MCP2030-I/P

The MCP2030 is a stand-alone Analog Front-End (AFE) device for Low-Frequency (LF) sensing and bidirectional communication applications. The device has eight internal Configuration registers which are readable and programmable, except the read-only STATUS register, by an external device. The device has three low-frequency input channels. Each input channel can be individually enabled or disabled. The device can detect an input signal with amplitude as low as ~1 mVPP and can demodulate an amplitude-modulated input signal with as low as 8% modulation depth. The device can also transmit data by clamping and unclamping the input LC antenna voltage.

• Three input pins for analog input signals
• High input detection sensitivity (3 mVPP, typical)
• High modulation depth sensitivity (as low as 8%)
• Three output selections: - Demodulated data - Carrier clock - RSSI
• Input carrier frequency: 125 kHz, typical
• Input data rate: 10 Kbps, maximum
• 8 internal Configuration registers
• Bidirectional transponder communication (LF talk back)
• Programmable antenna tuning capacitance (up to 63 pF, 1 pF/step)
• Programmable output enable filter
• Low standby current: 4 µA (with 3 channels enabled), typical
• Low operating current: 13 µA (with 3 channels enabled), typical
• Serial Peripheral Interface (SPI™) with external devices
• Supports Battery Back-Up mode and batteryless operation with external circuits
• Industrial and Extended Temperature Range: -40°C to +85°C (industrial)