Description:The Intersil X9313 is a digitally controlled potentiometer (XDCP). The device consists of a resistor array, wiper switches, a control section, and nonvolatile memory. The wiper position is controlled by a 3-wire interface. The potentiometer is implemented by a resistor array composed of 31 resistive elements and a wiper switching network. Between each element and at either end are tap points accessible to the wiper terminal. The position of the wiper element is controlled by the CS, U/D, and INC inputs. The
The recommended operating voltage range for the X9313ZSIZ-3T1 is 2.7V to 5.5V, as specified in the datasheet. However, it's essential to note that the device can tolerate a voltage range of 2.3V to 6.0V for short periods, but prolonged operation outside the recommended range may affect its performance and reliability.
To ensure proper power-up and initialization, follow the recommended power-up sequence: VCC must be applied before VLOGIC, and VCC must be stable before applying VLOGIC. Additionally, the device requires a minimum of 10ms power-on reset pulse to ensure proper initialization.
The X9313ZSIZ-3T1 supports a maximum clock frequency of 400 kHz. However, it's recommended to operate the device at a clock frequency of 100 kHz or lower to ensure reliable operation and minimize power consumption.
To enter power-down mode, set the PWRT bit in the Control Register to '1'. In power-down mode, the device's power consumption is significantly reduced. When exiting power-down mode, the device will return to its previous state, and the PWRT bit will be cleared. Note that the device's registers will retain their values during power-down mode.
The internal pull-up resistors on the X9313ZSIZ-3T1 are used to pull up the SCL and SDA lines to VLOGIC when the device is not driving them. This helps to prevent bus floating and ensures reliable I2C communication. The internal pull-up resistors can be disabled by setting the PU bit in the Control Register to '0'.
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X9313ZSIZ-3T1 Overview
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