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ISL22419 PDF даташит

Спецификация ISL22419 изготовлена ​​​​«Intersil Corporation» и имеет функцию, называемую «Single Digitally Controlled Potentiometer».

Детали детали

Номер произв ISL22419
Описание Single Digitally Controlled Potentiometer
Производители Intersil Corporation
логотип Intersil Corporation логотип 

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ISL22419 Даташит, Описание, Даташиты
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ISL22419
® Single Digitally Controlled Potentiometer (XDCP™)
Data Sheet
June 28, 2006
FN6311.0
Low Noise, Low Power, SPI® Bus, 128 Taps,
Wiper Only
The ISL22419 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 content of the
DCP’s IVR to the WR.
The DCP can be used as a voltage divider in a wide variety
of applications including control, parameter adjustments, AC
measurement and signal processing.
Pinout
ISL22419
(8 LD MSOP)
TOP VIEW
SCK
SDO
SDI
CS
1
2
3
4
8 Vcc
7 RW
6 SHDN
5 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
• 8 Lead MSOP
• Pb-free plus anneal product (RoHS compliant)
Ordering Information
PART NUMBER
PART MARKING
RESISTANCE OPTION
(k)
TEMP. RANGE
(°C)
PACKAGE
PKG. DWG. #
ISL22419UFU8Z
(Notes 1, 2)
419UZ
50
-40 to +125
8 Ld MSOP
M8.118
(Pb-Free)
ISL22419WFU8Z
(Notes 1, 2)
419WZ
10
-40 to +125
8 Ld MSOP
M8.118
(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.









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ISL22419 Даташит, Описание, Даташиты
Block Diagram
SCK
SDO
SDI
CS
SPI
INTERFACE
ISL22419
VCC
POWER UP
INTERFACE,
CONTROL
AND
STATUS
LOGIC
WR
RW
SHDN
NON-VOLATILE
REGISTERS
Pin Descriptions
MSOP PIN
1
2
3
4
5
6
7
8
SYMBOL
SCK
SDO
SDI
CS
GND
SHDN
RW
VCC
GND
DESCRIPTION
SPI interface clock input
Open Drain Data Output of the SPI serial interface
Data Input of the SPI serial interface
Chip Select active low input
Device ground pin
Shutdown active low input
“Wper” terminal of DCP
Power supply pin
2 FN6311.0
June 28, 2006









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ISL22419 Даташит, Описание, Даташиты
ISL22419
Absolute Maximum Ratings
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Voltage at any Digital Interface Pin
with Respect to GND . . . . . . . . . . . . . . . . . . . . . -0.3V to VCC+0.3
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
Voltage at any DCP pin with Respect to GND . . . . . . . -0.3V to VCC
Lead Temperature (Soldering, 10s) . . . . . . . . . . . . . . . . . . . . . 300°C
IW (10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6mA
Latchup (Note 4) . . . . . . . . . . . . . . . . . . Class II, Level B @+125°C
ESD (HBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5kV
(CDM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1kV
Thermal Information
Thermal Resistance (Typical, Note 3)
θJA (°C/W)
8 Lead MSOP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
130
Maximum Junction Temperature (Plastic Package). . . . . . . . . .150°C
Recommended Operating Conditions
Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . -40°C to 125°C
VCC Voltage for DCP Operation . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Wiper Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -3mA to 3mA
Power Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5mW
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
3. θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
4. Jedec Class II pulse conditions and failure criterion used. Level B exceptions are: using a max positive pulse of 6.5V on the SHDN pin, and using
a max negative pulse of -1V for all pins.
Analog Specifications Over recommended operating conditions unless otherwise stated.
SYMBOL
RTOTAL
PARAMETER
End-to-End Resistance
End-to-End Resistance Tolerance
End-to-End Temperature Coefficient
TEST CONDITIONS
W option
U option
W option
U option
RW
(Note 14)
CW
(Note 14)
Wiper Resistance
Wiper Capacitance
VCC = 3.3V @ 25°C,
wiper current = VCC/RTOTAL
ILkgRW Leakage on RW Pin
Voltage at pin from GND to VCC
VOLTAGE DIVIDER MODE ( measured at RW, unloaded)
INL Integral Non-linearity
(Note 10)
DNL
(Note 9)
Differential Non-linearity
Monotonic over all tap positions
ZSerror
(Note 7)
Zero-scale Error
W option
U option
FSerror
(Note 8)
Full-scale Error
W option
U option
TCV Ratiometric Temperature Coefficient DCP register set to 40 hex
(Notes 11, 14)
TYP
MIN (NOTE 5) MAX
UNIT
10 k
50 k
-20 +20 %
±50 ppm/°C
(Note 14)
±80 ppm/°C
(Note 14)
70
25 pF
2 4 µA
-1 1 LSB
(Note 6)
-0.5 0.5 LSB
(Note 6)
0 1 5 LSB
(Note 6)
0 0.5 2
-5 -1 0 LSB
(Note 6)
-2 -1 0
±4 ppm/°C
3 FN6311.0
June 28, 2006










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