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PDF ISL22346WM Data sheet ( Hoja de datos )
| Número de pieza | ISL22346WM | |
| Descripción | Quad Digitally Controlled Potentiometers | |
| Fabricantes | Intersil | |
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ISL22346WM
Quad Digitally Controlled Potentiometers (XDCP™)
Data Sheet
November 11, 2011
FN6624.1
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 Logistics Agency (DLA). “Hot-links” to the
applicable VID and other supporting application information
are provided on our website.
Pinout
ISL22346WMVEP
(20 LD TSSOP)
TOP VIEW
RH3
RL3
RW3
A2
SCL
SDA
GND
RW2
RL2
RH2
1
2
3
4
5
6
7
8
9
10
20 RW0
19 RL0
18 RH0
17 SHDN
16 VCC
15 A1
14 A0
13 RH1
12 RL1
11 RW1
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: 70Ω Typical @ 3.3V
• Shutdown Mode
• Shutdown Current 5µA Max
• Power Supply: 2.7V to 5.5V
• 10kΩ 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
Ordering Information
VENDOR PART NUMBER
RESISTANCE OPTION
(Notes 1, 2)
VENDOR ITEM DRAWING PART MARKING
(kΩ)
ISL22346WMVEP
V62/08605-01XE
22346 WMVEP
10
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.
TEMP.
PKG.
RANGE (°C) PACKAGE DWG. #
-55 to +125 20 Ld TSSOP M20.173
1 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, 2011. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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