4 Revision History
Changes from * Revision (December 2014) to A Revision
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Changed title for clarityGo
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Added PCM1860-Q1, PCM1861-Q1, PCM1862-Q1, PCM1863-Q1, and PCM1864-Q1 devices and associated new content to data sheetGo
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Added AEC-Q100 and high SNR Performance feature bulletsGo
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Added feature bullets to clarify hardware- and software-controlled devicesGo
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Changed one feature subbullet from "Fixed Mic Pregain Select: 20, 32 dB (Analog)" to two subbullets, "Fixed Gain: 12 dB, 32 dB (PCM1860-Q1, PCM1861-Q1)" and "Software-Controlled Gain: (PCM1862-Q1, PCM1863-Q1, PCM1864-Q1, PCM1865-Q1)"Go
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Deleted subbullet, "Additional 1.8 V Core and Interface for Lower Power Consumption"Go
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Deleted feature subbullet, "Zero Crossing PGA Gain Changes"Go
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Changed application bullets to align with automotive applicationsGo
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Changed Description section text to clarify 3.3-V supply, integrated PGA, and additional front-end featuresGo
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Deleted Table 1, Typical Performance (3.3-V Supply, –1 dB-FS Input); redundant contentGo
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Changed Device Comparison Table; updated for clarityGo
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Changed XO (pin 9) I/O from "—" to "O". Go
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Added operating ambient temperature and junction temperature to Absolute Maximum Ratings tableGo
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Changed ground voltage differences range from "AGND, DGND" to "AGND to DGND" Go
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Changed storage temperature max value from 125°C to 150°CGo
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Changed CDM value from ±1500 V to ±750 V and updated ESD Ratings table to align with automotive devicesGo
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Changed "Operating junction temperature range" to "Operating ambient temperature, TA" in Recommended Operating Conditions tableGo
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Changed Thermal Information table to standard automotive formatGo
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Changed Electrical Characteristics: Primary PGA and ADC performance to include secondary ADC performance data, and deleted separate Electrical Characteristics: Secondary ADC Performance table Go
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Added new table note to clarify test condition at 32-dB PGA gainGo
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Added min value of 85 dB to input channel signal-to-noise ratio for 32 dBGo
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Added min value of –76 dB to input channel THD+N, differential input for 32 dB Go
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Deleted "per input pin" and "out of phase" from full-scale voltage input parameter in Electrical CharacteristicsGo
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Changed input channel signal-to-noise ratio, single-ended input value for PCM1865-Q1 from 110 dB to 106 dB; differential conditions used previouslyGo
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Changed "Energysense Detection Threshold" to "Go
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Default Energysense Signal Detection Threshold" in Electrical Characteristics, Secondary ADC PerformanceGo
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Changed secondary ADC sampling rate from "same as audio sampling rate" to min of 8 kHz and max of 192 kHzGo
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Changed Electrical Characteristics, DC conditions from master to slave mode; system clock from 256 × fS to 512 x fSGo
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Changed POWER section of the Electrical Characteristics, DC; updated section structure for clarityGo
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Deleted all rows with XTAL as condition; not required for normal operationGo
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Deleted all rows with Powerdown; not a valid operating mode Go
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Changed AVDD current typ value for 2-channel, 3.3-V, active mode from 16 mA to 18 mAGo
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Changed Total power value for 2-channel, 3.3 V, sleep mode from 24 mW to 17.6 mWGo
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Changed DVDD current for 2-channel, 3.3 V, standby mode from 353 µA to 0.015 mAGo
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Changed Total power for 2-channel, 3.3 V, standby mode for software device from 0.59 mW to 0.64 mW Go
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Changed Total power for 2-channel, 3.3 V and 1.8 V active mode from 68 mW to 69.2 mWGo
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Changed Total power for 4-channel, 3.3 V, active mode from 145 mW to 135.3 mW Go
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Changed Total power for 4-channel, 3.3 V and 1.8 V, active mode from 128 mW to 117.3 mWGo
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Deleted redundant text "Valid with recommended values on analog rails (AVDD, VREF, and so on)" from PSRRGo
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Changed "HPF frequency response" to "HPF –3-dB cutoff frequency" in Electrical Characteristics: Digital FilterGo
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Added maximum BCK frequency rows to Timing Requirements, External Clock tableGo
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Added Figure 3; replaces old Figure 4 with new data for the PCM1865-Q1Go
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Changed Figure 4; now associated to PCM1860-Q1, PCM1862-Q1, PCM1864-Q1Go
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Added new Figure 5; replaces old Figure 5 with new data for the PCM1865-Q1Go
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Changed Figure 6; now associated to PCM1860-Q1, PCM1862-Q1, PCM1864-Q1Go
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Changed all FFT plot X axes from log scale to linear scaleGo
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Added new Figure 7; replaces old Figure 6 with new data for the PCM1865-Q1Go
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Changed Figure 8; now associated to PCM1860-Q1, PCM1862-Q1, PCM1864-Q1Go
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Added new Figure 9; replaces old Figure 7 with new data for the PCM1865-Q1Go
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Changed Figure 10; now associated to PCM1860-Q1, PCM1862-Q1, PCM1864-Q1Go
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Deleted Figure 10, FFT With -1 dBFS InputGo
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Added new Figure 11; replaces old Figure 8 with new data for the PCM1865-Q1Go
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Deleted Figure 11, FFT With –60 dBFS InputGo
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Changed Figure 12; now associated to PCM1860-Q1, PCM1862-Q1, PCM1864-Q1Go
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Added new paragraph to start of Overview section Go
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Added Feature Description section, and moved existing content hereGo
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Changed text in Analog Front End section for clarityGo
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Changed Mic Bias section; internal resistor is a terminating resistorGo
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Deleted Figure 21 and Figure 22 from Mic Bias sectionGo
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Added note stating that clocks are required to be running in order to change PGAGo
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Added text to clarify digital PGA update use in Programmable Gain Amplifier sectionGo
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Added new paragraph to end of Stereo PCM Sources sectionGo
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Changed Figure 30; clock tree updated and correctedGo
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Added new paragraph to target ADC, DSP1 and DSP2 clock rates in Device Clock Distribution and Generation sectionGo
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Changed Clock Configuration and Selection section; relevant to hardware-controlled devices onlyGo
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Added new paragraph regarding register MST_SCK_SRC to Clock Sources for Software-Controlled Devices sectionGo
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Added note ("In Master Mode on..") to Clock Sources for Software-Controlled Devices sectionGo
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Changed Table 7; updated descriptions for clarityGo
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Changed "CLK_DIV_MST_SCK" to "CLK_DIV_SCK_BCK" and "CLK_DIV_MST_BCK" to "CLK_DIV_BCK_LRCK" in Table 7Go
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Changed Figure 31; clock tree updated and correctedGo
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Added "Target Clock Rates for ADC, DSP#1 and DSP#2" sectionGo
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Changed Table 10; corrected PLL values by increasing P and R by 1, and corrected DSP1 clock divider valuesGo
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Changed Table 13; corrected PLL values by increasing P and R by 1, and corrected typo in DSP2 column titleGo
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Added text "The clock tree will also need.." to Software-Controlled Devices ADC Non-Audio MCK PLL Mode sectionGo
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Changed PLL condition for D = 0000 to show 1 MHz ≤ (PLLCKIN / P) ≤ 20 MHz and 1 ≤ J ≤ 63Go
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Changed PLL condition for D ≠ 0000 to show 6.667 MHz ≤ (PLLCLKIN / P) ≤ 20 MHz and 4 ≤ J ≤ 11Go
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Changed register numbers in Software-Controlled Devices Manual PLL Calculation section to align with the register numbers in Table 14Go
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Changed Clock Halt and Error section; clock error moved to Clocks section, and interrupt capability deletedGo
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Added Changing Clock Sources and Sample Rates sectionGo
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Changed Secondary ADC: Energysense and Analog Control section; energysense signal detection not available in active modeGo
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Changed text from "control signals up to 1.65 V" to "control signals up to 4.3 V" in the Secondary ADC Analog Input Range sectionGo
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Changed section title from "Secondary ADC DC Level Change Detection" to "Secondary ADC Controlsense DC Level Change Detection"Go
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Added text to the Secondary ADC Controlsense DC Level Change Detection section; controlsense is available in both active and sleep modesGo
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Added details to the Secondary ADC Controlsense DC Level Change Detection section regarding how to read simple 8-bit values from the secondary ADCGo
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Added new second paragraph to Energysense sectionGo
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Changed paragraph after Figure 35 in Energysense Signal Loss Flag section to clarify contentGo
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Changed Digital Decimation Filters section; clarified two different HPFs in the deviceGo
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Changed text to clarify digital PGA update use in Digital PGA sectionGo
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Changed Interrupt Controller section; deleted clock error as an interrupt sourceGo
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Changed text after Figure 44 in Interrupt Controller section; clarified INT pins all have same logic signalGo
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Added short description in the DIN Toggle Detection sectionGo
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Added Clearing Interrupts sectionGo
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Changed Digital Audio Output 2 Configuration section; DOUT2 not available in TDM mode, only for 4-ch devicesGo
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Added Time Division Multiplex (TDM Support) sectionGo
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Changed location of timing diagrams to Specifications section, and deleted Interface Timing sectionGo
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Changed text in Bypassing the Internal LDO to Reduce Power Consumption section to clarify TDM mode with 1.8-V IOVDD operationGo
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Added text "The I2C control port.." to the I2C Interface sectionGo
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Changed pin numbers in Table 22 from "15, 16, 14" to "23, 24, 25"Go
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Added Real World Software Configuration using EnergySense and Controlsense sectionGo
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Added more detail toProgramming DSP Coefficients on Software-Controlled Devices section, and moved to new locationGo
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Added Hardware Control section Go
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Added Dual PCM186x-Q1 TDM Functionality sectionGo
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Added new paragraph to end of Analog Front-End Circuit For Single-Ended, Line-In Applications sectionGo
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Added design examples and associated subsections to Typical Application sectionGo
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Changed 1.8-V Support section; clarified that both IOVDD and LDO must be driven with 1.8 V in 1.8-V modeGo
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Added Brownout Conditions sectionGo
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Added test condition to step 3 in Power Up Sequence section; (PLL requires < 250 µs)Go
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Changed Layout section for clarity Go
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Deleted old Figure 64, PCM1865-Q1 EVM Signal Partitioning; redundant, and same information shown in Figure 74 Go
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Changed Figure 75 for clarityGo
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Changed "0xFF" to "0xFE" in last sentence of Register Map Description sectionGo
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Changed values for register 3, bits 6-0; changed from "RSV" to correct bit names Go
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Changed bits 4 and 3 from 1 and 0 to RSV, respectively, in register 27Go
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Changed register 44 (0x2C) from reserved ("RSV") to actual bit namesGo
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Changed registers 52 and 53 to registers 51 and 52, respectivelyGo
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Changed TX_WLEN bit option 00 description from "Reserved" to "32-bit" in Page 0, register 11Go
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Changed GPIO0_FUNC for 001 from "SPI MISO (Out:Default)" to "Digital MIC Input 0 (In)" and for 010 from "RESERVED" to "SPI MISO (Out)" in register 16Go
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Changed "DPGA" to "APGA" in description column for bits 3, 2, 1, and 0 in register 25Go
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Changed DIV_NUM default value in page 0, register 33 from "000 0001" to "000 0000"Go
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Changed names and descriptions of master mode clock dividers in registers 37, 38, and 39 for clarityGo
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Changed "Divider" to "Multiplier" in R[3:0] description for register 42Go
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Changed values for R[3:0] from 1, 1/2, 1/3, 1/4, and 1/16 to 1, 2, 3, 4, and 16, respectively Go
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Changed "Divider" to "Multiplier" in J[5:0] description for register 43 Go
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Changed "Divider" to "Multiplier" in D_LSB[7:0] description for register 44Go
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Changed "Divider" to "Multiplier" in D_MSB[5:0] description for register 45Go
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Changed register 52 to register 51Go
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Changed register 53 to register 52Go
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Changed bit 3 from CLKERR to RSV in register 96Go
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Deleted bit 3 from CLKERR to RSV in register 97Go
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Changed default values in page 1: register 1 for bits 4, 2, 1, and 0 from "1" to "0", and updated descriptions for clarityGo