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| BU8761KV Communication ICs CODEC IC for digital mobile phone BU8761KV BU8761KV is a PCM CODEC IC developed for digital mobile phones. This IC incorporates many analog I/O functions such as 14bit precision linear / A-LAW codec, two systems of microphone, amplifiers for receiver and earphone, and data signal I/O circuit. Tone generator that can output maximum 3 chord is incorporated. Applications Digital mobile phones External dimensions (Units*F mm) 9.00.3 7.00.2 36 25 24 13 1 1.4250.1 0.10 0.5 1) +3V single power supply. (VDD=2.7 to 3.3V) 2) 14bit precision linear / A-LAW codec. 3) Transmission filter of the codec block is in conformity to the ITU-T recommendation G.714. 4) Built-in PLL circuit for system clock generation. 5) Built-in DSP I/F which is in conformity with digital mobile phones. 6) Arbitary setting of the clock frequency of PCM data transmission is allowed. / A-LAW 64kHz to 2048kHz Linear 28kHz to 2048kHz 7) Plenty of input / output analog functions : * Two systems of built-in microphone amplifier. (differential input type, single input type) * Built-in speaker amplifier for receiver. (32BTL type) * Built-in speaker amplifier for earphone. (32 single type) * Built-in speaker amplifier for REXT of call receiving system. (600) * Built-in electronic volumes for gain adjustment. (Call-receiving system, call sending system, TONE system) * Built-in input / output circuit for data signal which allows external connection. * Pop noise of REXT earphone and receiver outputs at the time of switching on and off the power supply is reduced by means of soft mute. 8) Tone generator building in that maximum 3 chord output is possible. * DTMF signal, musical scale tone can be generate. * Envelope on/ off the output wave shape can be set up in each part. * SIN wave, rectangle wave can be chosen in the output wave shape. 9) VQFP48 pin package. 9.00.3 7.00.2 37 48 12 0.1250.1 0.5 0.20.1 0.10 VQFP48 1/3 BU8761KV Communication ICs Absolute maximum rating (Unless otherwise noted, Ta = 25C) Parameter Digital power supply voltage Analog power supply voltage Digital pin apply voltage Analog pin apply voltage Input current Power dissipation Storage temperature range Operation temperature range Symbol DVDD RXVDD TXVDD VTD VTA IIN Pd Tstg Ta Limits -0.3 to +4.5 -0.3 to +4.5 -0.3 to +4.5 DVSS-0.3 to DVDD+0.3 RXVSS-0.3 to RXVDD+0.3 TXVSS-0.3 to TXVDD+0.3 -10 to +10 400 -50 to +125 -30 to +85 Unit V V V V V V mA mW C C Drops by 4.0mW per 1C when used at more than Ta=25C. Recommendable operation condition (Unless otherwise noted, Ta = 25C) Parameter Digital power supply voltege Analog power supply voltege Symbol DVDD RXVDD TXVDD Radiation resistance is not included design. Min. 2.7 2.7 2.7 Typ. - - - Max. 3.3 3.3 3.3 Unit V V V Electrical characteristics (Unless otherwise noted, Ta = 25C, DVDD = RXVDD = TXVDD = 3.0V, FSYNC = 8kHz, DCLK = 256kHz, Gain of each attenuator = 0dB) Parameter Symbol IDD1 IDD2 IDD3 Current consumption1 IDD4 IDD5 IDD6 IDD7 IDD8 Digital "H" level input voltage Digital "L" level input voltage Digital "H" level input current Digital "L" level input current Digital "H" level output voltage Digital "L" level output voltage VIH VIL IIH IIL VOH VOL Min. - - - - - - - - 0.8DVDD - - -10 DVDD-0.5 - Typ. 8.0 7.0 6.0 5.4 5.1 3.7 3.3 0.1 - - - - - - Max. 11.5 10.2 8.6 7.8 7.3 5.3 4.8 20 - 0.2DVDD 10 - - 0.5 A V V A A V V VIH=DVDD VIL=0V IOH=-1mA IOL=1mA mA Unit Conditions When all operating Reference, Voice, SPC ON Reference, Voice, EAR ON Reference, Voice, RAMP ON Reference, Voice, ON Reference, Tone, ON Only Reference ON When all power down, FSYNC, DCLK pin fixed 2 2 2 2 2 2 2 1 Supply voltage (DVDD, RXVDD, TXVDD) : 3V. No load for digital and analog output pin. Digital input pin except FSYNC. CLK pin should be connected to DVDD or DVss. Analog input pin should be connected to TXREF or RXREF with appropriate resistance. Soft mute release voltage (SMUTE="0") 2 FSYNC=8kHz, DCLK=256kHz 2/3 BU8761KV Communication ICs Application circuit TEXT C11 for CPU 0.01 TEXTADD TEXTDO R7 TAUDO PLLLPF TEXTDI FSYNC 36 35 34 33 32 31 30 29 28 27 26 MIC2IN MIC2O TXVDD SDA STB SCL 25 SW8 MIC1O Reset + 37 XPRSTB 38 DVDD 39 DVSS 40 PCMOUT SW12 - CPU I / F PLL + Frame Sync 8kHz R8 C10 24 MIC1IN 23 + + R6 C9 C8 R5 + + + + + + 3-TONE DTMF GEN SW0 Amp1 + - 1 2 3 TONE D/A EV3 MIC Amp2 MIC1IP 22 TXVSS 21 TXREF - MIC Amp VREF / COMMON SOFTMUTE EAmp1 EAmp2 SPCOP DSP 41 PCMIN 42 DCLK DSP I / F BPF A/D AAF EV7 EV0 LPF D/A EV1 Fixed "L" 43 CPUSEL EV4 Fixed "L" 44 SW14 SW4 15 7 6 5 ERP0 SPP0 TSTMOD Fixed "L" 45 JAmp EXTSEL TSTIN Amp7 EV6 TSTOUT 47 NC 48 SPOUT Amp3 + RAmp EV5 14 Amp5 EV2 SW9A SW9B Amp4 - + + RXVSS 13 - REXTDO EXTO AUDO ERPO REXTDI AUDVR SPPO RIN ERPN SPPN 1 2 3 + 4 + 5 + 6 7 8 9 10 11 SPCON 12 R2 R4 C5 C6 REXT Power on by REFPON Power on by VCPON Power on by TGPON Power on by VCPON or TGPON Power on by RXPON Power on by SPON Power on by EARON R1 C1 C2 R3 C3 C4 SPEAKER (32) + + - 46 + - + - ERMT SPMT + + + + 20 REFC 19 1 2.2 CODECREF 18 RXREF 17 SMUTE 16 RXVDD 0.22 15 EARO 1 1 - - + + EARPHONE(32) C7 + 3/3 Appendix Notes No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document use silicon as a basic material. Products listed in this document are no antiradiation design. The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction. Appendix1-Rev1.0 |
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