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ISL22346WMVEP bảng dữ liệu(PDF) 1 Page - Intersil Corporation

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Giải thích chi tiết về linh kiện  Low Noise, Low Power I2C짰 Bus, 128 Taps
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1
®
FN6624.0
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. 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ISL22346WMVEP
Quad Digitally Controlled Potentiometers (XDCP™)
Low Noise, Low Power I2C® Bus, 128 Taps
The ISL22346WMVEP 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.
Device Information
The specifications for an Enhanced Product (EP) device are
defined in a Vendor Item Drawing (VID), which is controlled
by the Defense Supply Center in Columbus (DSCC).
“Hot-links” to the applicable VID and other supporting
application information are provided on our website.
Pinout
Features
• Specifications per DSCC VID V62/08605-01XE
• Full Mil-Temp Electrical Performance from -55°C to +125°C
• Controlled Baseline with One Wafer Fabrication Site and
One Assembly/Test Site
• Full Homogeneous Lot Processing in Wafer Fab
• No Combination of Wafer Fabrication Lots in Assembly
• Full Traceability Through Assembly and Test by
Date/Trace Code Assignment
• Enhanced Process Change Notification
• Enhanced Obsolescence Management
• Eliminates Need for Up-Screening a COTS Component
• 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 @ 3.3V
• Shutdown Mode
• Shutdown Current 5µA Max
• Power Supply: 2.7V to 5.5V
•10k
Ω Total Resistance
• High Reliability
- Endurance: 1,000,000 Data Changes Per Bit Per
Register
- Register Data Retention:
- 10 years @ T
≤ +125°C
- 15 years @ T
≤ +90°C
- 50 years @ T
≤ +55°C
• 20 Ld TSSOP
ISL22346WMVEP
(20 LD TSSOP)
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
Ordering Information
VENDOR PART NUMBER
(Notes 1, 2)
VENDOR ITEM DRAWING PART MARKING
RESISTANCE OPTION
(k
Ω)
TEMP.
RANGE (°C)
PACKAGE
PKG.
DWG. #
ISL22346WMVEP
V62/08605-01XE
22346 WMVEP
10
-55 to +125
20 Ld TSSOP M20.173
NOTES:
1. Add “-TK” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
2. Devices must be procured to the VENDOR PART NUMBER.
Data Sheet
December 17, 2007


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