T OP I C S 推 广 产 品 话 题 汽车音响用电子音量控制LSI 促进汽车声场的高功能化! 附带连接存储式音响播放器 · 后排座位的消遣娱乐功能 “iPod播放”“前/后排座位 独自音乐源播放” 最适合于车内空间的高功能娱乐模式！ 存储式音响音乐 连 续 播 放！ LV3323PM 前/后排座位 各自 音乐播放！ LV3319PM 附加在AM/FM收音机,CD,MD,DVD播放机, iPod等存储式音响播放器 连续播放 支持多频道输入之需求 由传统产品4ch→向6ch展开 ●低功耗化[BiCMOS工艺] ６个输入(5个立体声＋1个差动) (3个立体声＋3个差动) ●支持多通道 ●减少外接组件 ●适用于车载用 高质量 其它公司不具有的 减轻噪声技术 其它公司不具有的 噼啪声(pop)抑制功能 实现减轻噪声 开发 三洋独自 新零交叉电路 ●内置零交叉定时器电路 可进行依软启动的定时器时间选择 ●零交叉检测自动化 通过检测零交叉可以除去“扑哧扑哧”噪声. http://semicon.cn.sanyo.com/ 三洋半导体公司 20080715－1/2 推广产品话题 汽车音响用电子音量控制LSI 适合于基板贴装的 SCF技术 SCF (Switched Capacitor Filter) 是将滤波器所使用的 大的“电阻”和“电容”换成晶体管开关, 是缩小空间的技术． 采用该技术 将滤波器内置于IC． + 产品规格 LV3319PM 款型名称 用 途 输入选择器 支持后排座位娱乐的汽车导航仪 支持存储式音响的汽车立体声 ６个输入(５个立体声＋１个差动) ６个输入(３个立体声＋３个差动) NAVI输入 输入增益 静 LV3323PM 音 音量控制 立体声/单声道音调 切换 带音量控制功能 无 0 ～ 18dB(1dB步阶) 支持外部静音，软静音 ＋10dB ～ －79dB(1dB步阶)，－∞，支持零交叉电路 低 音 GAIN : －14dB ～ ＋14dB(1dB步阶) fO: 70/100/120Hz；Q: 1.0， 1.2；支持细小步阶切换控制 中 音 GAIN : －14dB ～ ＋14dB(1dB步阶) fO: 700/1k/1.2kHz；Q: 1.0， 1.2；支持细小步阶切换控制 高 音 GAIN : －14dB ～ ＋14dB(1dB步阶) fO: 7k/10k/12kHz；Q: 1.0， 1.2；支持细小步阶切换控制 音量前后调节 http://semicon.cn.sanyo.com/ 0dB ～ －79dB(1dB步阶)， －∞，支持零交叉电路 三洋半导体公司 20080715－2/2 T OP I C S Promotional Product Topics Electronic Volume Control IC for Car Audio Systems High performance car sound field enhancement! Memory audio player connection/With rear seat entertainment function "iPod playback" "Front/rear independent music source playback" Best suited for High-performance entertainment model car interiors! Connect and play memory audio players! LV3323PM Independent front and rear music playback! LV3319PM In addition to AM/FM radio and CD, MD, and DVD playback, memory audio players like the iPod can be connected and played. Accommodates the need for multi-channel inputs Conventional product: 4 channels • Low power consumption (uses BiCMOS process) → Increased to: 6 channels! • Multi-channel inputs • Minimal number of externally 6 inputs connected components (5-channel stereo + 1-channel differential) (3-channel stereo + 3-channel differential) • Suitable for automobile use, high quality SANYO's Unique Pop-noise Reduction Technology Not available from other companies: Pop-noise countermeasure circuit Realizes substantial noise reduction Development of SANYO’s Original New Zero Cross Circuit • Integrated zero cross timer circuit Timer time can be set by software • Zero cross automatic detection By detecting the zero cross, click/pop noise can substantially be reduced. www.semiconductor-sanyo.com/network 20080715 - 1/2 Promotional Product Topics Electronic Volume Control for Car Audio Systems SCF Technology Suitable for Board Mounting SCF (Switched Capacitor Filter) This technology reduces size by replacing large resistors and capacitors, which are used for filters, with a transistor switch. This technology allows the filter to be embedded in the IC. + Product Specifications Product Name Application Input Selector Navi Input LV3319PM LV3323PM Navigation systems with a rear-seat entertainment system Car stereos that support memory audio systems 6 inputs (5-channel stereo + 1-channel differential) 6 inputs (3-channel stereo + 3-channel differential) Stereo/Mono switching capability With volume function Not available Input Gain 0 to 18dB (in 1dB increments) Mute External mute, soft mute control Volume +10dB to –79dB (in 1dB increments), – ∞, zero cross control Bass GAIN: –14dB to +14dB (in 1dB increments), fO: 70/100/120Hz, Q: 1.0, 1.2, Soft step control Middle Gain: –14dB to +14dB (in 1dB increments), fO: 700/1k/1.2kHz, Q: 1.0, 1.2, Soft step control Treble Gain: –14dB to +14dB (in 1dB increments), fO: 7k/10k/12kHz, Q: 1.0, 1.2, Soft step control Fader 0 dB to –79dB (in 1dB increments), – ∞, zero cross control www.semiconductor-sanyo.com/network 20080715 - 2/2