ml2253x系列是内置串行音频接口的车载级4通道混合语音合成lsi,可提供flash存储器内置型和外置型两种类型的产品。
产品采用实现高音质的hq-adpcm、16位d/a转换器和低通滤波器,并内置用来直接驱动扬声器的1.0w单声道扬声器放大器。
另外,还配备了车载应用所需的故障检测功能,可以检测lsi内部的异常以及lsi与扬声器之间连接线的异常。
语音输出所需的功能已经全部集成于1枚芯片中,因此仅需增加本lsi,即可轻松实现语音功能。
主要规格
特性:
common standard
aec-q100 (automotive grade)
operating voltage [v]
2.7 to 3.6 or 3.3 to 5.5
operating frequency [mhz]
4.096
4.000
oscillator
built-in
external
operating temperature (min.)[°c]
-40
operating temperature (max.)[°c]
105
rom capacity [bit]
flash
2m
number of phrases
4096
maximum playback time
99sec *1
cpu i/f
i2c /
clock syncronous serial
sp amplifier output [w] / class
1.0/
ab-class
number of mixing (internal) [ch]
4
others
rewrite flash from mcu *4/ serial audio interface / failure detection
automotive grade
yes
aec-q100 standard
yes
industrial grade
-
development support
-
- reference board
- rb-s22q53xtb48
- supply status
- recommended
- supporuted lsi
- ml22q532
- ml22q533
- ml22q535
- composition
- reference board with tqfp48 socket
- user's manual
- notes
- used by connecting to sdcb3.
-
- development kit
- sdck3
- supply status
- recommended
- supporuted lsi
- ml22530, q532, q533, q535
- ml22620, q623, q624, q625, q626
- ml22660, q663, q664, q665, q666
- ml22q234, q244, q254
- ml22q274, q284, q294
- ml22572, 573, q573, q553, ml22594
- ml22q374, q394
- ml22562, 563, q563
- ml22823, 824, 825
- ml22863, 864, 865
- composition
- software: speech lsi utility, wave editor, sdcb controller
- hardware: sound device control board 3 [sdcb3], accessories (usb cable)
本网站中出现的rohm co.,ltd或rohm集团旗下公司或第三方公司的产品名称、服务名称、公司名称或徽标,是相应公司的商标或注册商标。