ML22530集成电路（IC）的音频专用规格书PDF中文资料

ML22530属于集成电路（IC）的音频专用。由罗姆半导体集团制造生产的ML22530音频专用音频专用的半导体器件专为音频信号的滤波、驱动、放大、转换和接口而设计。特征包括功能、应用、通道数、接口、电压和规格。应用包括音频系统、汽车音频、消费类音频、乐器、专业音频、通信系统、电信系统、数字音频、驱动器、前置放大器、信号混合、信号处理、语音触发器解决方案和 10 Base-T。

■ Feature

● Sound data

Speech synthesis algorithm: The algorithm can be specified for each phrase. HQ-ADPCM/4bit ADPCM2/8bit non-linear PCM / 8bit Straight PCM/16bit Straight PCM

Sampling frequency: The sampling frequency can be specified for each phrase. 10.7/21.3kHz, 6.4/12.8/25.6kHz, 8.0/16.0/32.0kHz, 11.025/22.05/44.1kHz, 12.0/24.0/48.0kHz

Maximum number of phrases: 4096 Phrases

● Edit ROM function

● Playback function

Repeat function: LOOP command

Mixing-function: Up to 4-channel

Volume adjustment function: CVOL command 128 levels (including off-state) AVOL command 16 levels (including off-state)

● Serial audio interface (slave)

PCM format: 8bit Straight PCM/16bit Straight PCM

Sampling frequency: 8.0/16.0/32.0kHz, 11.025/22.05/44.1kHz, 12.0/24.0/48.0kHz

Data length: 8bit/16bit

BCLK frequency: 32fs to 64fs

LRCLK transfer mode

LRCLK forward/reverse selectable

1-bit delay ON/OFF selectable

MSB first/LSB first selectable

● Low-pass filter

● 16-bit D/A converter

● Speaker amplifier: Class AB 1. 0W 8Ω (SPVDD =5V, Ta=25 OC)

● Line amplifier output: 10kΩ driving (Exclusive operation from speaker amplifier output)

● External analog sound input (with analog mixing function)

● MCU command interface: Clock Synchronous Serial Interface/I2C Interface (Slaves)

● Failure detection function

Playback sound error detection

Speaker short detection: Speaker pin ground fault detection, speaker pin short detection

Speaker disconnection detection

Thermal detection

Clock error detection

Flash memory error detection

● Clock backup function

● Master clock frequency: 4.096MHz, 4.000MHz

● Power-supply voltage 2.7V to 5.5V

● Operating temperature range: -40 OC to +105 OC

● Package: 48-pin TQFP (7mm x 7mm, 0.5mm pitch)

● Ordered Part Name: ML22530TB (48-pin TQFP)