wm8945 Wolfson Microelectronics plc, wm8945 Datasheet
wm8945
Related parts for wm8945
wm8945 Summary of contents
Page 1
... ReTune algorithm can provide acoustic cancellation and selective phase (delay) control of specific frequency bands. The WM8945 is controlled via a I2C or SPI interface. Additional functions include 4-wire Touch Panel controller, Auxiliary ADC, Digital beep generator, Video buffer, programmable GPIO functions, Frequency Locked Loop (FLL) for flexible clocking support and integrated LDO for low noise supply regulation ...
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... WM8945 BLOCK DIAGRAM VBOUT VBREFR VBIN SPKVDD DBVDD DCVDD w Product Brief GPIO1 SDOUT/GPIO4 CIFMODE/GPIO3 CS/GPIO2 SCLK SDA MCLK BCLK LRCLK DACDAT ADCDAT LDOVDD LDOVOUT VMIDC GND MICBIAS Product Brief, October 2009, Rev 1.1 2 ...
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... Product Brief PIN CONFIGURATION The WM8945 is supplied in a 36-pin CSP format. The pin configuration is illustrated below, showing the top-down view from above the chip SPKVDD B SPKOUTR C LINEOUTL D VBREFR E VBIN F MCLK ORDERING INFORMATION ORDER CODE TEMPERATURE RANGE WM8945ECS/R -40°C to +85°C ...
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... WM8945 PIN DESCRIPTION PIN NO NAME A1 SPKVDD A2 LDOVOUT A3 LDOVDD A4 VMIDC SPKOUTR B2 SPKOUTL B3 GND AUX1 C1 LINEOUTL C2 DNC C3 ADCDAT C4 MICBIAS C5 AUX2 C6 IN2L D1 VBREFR D2 VBOUT D3 CS ¯ ¯ /GPIO2 D4 IN1L/DMICDAT D5 DNC D6 DNC E1 VBIN E2 BCLK E3 LRCLK E4 SDOUT/GPIO4 E5 DCVDD E6 SDA F1 MCLK F2 DACDAT F3 GPIO1 ...
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... Storage temperature after soldering RECOMMENDED OPERATING CONDITIONS PARAMETER Digital supply range (Core) Digital supply range (I/O) Analogue supply Speaker supply range Ground w SYMBOL MIN DCVDD 1.71 DBVDD 1.71 LDOVDD 2.4 SPKVDD 1.71 GND WM8945 MIN MAX -0.3V 2.5V -0.3V 4.5V -0.3V DBVDD +0.7V -0.3V LDOVDD +0.7V -40ºC +85ºC -40ºC +150ºC -65ºC +150ºC TYP MAX UNIT 1 ...
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... WM8945 PACKAGE DIMENSIONS B: 36 BALL W-CSP PACKAGE 2.960 DETAIL 2 BOTTOM VIEW bbb Dimensions (mm) Symbols NOM MIN A 0.615 0.7 0.219 0.244 A1 A2 0.361 0.386 2.960 BSC D D1 2.500 BSC E 3.060 BSC E1 2.500 BSC e 0.500 BSC f1 0 ...
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... Wolfson is not liable for any such representations, warranties or liabilities or for any reliance placed thereon by any person. ADDRESS: Wolfson Microelectronics plc 26 Westfield Road Edinburgh EH11 2QB United Kingdom Tel :: +44 (0)131 272 7000 Fax :: +44 (0)131 272 7001 Email :: sales@wolfsonmicro.com w WM8945 Product Brief, October 2009, Rev 1.1 7 ...