Description

The MSM6651A is a model of electronic component in the IC Chips category. It is the successor to OKIs MSM6375 family. It offers high-quality voice synthesis with features such as adaptive differential pulse-code modulation (ADPCM) playback, pulse-code modulation (PCM) playback, 12-bit D/A conversion, and on-chip –40 dB/octave low-pass filter (LPF).

Specifications and features

- 4-bit ADPCM or 8-bit PCM sound generation

- Melody function

- Edit ROM function

- Two-channel mixing function

- Built-in random playback function

- Fade-out function via four-step sound volume attenuation

- Built-in beep tone of 0.5 kHz, 1.0 kHz, 1.3 kHz, or 2.0 kHz selectable with a specific code

- Sampling frequency of 4.0 kHz, 5.3 kHz, 6.4 kHz, 8.0 kHz, 10.6 kHz, 12.8 kHz, 16.0 kHz, or 32.0 kHz (32 kHz sampling is not possible when using RC oscillation)

- Up to 120 phrases

- Built-in 12-bit D/A converter

- Built-in –40 dB/octave low-pass filter

- Standby function

- Selectable RC or ceramic oscillation

- Package options: 18-pin plastic DIP (DIP18-P-300-2.54), 24-pin plastic SOP (SOP24-P-430-1.27-K), 20-pin plastic DIP (DIP20-P-300-2.54-W1), 64-pin plastic QFP (QFP64-P-1420-1.00-BK), 64-pin plastic SDIP (SDIP64-P-750-1.778)

Application Scenarios

The MSM6651A electronic component can be used in various applications that require high-quality voice synthesis. It is suitable for devices that require sound generation, such as electronic musical instruments, toys, and voice recording/playback systems.

Comparison

- High-quality voice synthesis

- Adaptive differential pulse-code modulation (ADPCM) playback

- Pulse-code modulation (PCM) playback

- 12-bit D/A conversion

- On-chip –40 dB/octave low-pass filter (LPF)

- Limited package options