WM8714ED/R WOLFSON [Wolfson Microelectronics plc], WM8714ED/R Datasheet

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DESCRIPTION The WM8714 is a high performance stereo DAC designed for audio applications such as DVD, home theatre systems, and digital TV. The WM8714 supports data input word lengths from 16 to 24-bits and sampling rates up to 96kHz. ...

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WM8714 DESCRIPTION ............................................................................................................1 FEATURES..................................................................................................................1 APPLICATIONS ..........................................................................................................1 BLOCK DIAGRAM ......................................................................................................1 PIN CONFIGURATION................................................................................................3 ORDERING INFORMATION .......................................................................................3 PIN DESCRIPTION .....................................................................................................4 ABSOLUTE MAXIMUM RATINGS..............................................................................5 DC ELECTRICAL CHARACTERISTICS .....................................................................6 ELECTRICAL CHARACTERISTICS ...........................................................................6 TERMINOLOGY................................................................................................................. 7 MASTER CLOCK TIMING ................................................................................................. 8 DIGITAL AUDIO INTERFACE............................................................................................ 8 DEVICE DESCRIPTION..............................................................................................9 ...

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... WM8714 PIN CONFIGURATION LRCIN 1 DIN 2 BCKIN 3 WM8714 NC 4 CAP 5 VOUTR 6 GND 7 ORDERING INFORMATION TEMPERATURE DEVICE RANGE WM8714ED -25 to +85 WM8714ED/R -25 to +85 WM8714GED/V -25 to +85 WM8714GED/RV -25 to +85 Note: Reel quantity = 3,000 w 14 MCLK 13 FORMAT 12 DEEMPH MUTE 9 VOUTL 8 VDD PACKAGE o C 14-pin SOIC 14-pin SOIC ...

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WM8714 PIN DESCRIPTION PIN NAME LRCIN Digital input 1 DIN Digital input 2 BCKIN Digital input connect 5 CAP Analogue output 6 VOUTR Analogue output 7 GND Supply 8 VDD Supply VOUTL Analogue output 9 MUTE ...

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WM8714 ABSOLUTE MAXIMUM RATINGS Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at or beyond these limits. Device functional operating limits and guaranteed performance specifications are given under Electrical Characteristics ...

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WM8714 DC ELECTRICAL CHARACTERISTICS PARAMETER Supply range Ground Difference DGND to AGND Supply current Supply current ELECTRICAL CHARACTERISTICS Test Conditions o VDD = 5V, GND = 0V + 48kHz, MCLK = 256fs unless otherwise stated. ...

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WM8714 Test Conditions o VDD = 5V, GND = 0V + 48kHz, MCLK = 256fs unless otherwise stated. A PARAMETER Analogue Output Levels Output level Gain mismatch channel-to-channel Minimum resistance load Maximum capacitance load Output ...

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WM8714 MASTER CLOCK TIMING MCLK Figure 1 Master Clock Timing Requirements Test Conditions o VDD = 5V, GND = 0V + 48kHz, MCLK = 256fs unless otherwise stated. A PARAMETER System Clock Timing Information MCLK ...

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WM8714 DEVICE DESCRIPTION GENERAL INTRODUCTION The WM8714 is a high performance DAC designed for digital consumer audio applications. The range of features make it ideally suited for use in DVD players, AV receivers and other consumer audio equipment. The WM8714 ...

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WM8714 CLOCKING SCHEMES In a typical digital audio system there is only one central clock source producing a reference clock to which all audio data processing is synchronised. This clock is often referred to as the audio system’s Master Clock. ...

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WM8714 RIGHT JUSTIFIED MODE The WM8714 supports word lengths of 16-bits in right justified mode. In right justified mode, the digital audio interface receives data on the DIN input. Audio Data is time multiplexed with LRCIN indicating whether the left ...

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WM8714 HARDWARE CONTROL MODES The WM8714 is hardware programmable providing the user with options to select input audio data format, de-emphasis and mute. MUTE OPERATION Pin 10 (MUTE) controls selection of MUTE directly, and can be used to enable and ...

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WM8714 DE-EMPHASIS CONTROL DEEMPH (pin 12 input control for selection of de-emphasis filtering to be applied. Table 4 De-emphasis Control DIGITAL FILTER CHARACTERISTICS PARAMETER Passband Edge Passband Ripple Stopband Attenuation Table 5 Digital Filter Characteristics w DEEMPH DE-EMPHASIS ...

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WM8714 RECOMMENDED EXTERNAL COMPONENTS VDD + C 1 AGND Hardware Control Audio Serial Data I/F Notes: 1. GND should be connected as close to the WM8714 as possible should be positioned as close to the WM8714 ...

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WM8714 RECOMMENDED ANALOGUE LOW PASS FILTER (OPTIONAL) 4.7k 10uF 1.8k 7.5K + 1.0nF 47k nd Figure 7 Recommended 2 Order Low Pass Filter (Optional) An external low pass filter is recommended (see Figure 7) if the device is driving a ...

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WM8714 PACKAGE DRAWING D: 14 PIN SOIC 3.9mm Wide Body 0.10 (0.004) Dimensions Symbols (MM) MIN MAX A 1.35 A1 0.10 B 0.33 C 0.19 D 8.55 E 3.80 e 1.27 BSC H 5.80 h ...

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