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Part Number: ML22Q54
Description: The ML2250 family is a 2-channel mixing speech synthesis device with an on-chip voice data (i.e., phra...
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ML22Q54
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General Description
ML22Q54 General Description
The ML2250 family is a 2-channel mixing speech synthesis device with an on-chip voice data (i.e., phrases) storing mask ROM and a flash memory. Besides playing the built-in voice data, this device can output voice data that is input from outside the device. This ML2250 family allows to select the playback method from the 8-bit PCM, non-linear 8-bit PCM, 16-bit PCM, 2-bit ADPCM2, and 4-bit ADPCM2 algorithms. And the sound volume is adjustable as well.
The ML2250 family incorporates a 14-bit D/A converter, low-pass filter, and 1-bit DAC (PWM output). It is easy to configure a speech synthesizer by externally connecting a power amplifier and a CPU to the ML2250 family.
The ML2250 family line-up includes 2 types of products: with on-chip mask ROM, and with on-chip flash memory.
ML22Q54 Maximum Ratings
|
Parameter |
Symbol |
Condition |
Rating |
Unit |
| Power supply voltage |
VDD |
Ta=25 |
-0.3 - +7.0 |
V |
| Input voltage |
VIN |
-0.3 to VDD+0.3 |
V | |
| Storage Temperature |
TSTG |
- |
-55 to- +150 |
ML22Q54 Features
• Non-linear 8-bit PCM, 8-bit PCM, 16-bit PCM, 2-bit ADPCM2, and 4-bit ADPCM2 algorithms
• Serial input/parallel input selectable
• Phrase control table function i.e., user definable phrase control table function
• 2 channels mixing function
• Master clock frequency: 4.096 MHz
• Sampling frequency: 4.0 kHz, 5.3 kHz, 6.4 kHz, 8.0 kHz, 10.7 kHz, 12.8 kHz, 16.0 kHz, 21.3 kHz, 25.6 kHz, 32.0 kHz, 42.7 kHz, 48 kHz
• Maximum number of phrases: 256 phrases
• Sound volume adjustment function built in (2 sounds independently adjustable in 29 steps)
• External voice data can be input
• 1-bit D/A converter, and14-bit D/A converter built in
• Built-in low-pass filter: Digital filter
• Package: 44-pin plastic QFP (QFP44-P-910-0.80-2K) (ML2252-XXXGA/ML2254-XXXGA/ML22Q54GA-MC)
• Serial input/parallel input selectable
• Phrase control table function i.e., user definable phrase control table function
• 2 channels mixing function
• Master clock frequency: 4.096 MHz
• Sampling frequency: 4.0 kHz, 5.3 kHz, 6.4 kHz, 8.0 kHz, 10.7 kHz, 12.8 kHz, 16.0 kHz, 21.3 kHz, 25.6 kHz, 32.0 kHz, 42.7 kHz, 48 kHz
• Maximum number of phrases: 256 phrases
• Sound volume adjustment function built in (2 sounds independently adjustable in 29 steps)
• External voice data can be input
• 1-bit D/A converter, and14-bit D/A converter built in
• Built-in low-pass filter: Digital filter
• Package: 44-pin plastic QFP (QFP44-P-910-0.80-2K) (ML2252-XXXGA/ML2254-XXXGA/ML22Q54GA-MC)
ML22Q54 Connection Diagram
ML22Q54
PDF/DataSheet Download
- Datasheet: ML22Q54
- File Size: 204397 KB
- Manufacturer: OKI [OKI electronic componets]
- Click here to Download
- ·ML2003
- MICRO-LINEAR [Micro Linear Corporation]
- Logarithmic Gain/Attenuator
- 90194 KB
- ·ML2003CP
- MICRO-LINEAR [Micro Linear Corporation]
- Logarithmic Gain/Attenuator
- 2686295 KB
- ·ML2003CQ
- MICRO-LINEAR [Micro Linear Corporation]
- Logarithmic Gain/Attenuator
- 90194 KB
- ·ML2003IP
- MICRO-LINEAR [Micro Linear Corporation]
- Logarithmic Gain/Attenuator
- 2686295 KB
- ·ML2003IQ
- MICRO-LINEAR [Micro Linear Corporation]
- Logarithmic Gain/Attenuator
- 2686295 KB
- ·ML2004
- FAIRCHILD [Fairchild Semiconductor]
- Logarithmic Gain/Attenuator
- 90194 KB
- ·ML2004CP
- FAIRCHILD [Fairchild Semiconductor]
- Logarithmic Gain/Attenuator
- 2686295 KB
- ·ML2004IP
- FAIRCHILD [Fairchild Semiconductor]
- Logarithmic Gain/Attenuator
- 2686295 KB
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