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| Ordering number : ENA0974A LV2283VB Overview Bi-CMOS IC FM Transmitter IC with Stereo Modulation The LV2283VB is an FM Transmitter IC. MPX block makes stereo modulated, composite signal from L and R sound inputs. RF VCO includes FM modulation function. PLL synthesizer determines RF output frequency with I2C control. Application * Portable Memory Player * Portable HDD Player * Wireless Headphone Features * (Audio) * (RF) * (PLL) * (Bus control) * (Regulator) Pilot tone system stereo modulation, audio attenuation VCO, programmable gain driver amplifier 70 to 110MHz 100kHz step I2C bus control 2.8V LDO regulator Specifications Absolute Maximum Ratings at Ta = 25C Parameter Maximum supply voltage Maximum input voltage Minimum input voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VIN max VIN min Pd max Topr Tstg Ta 85C, Mounted on a specified board* Pin 6 Conditions Ratings 7.0 VCC+0.3 -0.3 500 -40 to +85 -55 to +150 Unit V V V mW C C * Specified board : 114.3mmx76.1mmx1.6mm, glass epoxy circuit board. Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. D2607 MS 20071211-S00002 / D1207 MS PC No.A0974-1/10 LV2283VB Recommended Operating Conditions at Ta = 25C Parameter Recommended supply voltage Operating supply voltage range Symbol VCC VCC op Pin 6 Pin 6 Conditions Ratings 3.3 2.8 to 5.5 Unit V V AC Characteristics Ta = 25C, VCC = 3.3V, I2C bits = Default state, L and R input = 1kHz, 450mVrms, unless otherwise noted Parameter Circuit current Standby current Symbol ICC ISTB Conditions min No input signal, Pin 6 current No input signal, I2C bit "STB" = "1", Pin 6 current Ratings typ 8 max 10 1.0 mA A Unit Audio and MPX Blocks Parameter Maximum audio input Audio input frequency Channel separation Channel balance Total harmonic distortion Pilot tone output level Composite output level Audio mute Audio attenuation adjustment step Crystal oscillator frequency (1) Symbol VA max FAF SEP CB THD PMOD MPXOUT MUTE ATTSTEP FXOSC (1) I2C bit "MUTE" = "1" Conditions min Pin 1 and 24 input Pin 1 and 24 input Pin 7, composite output, LR, RL Pin 7, composite output Pin 7, composite output I2C bits "ST" ="1" 0.5 3.3 30 1.5 20 20 -2 35 0 0.1 0.85 3.8 35 2 76 2.5 2 0.3 1.2 4.3 Ratings typ max 900 15k mVrms Hz dB dB % mVp-p mVrms dB dB kHz Unit I2C bit "ATT2 - ATT0" = "000" to "111", totally 8 steps. Pin 21 and Pin 22 RF Blocks Parameter RF output RF output adjustment step RF frequency Symbol RFOUT RFSTEP FRF Conditions min f = 98MHz, I2C bit "RF2 - RF0" = "011", Pin 12 output I2C bit "RF2 - RF0" = "000" to "111", totally 8 steps. Pin 12 relative output. 100kHz step 70 110 MHz 0.4 0.9 1.4 dB 109 Ratings typ 112 max 115 dBV Unit PLL Blocks Parameter I2C input "High" voltage I2C input "Low" voltage 19kHz output voltage RF input frequency Crystal oscillator frequency (2) External clock frequency Symbol VH VL V19K FPLL FXOSC (2) FEXT Pin 20. 19kHz output. I2C bit "19K" = "1". Load impedance = 47k. Step = 100kHz, See table 1 Pin 16 External clock injection to Pin 13 instead of 16MHz crystal oscillation. When the LSI is standby mode, external clock should be stop. CP output current ICP CP voltage = 1.4V 30 A 1 70 16 24 110 MHz MHz MHz Conditions min 0.8VCC -0.3 0.6VCC 0.8VCC Ratings typ max VCC+0.3 0.2VCC V V Vp-p Unit No.A0974-2/10 LV2283VB Package Dimensions unit : mm (typ) 3287 6.5 24 13 4.4 6.4 1 0.5 (0.5) 0.22 12 0.15 SANYO : SSOP24(225mil) Pin Assignment 0.1 (1.3) 1.5max 0.5 L-INPUT 1 L-CAP 2 GND 3 MPX+B 4 GND 5 VCC 6 COMPOSITE OUT 7 CP OUT 8 GND 9 VCO 10 RF+B 11 RF OUT 12 24 R-INPUT 23 R-CAP 22 76K OSC IN 21 76K OSC OUT 20 19K OUT 19 COUNTER RESET 18 SDA 17 SCL 16 XTAL 15 GND 14 PLL+B 13 GND No.A0974-3/10 LV2283VB Block Diagram COUNTER RESET 76K OSC OUT 76K OSC IN 19K OUT R-INPUT R-CAP PLL+B XTAL GND 24 23 22 21 20 19 18 17 16 15 14 13 Preemphasis Switch 38kHz 38kHz X'tal OSC (19K) VCC Shift Register (R6-R0) X'tal OSC (RF2-RF0) (P10-P0) 1/2 reset 1/2 reset 100k (MUTE,ST) 19kHz (ATT2-ATT0) Phase DET (PILOT) P-Counter R-Counter Switch Preemphasis Attenuator 2.8V Regulator Charge Pump VCO 1 L-INPUT 2 L-CAP 3 GND 4 MPX+B 5 GND 6 VCC 7 COMPOSITE OUT 8 CP OUT 9 GND 10 VCO 11 RF+B 12 RF OUT EXTERNAL CLOCK INPUTT 100nF 14 13 11 12 390nH RF OUT 100nF No.A0974-4/10 AC Testing Circuit 19K OUT SW1 a R-INPUT + b 1F 24 23 76KHz 22 21 20 47k 1F 19 COUNTER RESET VCC SW4 16MHz 3.3k SDA 18 17 3.3k SCL 16 270pF 15 SW5 SG INPUT 1 SW2 a L-INPUT + 1F b 2 3 4 + 10F 5 6 7 1F SW3 b 8 9 10 VCC 100nF a Stereo DEC COMP-OUT R-OUT L-OUT VA GND SDA SCL LV2283VB Pin Description Pin No. 1 Pin Name L-INPUT DC Voltage (V) 0 Description Left channel input. If audio source DC voltage is not 0V, AC coupling capacitance is required. Pre-emphasis capacitance should be required between pin 1 (24) and 2 (23). Equivalent Circuit 6 4 1 24 50k 1k 2 23 5 2 3 4 L-CAP GND MPX+B 0 0 2.8 LDO regulator output for audio frequency and MPX blocks. External decoupling capacitance is required. See Pin 1 10k 6 4 5 5 6 7 GND VCC COMPOSITE OUT 0 3.3 0.05 Stereo modulated output. 6 4 12k 7 2k 5 8 CP OUT Charge pump current output. 6 11 30A 8 30A 9 9 GND 0 Continued on next page. No.A0974-5/10 LV2283VB Continued from preceding page. Pin No. 10 Pin Name VCO DC Voltage (V) 2.2 oscillator. Description Transistor BASE terminal for Colpitz Equivalent Circuit 6 11 10 9 11 RF+B 2.8 LDO regulator output for RF blocks. 6 11 5 12 RF OUT 2.8 Collector output. Inductance should be connected Between pin 11 and pin 12 for getting resonant frequency and making pin12 DC bias 2.8V. 6 11 450 12 20 13 13 14 GND PLL+B 0 2.8 LDO regulator output for digital blocks. 6 14 5 15 GND 0 Continued on next page. No.A0974-6/10 LV2283VB Continued from preceding page. Pin No. 16 Pin Name XTAL DC Voltage (V) 2.0 Description 16MHz crystal is needed for PLL reference frequency. If external clock is injected to Pin 16, frequency should be from 1MHz to 24MHz and N (integer) x 200kHz. When the IC is Standby mode, external clock should be stop. Equivalent Circuit 6 14 16 15 17 SCL I2C clock input. 6 17 CMOS Logic Input 15 18 SDA I2C data input. 6 18 CMOS Logic Input 15 19 COUNTER RESET 3.3 Usually pin 19 should be kept "Logic High" or opened (pull up 100k makes pin 19 "Logic High" automatically). When pin 19 is "Logic Low" level, internal frequency counter from 76kHz to 19kHz is reset. 6 100k 19 1k CMOS Logic Input 15 20 19K OUT 19kHz output (same phase as pilot tone). When I2C bit "19K"=0, Pin 20 is kept "Logic Low" level. 6 20 CMOS Logic Output 15 21 76K OSC OUT 2.0 For stereo modulator pilot signal and sub carrier. 76kHz crystal should be connected between Pin 21 and Pin 22 6 14 21 1k 1M 22 1k 15 Continued on next page. No.A0974-7/10 LV2283VB Continued from preceding page. Pin No. 22 23 24 Pin Name 76K OSC IN R-CAP R-INPUT DC Voltage (V) 0.7 0 0 See Pin 21 See Pin 1 See Pin 1 Description See Pin 21 See Pin 21 See Pin 21 Equivalent Circuit I2C Bus Definition Table 1. I2C Bus Write Data Format Name Address Byte Byte MSB (1) 1 AD7 1 Control Byte 1 2 P10 0 Control Byte 2 3 P2 1 Control Byte 3 4 RES1 0 Control Byte 4 5 R6 1 (1) : MSB is transmitted first. AD6 1 P9 1 P1 0 RES0 0 R5 0 AD5 0 P8 1 P0 0 RF2 1 R4 1 AD4 1 P7 1 19K 0 RF1 1 R3 0 AD3 0 P6 1 ST 1 RF0 1 R2 0 AD2 0 P5 0 PILOT 1 ATT2 0 R1 0 AD1 0 P4 1 STB 0 ATT1 1 R0 0 Bit LSB R/W 0 P3 0 MUTE 0 ATT0 1 TEST 0 A A A A A ACK Table 2. I2C Write Mode Description Bit AD7 - AD1 R/W A P10 - P0 Name Address bit Read/Write Acknowledge Programmable counter 11 bit Programmable counter. P0 = LSB, P10 = MSB. RF Frequency = (P10x210 + P9x29 + ... P1x21 + P0) x 100kHz Default state = "01111010100" (980) 19K ST PILOT STB MUTE RES1, RES0 RF2 - RF0 ATT2 - ATT0 R6 - R0 19kHz output MONO/ST selection Pilot tone output Standby Audio mute Reserved bits RF output adjustment Audio attenuator Reference counter 19K OUT (Pin 20) ON / OFF. "19K" = "0" for no output. "1" for 19kHz output (same phase as pilot tone). Default state = "0" Monaural/Stereo transmission mode selection. "ST" is set "0" for monaural mode (no pilot tone), "1" for stereo transmission. Default state = "1" "1" for normal operation (default). "0" for NO pilot tone in composite output even if ST bit = "1" (Stereo mode). "1" for standby mode. Default state = "0" for normal operation. "1" for Audio mute. Default state = "0" for normal operation. Reserved bits. Default state = "00" for normal operation. RF output voltage adjustment with 8 degree, 1dB steps. "RF2, RF1, RF0" = "111" for maximum. "000" is minimum RF output. Default state = "111" Audio attenuator for FM modulation fine adjustment is set by "ATT2, ATT1, ATT0" with 8 degree, 2dB steps. "111" is for 0dB attenuation. "000" is for 14dB attenuation. Default state = "011". 7 bit Programmable counter. R0 = LSB, R6 = MSB. Reference frequency should be set 100kHz. {Crystal oscillator frequency (Pin 16)} / {(R6x26 + R5x25 ... + R1x21 + R0) x 2} = 100kHz. Default state = "1010000" (80 x 2). TEST Test mode For IC testing. Set "0" for normal operation. "1" for counter testing mode. Default state = "0" LV2283VB requires address bits. "0" for Write mode (Write mode only). Description No.A0974-8/10 LV2283VB I2C Bus Operation Serial I/F Bus Controller (Master) SDA SCL LV2283VB (Slave) Address Byte Control Byte 1 Control Byte 4 Master S6543210W 76543210 76543210 F MSB MSB First LSB MSB LSB MSB LSB Slave A A A S Start condition F Stop condition A Acknowledge Time chart tBUF tHD ; STA tSU ; DAT tSU ; STO SDA SCL Start condition tLOW tR tHD ; DAT tHIGH tF Stop condition Table 3. Timing specification Parameter SCL clock frequency Bus free time between a STOP and START condition Hold time START condition LOW period of the SCL clock HIGH period of the SCL clock Data hold time Data set-up time Rise time of both SDA and SCL signals Fall time of both SDA and SCL signals Set-up time for STOP condition I2C Bus AC Characteristics : Temp=25C VCC = 3.3V Note : I2C Bus is a registered trademark of the Philips Co.. Symbol min fSCL tBUF tHD ; STA tLOW tHIGH tHD ; DAT tSU ; DAT tR tF tSU ; STO 4.0 4.7 4.0 4.7 4.0 0.0 250 1000 300 Ratings typ max 100 kHz s s s s s ns ns ns s Unit No.A0974-9/10 LV2283VB Application Circuit COUNTER RESET 19K OUT SDA R-INPUT 76KHz 22 21 24 23 20 19 18 17 SCL 16 15 14 13 Preemphasis Switch X'tal OSC VCC Shift Register X'tal OSC 1/2 R-Counter 1/2 Phase DET P-Counter Switch Preemphasis Attenuator 2.8V Regulator Charge Pump VCO 1 L-INPUT 2 3 4 + 5 6 7 8 9 10 11 12 VCC + SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of December, 2007. Specifications and information herein are subject to change without notice. PS No.A0974-10/10 |
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