isl22512 Intersil Corporation, isl22512 Datasheet

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isl22512

Manufacturer Part Number
isl22512
Description
Single Push Button Controlled Potentiometer Xdcp?
Manufacturer
Intersil Corporation
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
isl22512WFB8Z-TK
Manufacturer:
INTERSIL
Quantity:
101
Part Number:
isl22512WFBZ
Manufacturer:
INTERSIL
Quantity:
20 000
Low Noise, Low Power, 16 Taps, Push
Button Controlled Potentiometer
The Intersil ISL22512 is a three-terminal digitally-controlled
potentiometer (XDCP) implemented by a resistor array
composed of 15 resistive elements and a wiper switching
network. The ISL22512 features a push button control, a
shutdown mode, as well as an industry-leading µTQFN
package.
The push button control has individual PU and PD inputs for
adjusting the wiper. To eliminate redundancy, the wiper
position will automatically increment or decrement if one of
these inputs is held longer than one second.
Forcing both PU and PD low for more than two seconds
activates shutdown mode. Shutdown mode disconnects the
top of the resistor chain and moves the wiper to the lowest
position, minimizing power consumption.
The three terminals accessing the resistor chain naturally
configure the ISL22512 as a voltage divider. A rheostat is
easily formed by floating an end terminal or connecting it to
the wiper.
Ordering Information
ISL22512WFB8Z* (Note 1)
ISL22512WFRU10Z-TK (Note 2)
*Add “-TK” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
NOTE:
1. These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100%
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and NiPdAu
ASE
PD
PU
matte tin plate PLUS ANNEAL - e3 termination finish, which is 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.
plate - e4 termination finish, which is 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.
V
CC
(SUPPLY VOLTAGE)
NUMBER
CONTROL
V
SS
BLOCK
PART
(GROUND)
®
RH
RW
RL
1
22512 WFBZ
GE
V
PU
PD
RH
SS
Data Sheet
PU
PD
V
RH
SS
MARKING
1
2
3
4
1
2
3
4
PART
O
O
(Top View)
(Top View)
µTQFN
SOIC
NC
NC
Single Push Button Controlled Potentiometer (XDCP™)
9
8
7
6
8
7
6
5
V
ASE
RL
RW
CC
1-888-INTERSIL or 1-888-468-3774
V
ASE
RL
RW
CC
R
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
(kΩ)
TOTAL
10
10
Features
• Solid-State Non-Volatile Potentiometer
• Push Button Controlled
• Single or Auto Increment/Decrement
• AUTOSTORE of Last Wiper Position or Manual Store of
• Shutdown Mode
• 16 Wiper Tap Points
• Low Power CMOS
• R
• Packages
• Pb-Free (RoHS Compliant)
Applications
• Volume Control
• LED/LCD Brightness Control
• Contrast Control
• Programming Bias Voltages
• Ladder Networks
RANGE(°C)
- Fast Mode after 1s Button Press
Wiper Position
- Middle Scale Wiper Position on Power-Up
- V
- Terminal Voltage, 0 to V
- Standby Current, 3µA max
- 8 Ld SOIC
- 10 Ld µTQFN (2.1mmx1.6mm)
-40 to +125
-40 to +125
TOTAL
TEMP.
CC
March 24, 2008
All other trademarks mentioned are the property of their respective owners.
= 2.7V to 5.5V
Value = 10k
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
8 Ld SOIC
10 Ld µTQFN
Tape and Reel
Copyright Intersil Americas Inc. 2008. All Rights Reserved
Ω
PACKAGE
(Pb-Free)
CC
ISL22512
M8.15
L10.2.1x1.6A
DWG. #
FN6679.0
PKG.

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isl22512 Summary of contents

Page 1

... Shutdown mode disconnects the top of the resistor chain and moves the wiper to the lowest position, minimizing power consumption. The three terminals accessing the resistor chain naturally configure the ISL22512 as a voltage divider. A rheostat is easily formed by floating an end terminal or connecting it to the wiper. V ...

Page 2

... SS GENERAL 2 ISL22512 ASE BRIEF DESCRIPTION 4-BIT PU UP/DOWN COUNTER PD RH 4-BIT NONVOLATILE RW MEMORY STORE AND RL CONTROL RECALL ASE CIRCUITRY ISL22512 (10 LD µTQFN) TOP VIEW ASE ONE OF THIRTY ...

Page 3

... RESISTOR MODE (Measurements between RW and RL with RH not connected, or between RW and RH with RL not connected) RINL Integral Non-Linearity (Note 15) RDNL Differential Non-Linearity (Note 14) 3 ISL22512 Thermal Information Thermal Resistance (Typical, Notes 0.3 10 Lead µTQFN . . . . . . . . . . . . . . . . . CC 8 Lead SOIC . . . . . . . . . . . . . . . . . . . . Maximum Junction Temperature (Plastic Package +150°C CC Pb-free reflow profile ...

Page 4

... Max Ri Min Ri +165°C + 17. Limits should be considered typical and are not production tested. 18. Parts are 100% tested at +25°C. Temperature limits established by characterization and are not production tested. 4 ISL22512 TEST CONDITIONS W option U option TEST CONDITIONS V = 5.5V, perform wiper move CC operation ...

Page 5

... the AC timing diagram refers to the minimum incremental change in the wiper voltage. Shutdown Mode Timing AUTOSTORE Mode Timing (HIGH) ASE (LOW) WIPER N POSITION 5 ISL22512 GAP FAST t S SLOW * 250ms ...

Page 6

... CC -0. TAP POSITION (DECIMAL FIGURE 3. DNL vs TAP POSITION IN VOLTAGE DIVIDER MODE FOR 10kΩ (W) 0.0030 V = 2.7V 0.0025 CC 0.0020 0.0015 0.0010 0.0005 0 -40 - TEMPERATURE (ºC) FIGURE 5. ZS ERROR vs TEMPERATURE 6 ISL22512 3.0 2.5 2.0 1.5 1 5.5V CC 0.05 0.00 -0.05 -0. FIGURE 4. INL vs TAP POSITION IN VOLTAGE DIVIDER -0 ...

Page 7

... FIGURE 9. END TO END R % CHANGE vs TOTAL TEMPERATURE 300 250 200 V = 2.7V CC 150 100 TAP POSITION (DECIMAL) FIGURE 11. TC FOR RHEOSTAT MODE IN ppm 7 ISL22512 (Continued) 0.5 0.3 0.1 -0.1 -0.3 -0 FIGURE 8. INL vs TAP POSITION IN RHEOSTAT MODE FOR 2. 110 FIGURE 10 ...

Page 8

... RH RL The V ramp rate specification is always in effect. CC Pin Descriptions RH and RL The RH and RL pins of the ISL22512 are equivalent to the fixed terminals of a mechanical potentiometer. The minimum voltage is V and the maximum and RL references the relative position of the terminal in relation to wiper movement direction. ...

Page 9

... Shutdown Mode The ISL22512 enters into Shutdown Mode if both PU and PD inputs are kept LOW for 2 seconds. In this mode, the resistors array is totally disconnected from its RH pin and the wiper is moved to position closest to RL pin, as shown in Figure 13. Note, that PU and PD inputs must be pulled LOW within t time window of 15ms, see “ ...

Page 10

... The lead width “B”, as measured 0.36mm (0.014 inch) or greater above the seating plane, shall not exceed a maximum value of 0.61mm (0.024 inch). 10. Controlling dimension: MILLIMETER. Converted inch dimensions are not necessarily exact. 10 ISL22512 M8.15 (JEDEC MS-012-AA ISSUE C) 8 LEAD NARROW BODY SMALL OUTLINE PLASTIC PACKAGE M B ...

Page 11

... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 11 ISL22512 L10.2.1x1. ...

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