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Renesas Electronics Components Datasheet

ISL22313 Datasheet

Single Digitally Controlled Potentiometer

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DATASHEET
ISL22313
Single Digitally Controlled Potentiometer (XDCP™) Low Noise, Low Power, I2C
Bus, 256 Taps
FN6421
Rev 1.00
August 18, 2016
The ISL22313 integrates a single digitally controlled
potentiometer (DCP), control logic 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 wipers are controlled by the user through the
I2C bus 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 control the position of the
wiper. At power up the device recalls the contents of the
DCP’s IVR to the WR.
The ISL22313 also has 14 general purpose non-volatile
registers that can be used as storage of lookup table for
multiple wiper position or any other valuable information.
The ISL22313 features a dual supply, that is beneficial for
applications requiring a bipolar range for DCP terminals
between V- and VCC.
The DCP can be used as a three-terminal potentiometer or
as a two-terminal variable resistor in a wide variety of
applications including control, parameter adjustments, and
signal processing.
Pinout
ISL22313
(10 LD MSOP)
TOP VIEW
SCL
SDA
A1
A0
V-
1O
2
3
4
5
10 VCC
9 RH
8 RW
7 RL
6 GND
Features
• 256 resistor taps
• I2C serial interface
- Two address pins, up to four devices per bus
• Non-volatile EEPROM storage of wiper position
• 14 General Purpose non-volatile registers
• High reliability
- Endurance: 1,000,000 data changes per bit per register
- Register data retention: 50 years @ T+55°C
• Wiper resistance: 70typical @ 1mA
• Standby current <2.5µA max
• Shutdown current <2.5µA max
• Dual power supply
- VCC = 2.25V to 5.5V
- V- = -2.25V to -5.5V
• DCP terminal voltage from V- to VCC
• 10k 50kor 100ktotal resistance
• Extended industrial temperature range: -40 to +125°C
• 10 Lead MSOP
• Pb-free plus anneal product (RoHS compliant)
FN6421 Rev 1.00
August 18, 2016
Page 1 of 15


Renesas Electronics Components Datasheet

ISL22313 Datasheet

Single Digitally Controlled Potentiometer

No Preview Available !

ISL22313
Ordering Information
PART
NUMBER
(Notes 1, 2)
ISL22313TFU10Z (No longer
available, recommended
replacement: ISL22313UFU10Z)
PART
MARKING
313TZ
RESISTANCE
OPTION
(k)
100
TEMP.
RANGE
(°C)
-40 to +125
PACKAGE
(RoHS COMPLIANT)
PKG. DWG. #
10 Ld MSOP
M10.118
ISL22313UFU10Z
313UZ
50
-40 to +125 10 Ld MSOP
M10.118
ISL22313WFU10Z
313WZ
10
-40 to +125 10 Ld MSOP
M10.118
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
Block Diagram
VCC
V-
SCL
SDA
A1
A0
I2C
INTERFACE
POWER UP
INTERFACE,
CONTROL
AND
STATUS
LOGIC
NON-VOLATILE
REGISTERS
WR
VOLATILE
REGISTER
AND
WIPER
CONTROL
CIRCUITRY
Pin Descriptions
MSOP PIN
1
2
3
4
5
6
7
8
9
10
SYMBOL
SCL
SDA
A1
A0
V-
GND
RL
RW
RH
VCC
GND
DESCRIPTION
Open drain I2C interface clock input
Open drain Serial data I/O for the I2C interface
Device address input for the I2C interface
Device address input for the I2C interface
Negative supply pin
Device ground pin
“Low” terminal of DCP
“Wiper” terminal of DCP
“High” terminal of DCP
Power supply pin
RH
RL
RW
FN6421 Rev 1.00
August 18, 2016
Page 2 of 15


Part Number ISL22313
Description Single Digitally Controlled Potentiometer
Maker Renesas
Total Page 15 Pages
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