Cirrus-logic CS4397 User Manual

1Copyright Cirrus Logic, Inc. 2004(All Rights Reserved)http://www.cirrus.comCS439724-Bit, Multi-Standard D/A Converter for Digital AudioFeatures24 B

CS439710 DS333F1SWITCHING CHARACTERISTICS (TA= -10 to 70°C; Logic 0 = AGND = DGND; Logic 1 = VD = 5.25 to 3.0 Volts; CL=20pF) Parameter Symbol Min Ty

CS4397DS333F1 11DSD - SWITCHING CHARACTERISTICS (TA= -10 to 70°C; Logic 0 = AGND = DGND; Logic 1 = VD = 5.25 to 3.0 Volts; CL=20pF) Parameter Symbol M

CS439712 DS333F18X INTERPOLATOR - SWITCHING CHARACTERISTICS (TA= -10 to 70°C; Logic 0 = AGND = DGND; Logic 1 = VD = 5.25 to 3.0 Volts; CL=20pF) Notes:

CS4397DS333F1 13SWITCHING CHARACTERISTICS - CONTROL PORT (TA = 25 °C; VD = 5.25 V to 3.0 Volts; Inputs: logic 0 = AGND, logic 1 = VD, CL = 30 pF)Note

CS439714 DS333F1SWITCHING CHARACTERISTICS - CONTROL PORT (TA = 25 °C; VD = 5.25 V to 3.0 Volts; Inputs: logic 0 = AGND, logic 1 = VD, CL = 30 pF)Note

CS4397DS333F1 152.0 TYPICAL CONNECTION DIAGRAMSCLKAudioDataProcessorExternal ClockMCLKAGNDAOUTR+CS4397SDATAVAAOUTR-+5VAnalog0.1 µF+1 µFModeSelect(Con

CS439716 DS333F13.0 REGISTER DESCRIPTION3.1 DIFFERENTIAL DC OFFSET CALIBRATIONMode Control Register (address 01h)Access:R/W in I2C and SPI.Default:

CS4397DS333F1 173.3 MODE SELECTMode Control Register (address 01h)Access:R/W in I2C and SPI.Default:00000Function:The Mode Select pins determine the

CS439718 DS333F14.0 PIN DESCRIPTION - PCM MODE Reset - RSTPin 1, InputFunction:The device enters a low power mode and all internal state machines reg

CS4397DS333F1 19Serial Clock - SCLKPin 11, InputFunction:Clocks individual bits of serial data into the SDATA pin. The required relationship between t

CS43972 DS333F1TABLE OF CONTENTS1.0 CHARACTERISTICS/SPECIFICATIONS ... 4ANALOG CHAR

CS439720 DS333F1cles in Single Speed, 2304 cycles in Double Speed and 4608 cycles in Quad Speed mode. The bias volt-age on the outputs will be retaine

CS4397DS333F1 21Common Mode Voltage - CMOUTPin 25, OutputFunction:Filter connection for internal bias voltage, typically 50% of VREF. Capacitors must

CS439722 DS333F1Address Bit 1 / Control Data Input - AD1/CDINPin 3, InputFunction:In I2C mode, AD1 is a chip address bit. CDIN is the control data in

CS4397DS333F1 235.0 PIN DESCRIPTION - DSD MODEMaster Clock - MCLKPin 10, InputFunction:The master clock frequency must be either 4x or 6x the DSD dat

CS439724 DS333F16.0 PIN DESCRIPTION - 8X INTERPOLATOR MODEMaster Clock - MCLKPin 10, InputFunction:The master clock frequency must be either 32x, 48x

CS4397DS333F1 257.0 APPLICATIONS7.1 Recommended Power-up Sequence1. Hold RST low until the power supplies, master, and left/right clocks are stable.

CS439726 DS333F18.0 CONTROL PORT INTERFACEThe control port is used to load all the internal settings of the CS4397. The operation of the control port

CS4397DS333F1 27 MAPMSBLSBDATA byte 1byte nR/WMAP = Memory Address Pointer = 0ADDRESSCHIPCDINCCLKCS0010

CS439728 DS333F1M4 M1(DIF1)M0(DIF0)DESCRIPTION FORMAT FIGURE00 0Left Justified, up to 24-bit data02900 1I2S, up to 24-bit data13001 0Right Justified,

CS4397DS333F1 29 -160-140-120-100-80-60-40-2000.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55 0.56 0.57 0.58 0.59 0.6Frequen

CS4397DS333F1 3TABLE OF FIGURESFigure 1. Serial Audio Input Timing ... 10Figure

CS439730 DS333F1-160-140-120-100-80-60-40-2000.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 1Frequency (normalized to Fs)Amplitude dB-160-140-1

CS4397DS333F1 31-100-90-80-70-60-50-40-30-20-100012345678910Frequency (normalized to Fs)Amplitude dB-100-90-80-70-60-50-40-30-20-1002.5 3 3.5 4 4.5 5

CS439732 DS333F1 LRCKSCLKLeft ChannelRight ChannelSDATA +3 +2 +1LSB+5 +4MSB-1 -2 -3 -4 -5 +3 +2 +1LSB+5 +4MSB-1 -2 -3

CS4397DS333F1 339.0 PARAMETER DEFINITIONSTotal Harmonic Distortion + Noise (THD+N)The ratio of the rms value of the signal to the rms sum of all othe

CS439734 DS333F111.0 PACKAGE DIMENSIONSINCHES MILLIMETERSDIM MIN MAX MIN MAXA 0.093 0.104 2.35 2.65A1 0.004 0.012 0.10 0.30B 0.013 0.020 0.33 0.51C 0

CS43974 DS333F11.0 CHARACTERISTICS/SPECIFICATIONSANALOG CHARACTERISTICS (TA = 25 °C; Logic "1" = VD = 5 V; VA = 5V; Logic "0" = D

CS4397DS333F1 5ANALOG CHARACTERISTICS (Continued) Notes: 3. Valid with the recommended capacitor values on FILT+ and CMOUT as shown in Figure 1. Incre

CS43976 DS333F1ANALOG CHARACTERISTICS (Continued) Notes: 4. Response is clock dependent and will scale with Fs. Note that the response plots (Figures

CS4397DS333F1 7ANALOG CHARACTERISTICS - DSD MODE (TA = 25 °C; Logic "1" = VD = 5 V; VA = 5V; Logic "0" = AGND; Full-Scale Output S

CS43978 DS333F1ANALOG CHARACTERISTICS - 8X INTERPOLATOR MODE (TA = 25 °C; Logic "1" = VD = 5 V; VA = 5V; Logic "0" = AGND; Full-Sc

CS4397DS333F1 9DIGITAL CHARACTERISTICS (TA = 25°C; VD = 3.0V - 5.25V)ABSOLUTE MAXIMUM RATINGS (AGND = 0 V, all voltages with respect to ground.)WARNI