LTC1286IS8 datasheet by Linear Technology

LTC1286IS8 Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that can be used with the LTC1286IS8?
  The maximum clock frequency for the LTC1286IS8 is 20MHz. However, it's recommended to use a clock frequency of 10MHz or less to ensure reliable operation and minimize noise sensitivity.
• How do I ensure accurate conversions with the LTC1286IS8?
  To ensure accurate conversions, make sure to follow proper PCB layout guidelines, use a low-noise power supply, and minimize digital noise coupling to the analog inputs. Additionally, use a stable clock source and ensure that the analog input signals are properly filtered and buffered.
• What is the recommended input range for the LTC1286IS8?
  The recommended input range for the LTC1286IS8 is 0V to VREF (typically 2.5V or 5V). However, the device can tolerate input voltages up to 7V without damage. It's essential to ensure that the input signals are within the recommended range to maintain accuracy and prevent damage to the device.
• How do I handle overvoltage conditions with the LTC1286IS8?
  The LTC1286IS8 has built-in overvoltage protection up to 7V. However, if the input voltage exceeds 7V, it's recommended to use external protection circuitry, such as a voltage clamp or a zener diode, to prevent damage to the device.
• What is the power consumption of the LTC1286IS8?
  The power consumption of the LTC1286IS8 depends on the clock frequency and the operating mode. Typically, the device consumes around 15mW at 10MHz clock frequency and 5V supply voltage. However, this can vary depending on the specific application and operating conditions.