xe3006 Semtech Corporation, xe3006 Datasheet
xe3006
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xe3006 Summary of contents
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... ADC and the DAC. The sampling frequency of the ADC and of the DAC can be adjusted from 4 kHz to 48 kHz. The XE3006 also includes the Sandman™ function, which signals whether a relevant voice or audio signal is present for the ADC or DAC. APPLICATIONS • ...
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... Sandman™ Function (XE3006) ............................................................................................................................ 17 5 Specifications ........................................................................................................................................................ 19 5.1 Absolute Maximum Ratings..................................................................................................................................... 19 5.2 Recommended Operating Conditions ..................................................................................................................... 19 5.3 Electrical Characteristics ......................................................................................................................................... 20 6 Application Information ........................................................................................................................................ 27 6.1 Application Schematics – XE3006 .......................................................................................................................... 27 7 Register Description ............................................................................................................................................. 28 7.1 Register Functional Summary ................................................................................................................................. 28 7.2 Register Definitions ................................................................................................................................................. 29 8 Mechanical Information ........................................................................................................................................ 33 8.1 XE3005 package size (TSSOP20) .......................................................................................................................... 33 8.2 XE3005 package size (5x4 uCSP 8 ...
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... DEVICE DESCRIPTION Figure 1: Pin layout of the XE3006 and XE3005 in TSSOP XEMICS TOP VIEW The XE3006 is available in a TSSOP24 package. The XE3005 is available in a TSSOP20 and uCSP® package. Detailed information is found in chapter 8, Mechanical Information. © Semtech 2005 1 1 MCLK MOSI ...
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... Serial audio interface Data Output SDI DI PD Serial audio interface Data Input ZO SPI Master In Slave Out DI PD SPI Serial Clock SPI Slave Select DI PD SPI Master Out Slave Analog Output DO = Digital Output Impedance or Output PD = internal Pull Down 4 XE3005/XE3006 Description www.semtech.com ...
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... C has to be changed. The whole ADC chain can be powered-down through register I. © Semtech 2005 DAC ADC Power Amplifier Serial Audio Interface CODEC DSP / Microcontroller Digital wireless transmission – Bluetooth™ Voice recognition / speech synthesis Figure 3: Typical usage of CODEC 5 XE3005/XE3006 SPI www.semtech.com ...
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... GND Vcc 4 0.1µ 1kΩ 390kΩ 1µF 1µF GND 6 XE3005/XE3006 VDD NRESET VSSA VREG16 VREF VSSA VSSD 1kΩ VREG11 AIN 50 pF (gain is 5) 200 pF (gain is 20) VDD NRESET VSSA VREG16 VREF VSSA VSSD VREG11 AIN ...
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... J. The complete DAC and PA amplifier chain can be powered-down through register I. © Semtech 2005 P Pulse Width Modulator N pwm_in(5:0) bit streams @ 8xFsync @ 256xFsync Figure 6: DAC block diagram pwm_in(5: 1/(8 x Fsync) Figure 7: Examples PWM in and out (not to scale) 7 XE3005/XE3006 XE3005/6 VDDPA P N AOUTP Power Amplifier AOUTN P N VSSPA pwm_in(5: ...
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... The register J is used for the different setups of the serial audio interface. © Semtech 2005 Div_factor BCLK 1 256 kHz 4 256 kHz 1 640 kHz 2 1411.2 kHz supported protocol LFS (Long Frame Sync) LFS, LFS Optimization and SFS (Short Frame Sync) 8 XE3005/XE3006 FSYNC 8 kHz 8 kHz 20 kHz 44.1 kHz www.semtech.com ...
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... When the signal falls below the Reference (time = 9) and remains below the Reference until the off-time counter has reached the off-time, the SMAD signal is changed into the inactive (low) state (time = 10). © Semtech 2005 Serial Audio Interface Σ∆ Decimator modulator Sandman Interface 9 XE3005/XE3006 FSYNC BCLK SDO SMAD www.semtech.com ...
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... SMAD (SMDA © Semtech 2005 Reg I, bit 4 Sandman Interface Serial Audio PWM Interface DAC on-time Figure 10: Illustration of the Sandman™ function. 10 XE3005/XE3006 SMDA VDDPA AOUTP Power amplifier AOUTN VSSPA + reference - reference Time step = 1/fs = 1/FSYNC off-time time www.semtech.com ...
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... As soon as the MCLK signal is present, a counter is activated that counts 2 moment the NRESET is in the high state (VDD). MCLK NRESET Figure 11: Startup sequence and NRESET signal after power-on. The user can use the NRESET pin in 3 different ways and combinations: © Semtech 2005 XE3005/XE3006 21 VDD = 1.8..3.3V VREG16 = 1.6V VREF = 1. 977 ms (MCLK=2.048KHz) ...
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... MCLK, BCLK and FSYNC, the power consumption will reach the standby current of typically 16µA. Use the standard procedure for power up (see start-up and initialization procedure) after a hardware power down and apply your registers setup procedure. © Semtech 2005 delay delay counter low drive MCLK buffer XE3005/6 Figure 12: Codec reset circuitry 12 XE3005/XE3006 NRESET www.semtech.com ...
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... Figure 13: Audio interface timing LFS mode, channel 1 channel 1, sample n FSYNC BCLK n n SDI SDO 15 14 msb Figure 14: Audio interface timing in SFS mode, channel 1 © Semtech 2005 XE3005/XE3006 channel 2, no data lsb channel 2, sample ...
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... Influenced bits of registers Register I(0)=0 Register I(0)=1 Register J(0)=1 Register J(0)=0 Register E( Register E( XE3005/XE3006 channel 2, sample n msb comments MCLKDIV division by 1 MCLKDIV division by 2 SFS protocol LFS protocol ...
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... The SS pin should be kept low during the whole transfer of data. There are three timing constraints: Recovery time (t ) between the falling edge of SS and the falling edge of SCK. - recovery © Semtech 2005 1/F sck … … Figure 16: SPI signal timing 15 XE3005/XE3006 t disable … … www.semtech.com ...
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... MCLK master master msb D(7: msb Figure 17: SPI signal timing in read mode msb D(7:0) 16 XE3005/XE3006 (4:0) lsb lsb read data D(7:0) of address A(4: A(4: lsb 0 lsb 0 lsb www.semtech.com ...
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... SPI interface. If the XE3006 CODEC is used in a system that includes a microcontroller, a DSP link, the outputs of the Sandman™ Interface can be used to bring these devices into standby or sleep mode whenever no audio signal is being processed. In this way, the Sandman™ ...
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... AIN (mV) if gain = 4 0 0.00 128 1.10 256 2. 280 = 10ms, (code = 200). f min scales proportionally with the sampling frequency FSYNC. A min 18 XE3005/XE3006 Comments Sandman disable Sandman disable Sandman disable all registers ≠ zero time for FSYNC = 20kHz max positive value reference max AIN (mV) if gain = 20 0.00 0.27 0.55 M ...
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... All voltages referenced to ground (VSSA and VSSD). Supply voltage, VDD Analog signal peak input voltage, AIN (gain = 20x) Analog signal peak input voltage, AIN (gain = 5x) Differential output load resistance Master clock frequency ADC or DAC conversion rate Operating free-air temperature, TA © Semtech 2005 XE3005/XE3006 Conditions Min Max -0.3 3.65 -65 150 -20 ...
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... PSRR Power supply rejection ratio, input referred Cin Input capacitor Rin Input resistance VIN – VSSA Eg gain error offset error input noise INL Integral non linearity DNL Differential non linearity © Semtech 2005 XE3005/XE3006 Test Min Typ Conditions IO = -360uA 2 2mA VSSD-0.5 VIH = 3.3 V VIL = 0.6 V Test Conditions Min ...
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... MCLK = 5 MHz, ADC off, DAC off MCLK = 12.2880 MHz NRESET mode MCLK = 0 Test Conditions Min ADC off, DAC off MCLK = 5 MHz, ADC off, DAC off MCLK = 12.2880 MHz NRESET mode MCLK = 0 21 XE3005/XE3006 Typ Max Unit µs 150 Typ Max Unit 1 ...
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... FSYNC = 20 kHz, no load ADC off, DAC on FSYNC = 20 kHz, no load Test Conditions Min ADC on, DAC on FSYNC = 48 kHz, no load ADC on, DAC off FSYNC = 48 kHz, no load ADC off, DAC on FSYNC = 48 kHz, no load 22 XE3005/XE3006 Typ Max Unit µA 350 700 µA 240 480 µA 120 ...
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... LFS and 20, 21 for SFS © Semtech 2005 Test Min Conditions 1024 45 T/4 T 10pF T/4 Load T/4 BCLK T /4 BCLK T /4 BCLK T /4 BCLK T /4 BCLK 23 XE3005/XE3006 Typ Max Unit 5.12 33 MHz 32xFSYNC MHz MCLK BCLK ns ns ...
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... FSYNC 10 SDI D15 D14 D13 D12 D11 SDO D15 D14 D13 D12 D11 © Semtech 2005 Figure 18: LFS, timing diagram 11 D10 D10 Figure 19: LFS, zoom timing diagram 24 XE3005/XE3006 www.semtech.com ...
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... D15 D14 D13 D12 D11 SDI SDO D15 D14 D13 D12 © Semtech 2005 Figure 20: SFS, timing diagram 11 D10 D11 D10 Figure 21: SFS zoom timing diagram 25 XE3005/XE3006 www.semtech.com ...
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... SCK MISO MOSI © Semtech 2005 Test Conditions SCK C = 10pF Load Figure 22: Serial Peripheral Interface timing 26 XE3005/XE3006 Min Typ Max MCLK 125 SCK T /4 SCK T /4 SCK ...
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... APPLICATION INFORMATION 6.1 APPLICATION SCHEMATICS – XE3006 6.1.1 Typical Application schematic 0.1µF 1µF 1µF Figure 23: Typical Application with 3 6.1.2 External components required for optimal performances The following minimum set-up of external components is required: • Capacitor for Vref: 1 µF • Resistor for Vref: 390 kΩ • ...
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... Sandman™ function, reference for ADC. The data in this register has the following function: • Define reference amplitude for ADC for Sandman™ function Sandman™ function, reference for DAC. The data in this register has the following function: • Define reference amplitude for DAC for Sandman™ function 28 XE3005/XE3006 www.semtech.com ...
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... The registers and J can be used to configure the XE3005 and XE3006 differently than the default setup. The registers and P are related to the Sandman™ function available in the XE3006. ...
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... AD converter (Preamp + ADC + decimator Division factor of the master clock: 00: 1 01: 2 10: reserved 11: 4 The default is depending on the logic value of the pin SS during startup (see Section 3.2) SS=0, default will be set to 1 SS=1, default will be set XE3005/XE3006 Description Description www.semtech.com ...
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... SM_OFF_LSB 00000000 Default off-time, value 0x00 00000000 Default on-time value 0x00 SM_ON 00000000 31 XE3005/XE3006 Description Least significant byte of the off-time of the Sandman™ function Description Most significant byte of the off-time of the Sandman™ function Description On-time of the Sandman™ function www.semtech.com ...
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... Sandman™ function, address 0x0F reference for DAC 7:0 © Semtech 2005 Default value 0x00 SMAD_REF 00000000 Default value 0x00 SMDA _REF 00000000 32 XE3005/XE3006 Description Reference amplitude for ADC for Sandman™ function Description Reference amplitude for DAC for Sandman™ function www.semtech.com ...
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... Plastic Thin Shrink Small Outline Package, 20 leads, body width: 4.4 mm © Semtech 2005 0.2 6.6 4.5 6.6 0.75 0.65 1.0 0.1 6.4 4.3 6.2 0.50 Figure 24: TSSOP20 33 XE3005/XE3006 detail 0.4 0.5 8 0.2 0.13 0.1 o 0.3 0.2 0 www.semtech.com ...
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... PACKAGE OUTLINE of the XE3005 uCSP 2.745 3.225 0.37 1.95 max ± 0.075 ± 0.125 Figure 25: 5x4 uCSP Ultra Chip Scale Package balls array. 34 XE3005/XE3006 ® GE OUTLINE of the XE300 BOTTOM VIEW 0.325 2.40 0.65 0.60 ± 0.075 ± 0.125 ® www.semtech.com ...
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... XE3006 PACKAGE SIZE (TSSOP24 pin 1 index DIMENSIONS (mm are the origina l dimensions) A UNIT max. 0.15 0.95 0.30 mm 1.10 0.25 0.05 0.80 0.19 Plastic Thin Shrink Small Outline Package with 24 leads and a body width of 4.4 mm. © Semtech 2005 ...
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... XE3005 LAND PATTERN RECOMMENDATIONS (5X4 UCSP Nominal dimensions in mm sion 3.35 0.65 2.82 Figure 27: Land pattern recommendations (5x4 uCSP®) © Semtech 2005 PAD Ø 0.25 PASTE_MASK Ø 0.25 SOLDER_MASK Ø 0.35 PLACEMENT OUTLINE 0.60 0.325 0 36 XE3005/XE3006 ® ) LAND PATT LAND PATTERN RECOMMENDATION ® for the XE3005 uCSP www.semtech.com ...
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... Semtech and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs damages and attorney fees which could arise. Contact Information © Semtech 2005 Semtech Corporation Wireless and Sensing Products Division 200 Flynn Road, Camarillo, CA 93012 Phone (805) 498-2111 Fax : (805) 498-3804 37 XE3005/XE3006 www.semtech.com ...