片:256 電阻（歐姆）:100k 電路數:1 溫度系數:標準值 ±300 ppm/°C 存儲器類型:非易失 接口:I²C（設備位址） 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR) |
| ISL90840UIV2027Z | 功能描述:IC POT DGTL QUAD 50K OHM 20TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數字電位器 系列:XDCP™ 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 接片:256 電阻（歐姆）:100k 電路數:1 溫度系數:標準值 35 ppm/°C 存儲器類型:非易失 接口:3 線串口 電源電壓:2.7 V ~ 5.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應商設備封裝:8-TDFN-EP（3x3） 包裝:剪切帶 (CT) 產品目錄頁面:1399 (CN2011-ZH PDF) 其它名稱:MAX5423ETA+TCT |
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