AK2307LV AKM Semiconductor, Inc., AK2307LV Datasheet
AK2307LV
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AK2307LV Summary of contents
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ASAHI KASEI SPEECH CODEC for Digital Key telephone (5.0V/3.3V) GENERAL DISCREPTION AK2307/ integrated LSI with PCM CODEC, Voice path control, MIC amplifier and Handset driver suitable for PBX/KTS digital key telephone, VoIP Telephone. PCM CODEC is compliant to ...
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ASAHI KASEI Handset Mic I/F upto +25dB HANDT4 HANDT1 +14dB HANDT2 +14dB HANDT3 Amp1 External Mic I/F MIC3 MIC1 MIC2 Amp2 DAOUT RAIN 24 steps by 1dB 0 to -23dB Handset Receiver 0dB/+3dB SW4 output SW5 HANDR 150ohm Driver 0dB/+3dB ...
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ASAHI KASEI MS0190-E-05 PIN ASSIGNMENT HANDR 1 28 HEADO 2 27 TOP VIEW VSS 3 26 VDD BCLK DATA 9 20 SCLK 10 19 CSN 11 18 ...
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ASAHI KASEI Pin types; NIN: Normal Input NOUT: Normal Output TOUT: Tri-state output AOUT: Analog output PWR: Power supply AIN: Analog Input Name Type HANDT2 AIN Analog input for Handset microphone HANDT3 AIN Analog input for Handset microphone HANDT1 AOUT ...
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... Warning: Exceeding absolute maximum ratings may cause permanent damage. Normal operation is not guaranteed at these extremes. RECOMMENDED OPERATING CONDITIONS Parameter Power Supplies Analog/Digital power supply( AK2307LV) Analog/Digital power supply( AK2307) Ambient Operating Temperature Frame Sync Frequency Note) All voltages reference to ground : VSS=0V ...
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ASAHI KASEI 1. SERIAL INTERFACE The internal registers can be read/written via serial CPU interface which consists of SCLK, DATA, and CSN pin. 1 word consists of 16bits. The first 3bits are the instruction code which specifies read or write. ...
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ASAHI KASEI WRITE Continuous SCLK CSN SCLK DATA Instruction Code Burst SCLK SCLK can be stoped at “H” level or “L” level at anytime during the write cycle. After resuming ...
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ASAHI KASEI SERIAL ACCESS Serial access can be done by CSN staying “L” during the serise of write cycle. CSN SCLK DATA Instruction Address Code ”0000” READ Continuous SCLK ...
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ASAHI KASEI SERIAL ACCESS Serial access can be done by CSN staying “L” during the serise of read cycle CSN SCLK DATA Address Read Instruction ”0000” DISCORD OF INSTRUCTION ...
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ASAHI KASEI 2. PCM Data Interface AK2307/LV supports 4 PCM data interface modes. - A/u-Law PCM data mode( Long or Short frame) This mode is for interface of 64kbps PCM data which are compressed /extended by A -law or u-law. ...
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ASAHI KASEI 2-2 Timing and format of the PCM interface 2-2-1 u/A-Law PCM data Mode 8 bits PCM data is accommodated in 1 frame( 125us ) defined by 8kHz frame sync signal. Although there are 32 time slots at maximum ...
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ASAHI KASEI 2-2-2 16 bit Linear PCM data mode In this mode the 16 bit linear PCM data are interfaced to the outside. This mode is useful to compress/extend the PCM data by much higher compress rate algorithm than u/A ...
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ASAHI KASEI AK130 B1 Mode 244ns FS BCLK Hi Note)*：Don't care AK130 B2 Mode 244ns FS BCLK Hi Note)*：Don't care MS0190-E-05 125us(8kHz) 8CLK MSB First MSB First ...
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ASAHI KASEI 3. Path and Gain Controls Voice path, gain control of both RX and TX side, and the tone control are controlled from the CPU registers. 3-1. Path control switches; AK2307/LV has 10 analog switches to control the RX ...
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ASAHI KASEI 3-2 Voice path gain Controls AK2307/LV provides the RX and TX voice gain control functions both in analog domain and in digital domain. These gain can be controlled from following five registers. 3-2-1. RX voice path gain controls ...
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ASAHI KASEI RX Digital Volume Control Register Type : Read Write[Address:0011 ADD VRX3 VRX2 VRX1 Default 0 1 VRX[3-0]; RX side digital volume from +6dB to –21dB by 3dB step. when VRX3=1 VRX3=0 VRX3 VRX2 VRX1 0 ...
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ASAHI KASEI RX Handset Volume Control ( Vol 2 ) Register Type : Read Write [Address:0111 D4-D0(V2_4-V2_0)] ADD default 0 0 V2_[4-0]; Analog volume for the RX side Handset output. The gain is variable from ...
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ASAHI KASEI RX Headset Volume Control ( Vol 3 ) Register Type : Read Write [Address:1000 D4-D0(V3_4-V2_0)] ADD default 0 0 V3_[4-0]; Analog volume for the RX side Headset output. The gain is variable from ...
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ASAHI KASEI RX Speaker Volume Control ( Vol 5 ) Register Type : Read Write [Address:1001 D4-D0(V5_4-V5_0)] ADD default 0 0 V5_[4-0]; Analog volume for the RX side Speaker output. The gain is variable from ...
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ASAHI KASEI 3-2-2. TX voice path gain controls TX side voice path has two gain control blocks. One is a analog volume and the other is a digital attenuator after D/A converter. These voice path gains are controlled through the ...
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ASAHI KASEI 3-2-3. Side Tone path gain controls AK2307/LV provides the side tone pass from digital domain. The activation of this pass is set through Path Control 1 register( address=0) and the side tone attenuation is ...
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ASAHI KASEI 4. Tone generator AK2307/LV has two tone generators to generate the service tone, DTMF tone and melody tone. Each generator can select the 42 tone frequencies individ ually, and they are added each other before output from RX ...
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ASAHI KASEI DIVH_[1-0] / DIVL_[1-0]; The dividing factor of the fundamental frequency to get the final tone frequency. Tone frequency = fundamental frequency x dividing factor. Dividing factor DIVx_1 DIVx_0 DIVx ; ...
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ASAHI KASEI functional category of the tone Category Nominal freq. （Hz） Melody 1397 1318 1175 1046 988 880 784 698 659 587 523 494 440 392 DTMF 697 770 852 941 1209 1336 1477 Misc. 726 4k/n 4k/16=250 4k/12=333.33 4k/11=363.64 ...
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ASAHI KASEI 4-2 Tone volume control The volume control of the tone is done through “Tone Volume Control” register. The gain is changed after two tones a re added, thus the signal level of two tone is always same. Only ...
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ASAHI KASEI 5. Power on Reset Power on Reset AK2307/LV automatically generates the internal reset pulse which resets all the circuit that is necessary to start the initialization after the power on re set. The CPU registers are set to ...
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... ASAHI KASEI Unless otherwise noted, guaranteed for VDD=+5.0V+/-5%(AK2307), VDD=+3.3V+/-0.3V(AK2307LV –10 ~ +85 C, FS=8kHz. DC Characteristics Parameter Symbol Power Consumption Idd BCLK=2048kHz Output High Voltage V OH (CMOS level) Output Low Voltage V OL (CMOS level) Input High Voltage1 V IH1 (CMOS level) Input Low Voltage1 ...
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... ASAHI KASEI ◆ AC Characteristics Note) Otherwise specified, Ta=-10℃～+70 degree, VDD=5.0V +/- 5%(AK2307),VDD=3.3V +/- 0.3V(AK2307LV), VSS=0V, FS=8kHz are assumed. All the timing parameters are measured at VOH=VDD-0.5, VOL=0.4V. PCM Interface u/A-law mode（Long Frame ,Short Frame） & Linear PCM mode Items Pin Name ...
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ASAHI KASEI u/A law PCM mode（Long Frame） TFSH TFSS FS BCLK TDX TDX TDX DX TDRS TDRH DR AK130 B1ch/B2ch mode TFSH TFSS TFSH BCLK FBCLK DX DR MS0190-E-05 FFS TFSH FFS TFSS TDX TDX TDRS TDRH ...
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ASAHI KASEI CPU I/F Items Pin Name SCLK frequency SCLK SCLK pulse width SCLK Falling/rising time CSN,SCLK Output delay DATA DATA Setup time CSN DATA Hold time CSN DATA Data write cycle TCS TCSH S CSN WPS WPS SCLK FSCLK ...
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... ASAHI KASEI CODEC Absolute Gain (AK2307:VDD=5.0V +/-5%, AK2307LV:VDD=3.3V +/-0.3V ) Parameter Analog Input Level HANDT4 to DX MIC3 to DX 1020Hz 0dBm0 input Absolute Transmit Gain Analog Output Level DR to DAOUT 1020Hz 0dBm0 input Absolute Receive Gain Maximum Overload Level DR to DAOUT +3.14dBm0 input Gain Tracking ...
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ASAHI KASEI Noise Parameter 1) Idle Channel Noise A!D HANDT2 MIC2 Idle Channel Noise D DAOUT 2) Idle Channel Noise D HANDR1 Note 1) Analog Input = Analog Ground. The gain ...
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... Maximum gain at 1020Hz TX Amp for MIC input Maximum MIC1 output level SINAD<40 dB Gain=25dB at 1020Hz Maximum gain MS0190-E-05 Conditions AK2307LV (150ohm load) (75ohm load) AK2307 (150ohm load) (75ohm load) Conditions AK2307LV (150ohm load) (75ohm load) AK2307 (150ohm load) (75ohm load) Conditions AK2307LV ...
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... VOL4=0dB Output level path 1049Hz VOL4=0dB Input Impedance Pin MIN TYP 70K 100K EXRIN、RAIN 7K 10K HANDT4、MIC3 MS0190-E-05 Conditions MIN AK2307LV 420 AK2307 672 AK2307/LV MAX Unit 150K ohm 15K 34 [AK2307/LV] TYP MAX Unit 500 595 mVrms 800 ...
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ASAHI KASEI l Handset Input Stage l MIC amp Input Stage l Handset Receiver output Stage Single End Output 0.1uF 10uF VSS VSS MS0190-E-05 APPLICATION CIRCUIT EXAMPLE HANDT4 0.1uF HANDT1 100pF 20K 1.0uF HANDT2 1.2K 1.0uF HANDT3 1.2K 100pF 20K ...
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ASAHI KASEI Speaker Amp Output Stage 100pF 100K l Analog Ground, PLLCAP l Power Supplies MS0190-E-05 SPO 10K 0.1uF 1.0uF以上 1.0uF以上 1.0uF以上 1.0uF以上 10uF 0.1uF 10uF 0.1uF 36 [AK2307/LV] Internal RAGND VREF TAGND RAGND PLLCAP VDD VSS AVDD AVSS 2005/12 ...
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... ASAHI KASEI 28pin VSOP Marking (1) Pin#1 indicator (2) Date code: (3) Marketing code: AK2307LV/AK2307 (4) AKM Logo AK2307LV AK2307 MS0190-E-05 PACKAGE XXXXX（5digit） AKM AK2307LV XXXXX XXXXX: AKM AK2307 XXXXX XXXXX: 37 [AK2307/LV] Date Code and Lot# Date Code and Lot# 2005/12 ...
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ASAHI KASEI Package dimensions 28pin VSOP (Unit: mm) *9.8 0 0.22+0.10 -0.05 M 0.12 Seating Plane NOTE: Dimension "*" does not include mold flash. MS0190-E- 0.65 Detail A 1.15 ± 0.10 0.08 38 [AK2307/LV] A 0.15+0.10 ...
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ASAHI KASEI These products and their specifications are subject to change without notice. any use or application, consult the Asahi Kasei Microsystems Co., Ltd. (AKM) sales office or authorized distributor concerning their current status. AKM assumes no liability for infringement ...