X9258
X9258 is Quad Digitally Potentiometers manufactured by Renesas.
Features
- Four potentiometers in one package
- 256 resistor taps/potentiometer 0.4% resolution
- 2-wire serial interface
- Wiper resistance, 40Ωtypical @ V+ = 5V, V- = -5V
- Four nonvolatile data registers for each potentiometer
- Nonvolatile storage of wiper position
- Standby current <5µA max (total package)
- Power supplies
- VCC = 2.7V to 5.5V
- V+ = 2.7V to 5.5V
- V- = -2.7V to -5.5V
- 100kΩ, 50kΩtotal potentiometer resistance
- High reliability
- Endurance: 100,000 data changes per bit per register
- Register data retention
- -
- . . . 100 years
- 24 Ld SOIC, 24 Ld TSSOP
- Dual supply version of X9259
- Pb-free (Ro HS pliant)
Block Diagram
VCC VSS V+ V-
SCL SDA
A0 A1 A2 A3
INTERFACE AND
CONTROL CIRCUITRY
8 DATA
R0 R1
WIPER
COUNTER
REGISTER
R2 R3
(WCR)
POT 0
VH0/RH0
VL0/RL0 VW0/RW0
R0 R1...