ml50000 Oki Semiconductor, ml50000 Datasheet
ml50000
Related parts for ml50000
ml50000 Summary of contents
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... The ML50000 is an echo canceler with improved characteristics for the speakerphone applications, such as hands-free phones. (The ML50000 can also be used for line echo suppression.) The ML50000 is a low power CMOS LSI device for canceling echo (in acoustic or line systems) generated in the communication path. ...
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... Linear/ P/S SOUT Non–linear WDT * PWDWN * Clock Generator MCKO X1/CLKIN X2 SCKO * * If the ML50000-011 is used in the slave mode, only the diagonally hatched blocks and the pins marked with * are used. ATT Gain Power Adaptive Calculator FIR Filter (AFF) – Center + ATT Clip ...
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... Plastic SSOP Symbol Pin Symbol SIN RIN 16 HD SCK 17 X1/CLKIN SYNC 18 X2 SOUT PWDWN ROUT ML50000 Pin Symbol 22 SYNCO 23 SCKO RST 24 25 WDT MCKO ...
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... Symbol Pin Symbol PD0 29 PD1 30 PD2 31 X1/CLKIN PD3 32 PD4 33 PWDWN PD5 PD6 36 SYNCO PD7 37 PD8 38 PD9 39 PD10 40 PD11 ML50000 Pin Symbol PD12 43 * PD13 44 PD14 45 PD15 X2 46 MCKO SF2 OF1 ...
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... This input signal is loaded in synchronization with the falling edge of the INT signal or the rising edge of the RST signal. I Select signal. This pin selects between the master chip and slave chip when used in a cascade connection. "L": Single chip or master chip "H": Slave chip ML50000 5/26 ...
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... Receive serial data. I Input the PCM signal synchronized to SYNC and SCK. Data is read at the falling edge of SCK. I Clock input for transmit/receive serial data. This pin uses the external SCK or the SCKO. Input the PCM CODEC transmit/receive clock (64 to 2048 kHz). ML50000 6/26 ...
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... External input for the basic clock (17 MHz) or for the crystal oscillator. When the internal sync signal (SYNCO, SCKO) is used, input the basic clock of 19.2 MHz. O Crystal oscillator output. Used to configure the oscilation circuit. Refer to the internal clock generator circuit example. ML50000 7/26 ...
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... Gain control ON "L": Gain control OFF "H" is recommended for echo cancellation. • Slave Chip in a Cascade Connection Fixed at "L" This pin is loaded in synchronization with the falling edge of the INT signal or the rising edge of RST. ML50000 Description 8/26 ...
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... Refer to the control pin connection example. Parallel data output flag. O • Single Chip Connect to SF1. • Master Chip in a Cascade Connection Connect to SF2 of the 1st stage slave chip. • Slave Chip in a Cascade Connection Leave open. Refer to the control pin connection example. ML50000 9/26 ...
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... OZH PD15 to PD0 with pull- OZL OL SS Input other than the above I — DDO PWDWN = "L" I DDS C — — LOAD ML50000 Rating Unit –0 –0 0 –55 to +150 ˚ 2 3 Min. Typ. Max. Unit 2.7 3.3 3.6 V — ...
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... (echo return loss) L RES = ATT, GC, NLP: OFF R = –10 dBm0 kHz band white noise ATT, GC, NLP: OFF T DS ML50000 = 4 5 –40˚C to +85˚C) DD Typ. Min. Max. Unit — 4 — 0 0.4 V 0.1 — ...
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... SD t — — — — — — DRS t — — 52 DRE t 100 — — DIT ML50000 (Ta = –40˚C to +85˚ Unit Min. Typ. Max. — 19.2 — MHz 17.5 — 20 — 52.08 — — 57.14 40 — 20.8 — ...
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... DF MCK t — — WFO MCK t — t — WFI WFO t — 20 — — 10 — FH ML50000 (Ta = –40˚C to +85˚ Unit Min. Typ. Max. — — 111 ns — — — — ns 120 — — — — ...
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... WSO Serial Input Timing SCK SYNC t WSY SIN MSB RIN 7 6 IRLD t t MCH MCL t DCM t DCO t CYO SCK SCK t CYC DIC ML50000 DCM t DSC LSB MSB DIC t WIR 14/26 ...
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... Reset Power Down Timing PWDWN t DPS Internal Operation SCK SCK t CYC *Reset timing can be asynchronous t DIT Initialization Processing Start Note: INT is invalid in the diagonally shaded interval. Power Down ML50000 t DSC t XD High-Z LSB MSB DPE Processing Start 15/26 ...
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... NLP, HCL, HD, ATT, ADP, GC Parallel Output Timing PD15 High OF1 OF2 Parallel Input Timing SF1 SF2 PD15 CYC t *For IRLD output timing, refer to Serial Input Timing DTH t WPD Output Data WFO t WFI Input Data ML50000 High-Z 16/26 ...
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... Semiconductor HOW TO USE THE ML50000 The ML50000 cancels (based on the RIN signal) the echo which returns to SIN. Connect the base signal to the R side and the echo generated signal to the S side. Connection Methods According to Echos Example 1: Canceling acoustic echo (to handle acoustic echo from line input) ...
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... Microphone input For acoustic echo Control Pin Connection Example Single chip connection NLP HCL ADP ATT GC HD PWDWN RST +5 V Asterisk (*) indicates a pin only for the ML50000-011 2-stage cascade connection Master + (slave ¥ 1) NLP HCL ADP ATT GC HD PWDWN RST +5 V ML50000 ...
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... GC HD PWDWN RST INT IRLD SF1 OF1 SF2 OF2 X2 XTAL : 19.2 MHz XTAL C2 GND ML50000 +5 V Slave chip 2 Slave chip 3 MS PD15 MS PD15 NLP NLP HCL PD 0 HCL PD 0 ADP ADP ATT ATT PWDWN PWDWN ...
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... ERL = 6 dB Power supply voltage 5 V 100 150 200 Echo delay time [ms] 0 dBm0 = 0.85 Vrms = 0.8 dBm (600 W) 0 dBm0 = 0.35 Vrms = –6.9 dBm (600 W) 0 dBm0 = 0.5 Vrms = –3.8 dBm (600 W) ML50000 ATT, GC, NLP=OFF ATT, GC=OFF NLP=ON 0 RIN input level [dBm0 Measurement Conditions RIN input = – ...
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... Measurement System Block Diagram White noise generator RIN A 5 kHz A Level meter SOUT PCM RIN ROUT ML50000 PCM SOUT SIN Power supply voltage 5 V 2ch m-law CODEC MSM7533 ML50000 T D PCM A Delay Echo delay time PCM A ATT ERL (echo return loss) 21/26 ...
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... 2 0 0.1 mF R11 = 10 kW ML50000 3V Line input R6 Line output C10 C11 (AG) For cancellation DV of line echo R8 8 SIN 13 ROUT 11 SYNC 10 SCK ...
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... Semiconductor Cascade Connection Example When use the MSM7566 for PCM CODEC. DD The MSM7543 and MSM7566 are pin compatible. ML50000-011GS-2K ML50000-011GS-2K ML50000 23/26 ...
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... After powering ON, be sure to reset. 7. After the power down mode is released (when the PWDWN pin is changed to "H" from "L"), be sure to reset the device this canceler is used to cancel acoustic echoes, an echo attenuation may be less than 30 dB. ML50000 24/26 ...
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... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). ML50000 (Unit : mm) Package material Epoxy resin ...
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... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). ML50000 (Unit : mm) Package material Epoxy resin ...