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PDF ( 数据手册 , 数据表 ) ISL22416

零件编号 ISL22416
描述 Single Digitally Controlled Potentiometer
制造商 Intersil Corporation
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ISL22416 数据手册, 描述, 功能
ISL22416
® Single Digitally Controlled Potentiometer (XDCP™)
Data Sheet
June 23, 2006
FN6227.0
Low Noise, Low Power, SPI® Bus, 128 Taps
The ISL22416 integrates a single digitally controlled
potentiometer (DCP) and non-volatile memory on a
monolithic CMOS integrated circuit.
The digitally controlled potentiometer is implemented with a
combination of resistor elements and CMOS switches. The
position of the wiper is controlled by the user through the SPI
serial interface. The 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
DCP’s IVR to the WR.
The DCP can be used as three-terminal potentiometer or as
two-terminal variable resistor in a wide variety of applications
including control, parameter adjustments, and signal
processing.
Pinout
www.DataSheet4U.com
SCK
SDO
SDI
CS
SHDN
ISL22416
(10 LD MSOP)
TOP VIEW
1 10 VCC
2 9 RH
3 8 RW
4 7 RL
5 6 GND
Features
• 128 resistor taps
• SPI serial interface
• Non-volatile storage of wiper position
• Wiper resistance: 70typical @ 3.3V
• Shutdown mode
• Shutdown current 5µA max
• Power supply: 2.7V to 5.5V
• 50kor 10ktotal resistance
• High reliability
- Endurance: 1,000,000 data changes per bit per register
- Register data retention: 50 years @ T 55 °C
• 10 Lead MSOP
• Pb-free plus anneal product (RoHS compliant)
Ordering Information
PART NUMBER
PART MARKING
RESISTANCE OPTION
(k)
TEMP. RANGE
(°C)
PACKAGE
PKG. DWG. #
ISL22416UFU10Z
(Notes 1, 2)
416UZ
50
-40 to +125
10 Ld MSOP
M10.118
(Pb-Free)
ISL22416WFU10Z
(Notes 1, 2)
416WZ
10
-40 to +125
10 Ld MSOP
M10.118
(Pb-Free)
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. Add “-TK” suffix for 1,000 Tape and Reel option
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. 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.







ISL22416 pdf, 数据表
ISL22416
Typical Performance Curves (Continued)
0.4
T=25ºC
0.2
0
-0.2
Vcc =2.7V
Vcc =5.5V
-0.4
-0.6
16 36 56 76 96 116
TAPPOSITION(DECIMAL)
FIGURE 7. DNL vs TAP POSITION IN Rheostat MODE FOR
10k(W)
0.4
T = 25ºC
0.2
0
Vcc = 5.5V
-0.2
-0.4
Vcc = 2.7V
-0.6
16
36 56 76 96
TAP POSITION (DECIMAL)
116
FIGURE 8. INL vs TAP POSITION IN Rheostat MODE FOR
10k(W)
1.00
Vcc = 2.7V
0.50
50k
0.00
-0.50
Vcc = 5.5V
10k
-1.00
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (ºC)
FIGURE 9. END TO END RTOTAL % CHANGE vs
TEMPERATURE
105
90 10k
75
60
45
30
50k
15
0
16
36 56 76
TAP POSITION (DECIM AL)
96
FIGURE 10. TC FOR VOLTAGE DIVIDER MODE IN ppm FOR
10k(W)
300
250
10k
200
150
50k
100
50
0
16 36 56 76 96
TAP POSITION (DECIMAL)
FIGURE 11. TC FOR Rheostat MODE IN ppm FOR 50k(U)
INPUT
OUTPUT
Wiper at Mid Point (position 40h)
RTOTAL = 9.5k
FIGURE 12. FREQUENCY RESPONSE (2.6MHz)
8 FN6227.0
June 23, 2006














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