Product Summary

The WM9715LGEFL/RV is a highly integrated input / output device designed for mobile computing and communications. The WM9715LGEFL/RV can connect directly to a 4-wire or 5-wire touchpanel, mono or stereo microphones, stereo headphones and a mono speaker, reducing total component count in the system. Applications of the WM9715LGEFL/RV are (1)Personal Digital Assistants (PDA); (2)Smartphones; (3)Handheld and Tablet Computers.

Parametrics

WM9715LGEFL/RV absolute maximum ratings: (1)Digital supply voltages (DCVDD, DBVDD): -0.3V to +3.63V; (2)Analogue supply voltages (AVDD, HPVDD, SPKVDD, TPVDD): -0.3V to +3.63V; (3)Touchpanel supply voltage (TPVDD)AVDD: -0.3V to AVDD +0.3V; (4)Voltage range digital inputs DGND: -0.3V to DBVDD +0.3V; (5)Voltage range analogue inputs AGND: -0.3V to AVDD +0.3V; (6)Voltage range touchpanel Inputs X+, X-, Y+ and Y-: TPVDD +0.3V; (7)Voltage range touchpanel Inputs X+, X-, Y+ and Y-: AVDD +0.3V; (8)Voltage range, BMON/AUX3: +5V; (9)Operating temperature range, TA: -25°C to +85°C.

Features

WM9715LGEFL/RV features: (1)On-chip 45mW headphone driver; (2)On-chip 400mW mono speaker driver; (3)Stereo, mono or differential microphone input: Automatic Level Control (ALC); (4)Auxiliary mono DAC (ring tone or DC level generation); (5)Seamless interface to wireless chipset; (6)Resistive touchpanel interface; (7)2 comparator inputs for battery monitoring; (8)Up to 4 auxiliary ADC inputs; (9)1.8V to 3.6V supplies; (10)7x7mm QFN.

Diagrams

WM9715LGEFL/RV pin connection

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