ISL81487LIB

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ISL81487LIB Application Field and Working Principle

The ISL81487LIB is an advanced mixed signal, low power, 16-bit analogue input peripheral Interface - Drivers, Receivers, Transceivers. It is great for a wide range of application, including audio, industrial and medical control, and communication interface control.

Features of ISL81487LIB

The ISL81487LIB technology is flexible and provides maximum performance with minimum externally visible power consumption. It also combines noise immunity, low power consumption and wide temperature range to satisy the broadest range of applications. This makes it ideal for mobile and power-sensitive applications.

• 16-bit 8-channel analogue I/O (A/D and D/A)
• Programmable sampling rate
• Data formats: SPC, PCM and JESD204B
• Low power consumption (1.8 mA typical)
• Wide temperature range: -40 °C to +125 °C
• Noise immunity: 20 Vp-p

Internal Architecture

The ISL81487LIB architecture is built upon a 16-bit differential pipeline receiver, driver, and transceiver. This consists of 4 built-in analogue input channels and 8-bit differential drivers. The inputs are smoothly filtered and converted to 16-bit digital data. To reduce power consumption the device contains an automatic power down feature. This feature allows the device to be put into a low power mode, disabling the channels when not in use.

Data Formats

The ISL81487LIB supports multiple data formats, including SPC (Single-Pulse Communication), PCM (Pulse Code Modulation) and JESD204B (Joint Electrical Standards). SPC is the most common format used for digital communication, while PCM is used for real time digital audio applications. JESD204B is the standard protocol for JEDEC Integrated Circuits and allows for high speed, low latency data transmission over the JESD204B interface.

Working Principle

The ISL81487LIB is designed with a highly integrated architecture to deliver high performance and low power. The device has two operational states, Normal Mode and Low Power Mode. In Normal Mode, the device remains active and turns its transceivers on, allowing signals from the inputs to flow through the differential pipeline receiver. The input voltages are then converted to 16-bit digital data and stored in internal registers. The data is then transmitted to the output drivers. The device then switches to Low Power Mode and the transceivers are turned off, reducing the power consumption of the device significantly.

Conclusion

The ISL81487LIB is a highly integrated and low power Interface - Drivers, Receivers, Transceivers with wide temperature range and noise immunity. It supports multiple data formats, including SPC, PCM and JESD204B and features an automatic power down mode to reduce power consumption. It is an excellent choice for mobile and power-sensitive applications.

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