ML22Q623 datasheet(2/118 Pages) ROHM

2 / 118 page

FEDL22Q62X-02

ML22Q62X

■ 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)

● Low-pass filter

● 16-bit D/A converter

● Speaker amplifier:

Class AB/D

1. 0W 8Ω (SPV

DD =5V, Ta=25

OC)

● Line amplifier output:

10kΩ driving (Exclusive operation from speaker amplifier output)

● External analog sound input (at the time Class AB speaker amplifier choice, with analog mixing function)

● MCU command interface:

Clock Synchronous Serial Interface

● Failure detection function

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

DVDD，SPV DD and IOVDD can be set independently. (SPVDD

≥DV

DD)

● Operating temperature range:

-40

OC to +70 OC *2

● Package:

32-pin TQFP (7mm x 7mm, 0.8mm pitch)

● Ordered Part Name:

ML22Q62X-NNNTB，ML22Q62X-xxxTB (32-pin TQFP)

*1 Handle VDDR pin in two different ways depending on the voltage range 2.7-3.6V or 3.3-5.5V.

Refer to the "Application Circuit".

*2 The operating time of the speaker amplifier may be limited depending on the average ambient temperature (Ta) used.

*3 The NNN is blanked. xxx represents ROM code number.

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