WM8234, Rev 4.0 - Wolfson Microelectronics plc

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WM8234Production DataABSOLUTE MAXIMUM RATINGSAbsolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating ator beyond these limits. Device functional operating limits and guaranteed performance specifications are given under ElectricalCharacteristics at the test conditions specified.ESD Sensitive Device. This device is manufactured on a CMOS process. It is therefore generically susceptibleto damage from excessive static voltages. Proper ESD precautions must be taken during handling and storageof this device.Wolfson tests its package types according to IPC/JEDEC J-STD-020 for Moisture Sensitivity to determine acceptable storageconditions prior to surface mount assembly. These levels are:MSL1 = unlimited floor life at
WM8234Production DataELECTRICAL CHARACTERISTICSTest ConditionsAVDD = LDOVDD = DBVDD = 3.3V , AGND = LDOGND = DBGND= 0V, T A = 25C, MCLK= 23.3MHz unless otherwise stated.PARAMETER SYMBOL TESTCONDITIONSOverall System Specification (including 10-bit ADC, PGA, Offset and CDS functions)MIN TYP MAX UNITConversion rate per channel 5 23.3 MSPSFull-scale input voltage range(see Note 1)ADCFS=0, Max GainADCFS=0, Min Gain0.122.0Vp-pVp-pADCFS=1, Max GainADCFS=1, Min Gain0.183.0Vp-pVp-pInput signal limits (see Note 2) V IN SF_INP=0 AGND-0.3 AVDD+0.3 VSF_INP=1 AGND AGND+1.2 VInput capacitance C IN Inputs to AGND 10 pFFull-scale transition errorZero-scale transition errorGain = 0dB;AGAIN[4:0] = 02(hex)DGAIN[11:0] = 6AB(hex)Gain = 0dB;AGAIN[4:0] = 02(hex)DGAIN[11:0] = 6AB(hex)20 mV20 mVDifferential non-linearity DNL 10-bit 0.5 LSBIntegral non-linearity (pk-pk/2) INL 10-bit 1 LSBChannel to channel gain matching Min Gain 5 %Output noiseMax Gain 15 %Unity Gain(Unused channels grounded)0.3 LSB rmsChannel to channel crosstalk 10-bit +/-0.5 LSBChannel to channel offsetmatchingProgrammable Gain AmplifierBLC disabled 70 210 mVTotal Resolution (Ga + Gd) GT 12 bitsAnalogue Gain Ga 0.6 + 0.3 * AGAIN[4:0] V/VMax gain, each channel (Ga) Ga MAX AGAIN[4:0] = 1F(hex) 9.9 V/VMin gain, each channel (Ga) Ga MIN AGAIN[4:0] = 0(hex) 0.6 V/VDigital Gain Gd DGAIN[11:0] / 2 11 V/VMax gain, each channel (Gd) Gd MAX DGAIN[11:0] = FFF(hex) 2 V/VMin gain, each channel (Gd) Gd MIN DGAIN[11:0] = 400 (hex) 0.5 V/VMax gain, each channel(Ga + Gd)Min gain, each channel(Ga + Gd)Analogue to Digital ConverterGT MAXGT MINAGAIN[4:0] = 1F(hex)DGAIN[11:0] = FFF(hex)AGAIN[4:0] = 0(hex)DGAIN[11:0] = 400 (hex)19.8 V/V0.3 V/VResolution 16 bitsSpeed 70 MSPSNotes:1. Full-scale input voltage denotes the differential input signal amplitude (V IN -VRLC in non-CDS mode, V IN -RESETlevel in CDS mode) that can be gained to match the ADC full-scale input range.2. Input signal limits are the limits within which each input voltage and VRLC reference must lie.wPD, Rev 4.0, January 20139
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Page 15 and 16: WM8234Production DataINPUT VIDEO SA
Page 17 and 18: WM8234Production DataDEVICE DESCRIP
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Page 26 and 27: WM8234LVDS 10-BIT 3PAIR MODEProduct
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Page 36 and 37: WM8234Production DataREGISTER BIT L
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WM8234Production DataREGISTERADDRES
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WM8234REGISTERADDRESSR43 (2Bh)DAC I
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WM8234REGISTERADDRESSR101 (65h)AGC
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WM8234REGISTERADDRESSR132 (84h)VSMP
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WM8234REGISTERADDRESSR140 (8Ch)CK3
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WM8234REGISTERADDRESSProduction Dat
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WM8234REGISTERADDRESSR203 (CBh)Mask
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WM8234Production DataAPPLICATIONS I
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WM8234Production DataPACKAGE DIMENS
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WM8234Production DataREVISION HISTO
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WM8234, Rev 4.0 - Wolfson Microelectronics plc

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