The recommended layout and placement for the LTC2488IDE#PBF involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the analog signal sources. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog power plane and a dedicated digital power plane.
To optimize the performance of the LTC2488IDE#PBF in noisy environments, use a low-pass filter on the analog input pins, use a shielded cable for the analog input signals, and consider using a common-mode filter on the analog input signals. Additionally, ensure that the device is properly decoupled and that the power supply is clean and well-regulated.
The maximum sampling rate that can be achieved with the LTC2488IDE#PBF is 15ksps (kilo-samples per second) for a single channel, and 7.5ksps for multiple channels. However, the actual sampling rate may be limited by the system's clock frequency, the analog input bandwidth, and the digital interface speed.
The LTC2488IDE#PBF does not require calibration, as it has an internal calibration circuit that ensures accurate performance over the entire operating temperature range. However, it's recommended to perform a system-level calibration to account for any system-specific errors or offsets.
The power consumption of the LTC2488IDE#PBF depends on the operating mode and the clock frequency. In normal operation, the device consumes around 15mW (milliwatts) at 3.3V supply voltage and 1MHz clock frequency. In shutdown mode, the power consumption is typically around 1μW (microwatts).
LTC2488IDE#PBF datasheet
by Linear Technology
