X9110

Temperature under bias . . . . . . . . . . . . . . . . -65°C to +135°C
Storage temperature . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Voltage on SCK any address input
with respect to V_SS . . . . . . . . . . . . . . . . . . . . . . . . -1V to +7V
Voltage on V+ (referenced to V_SS) (Note 4) . . . . . . . . . . . . . 10V
Voltage on V- (referenced to V_SS) (Note 4) . . . . . . . . . . . . . -10V
(V+) - (V-) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12V
Any Voltage on R_H/R_L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .V+
Any Voltage on R_L/R_H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .V-
Lead temperature (soldering, 10s). . . . . . . . . . . . . . . . . . 300°C
I_W (10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6mA

The X9110 integrates a single digitally controlled potentiometer (XDCP) on a monolithic CMOS integrated circuit.

The X9110 digital controlled potentiometer is implemented using 1023 resistive elements in a series array. Between each element are tap points connected to the wiper terminal through switches. The position of the wiper on the array is controlled by the user through the SPI bus interface. The potentiometer has associated with it a volatile Wiper Counter Register (WCR) and four non-volatile Data Registers that can be directly written to and read by the user. The contents of the WCR controls the position of the wiper on the resistor array though the switches. Power-up recalls the contents of the default data register (DR0) to the WCR.

The X9110 XDCP 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.