By Category PDF
2024 Edition
ICs
Speech Synthesis LSIs
Speech Synthesis LSIs with
Automotive Grade 92
Speech Synthesis LSIs with
Long-time Playback 92
Speech Synthesis LSIs with
Short-time Playback 93
Speech Synthesis LSIs with
External Memory 93
Category Speech Synthesis LSI
Speech Synthesis LSIs with Long-time Playback
(LAPIS Technology products)
Internal Flash Memory type
Part No.
Operating
Voltage
(V)
Operating
Frequency
(MHz)
Oscillator
Operating
Temperature
(°C)
ROM
Capacity
(bit)
Number of
Phrases
Maximum
Playback
Time
*
1
CPU
I/F
SP Amplier
Output (W)/
Class
Number of
Mixing
(Internal) (ch)
Others Package
Automotive
Grade
Industrial
Grade
ML22Q623
2.7 to 3.6
or
3.3 to 5.5
4.096
4.000
Built-in
External
−40 to +70
Flash
4M
4,096
202sec
Clock
synchronous
serial
1.0/
AB-class,
D-class
4
Rewrite Flash
from MCU/
Failure
detection
P-TQFP32
-0707-0.80-Z6K6-MC
P-WQFN32
-0505-0.50-A63-MC
—
ML22Q624
Flash
8M
406sec
P-TQFP32
-0707-0.80-Z6K6-MC
P-WQFN32
-0505-0.50-A63-MC
—
ML22Q625
Flash
16M
14min
P-TQFP32
-0707-0.80-Z6K6-MC
P-WQFN32
-0505-0.50-A63-MC
—
ML22Q626
Flash
32M
27min
P-TQFP32
-0707-0.80-Z6K6-MC
P-WQFN32
-0505-0.50-A63-MC
—
ML22Q663
Flash
4M
202sec
I
2
C
Failure
detection
P-TQFP32
-0707-0.80-Z6K6-MC
P-WQFN32
-0505-0.50-A63-MC
—
ML22Q664
Flash
8M
406sec
P-TQFP32
-0707-0.80-Z6K6-MC
P-WQFN32
-0505-0.50-A63-MC
—
ML22Q665
Flash
16M
14min
P-TQFP32
-0707-0.80-Z6K6-MC
P-WQFN32
-0505-0.50-A63-MC
—
ML22Q666
Flash
32M
27min
P-TQFP32
-0707-0.80-Z6K6-MC
P-WQFN32
-0505-0.50-A63-MC
—
*
1 Maximum playback time when the sampling frequency is 6.4kHz in HQ-ADPCM.
Speech Synthesis LSIs with Automotive Grade
(LAPIS Technology products)
Internal Flash Memory type
Part No.
Operating
Voltage
(V)
Operating
Frequency
(MHz)
Oscillator
Operating
Temperature
(°C)
ROM
Capacity
(bit)
Number
of
Phrases
Maximum
Playback
Time
CPU
I/F
SP Amplier
Output (W)/
Class
Number of
Mixing
(Internal) (ch)
Others Package
Automotive
Grade
AEC-Q100
standard
ML22Q532
2.7 to 3.6
or
3.3 to 5.5
4.096
4.000
Built-in
External
−40 to +105
Flash
2M
4,096
99sec*
2
I
2
C/
Clock
synchronous
serial
1.0/
AB-class
4
Rewrite Flash
from MCU*
4
/
Serial Audio
Interface/
Failure
detection
P-TQFP48
-0707-0.50-Z6K6-MC
YES
ML22Q533
Flash
4M
202sec*
2
P-TQFP48
-0707-0.50-Z6K6-MC
YES
ML22Q274
2.0 to 5.5 4.096 Built-in
Flash
692K*
1
30/62
28sec*
3
Clock
synchronous
serial
1.0/
D-class
1
Disconnection
and short circuit
detection
function
P-TSSOP20
-0225-0.65-TK6
YES
ML22Q284
30 Stand-alone
P-TSSOP20
-0225-0.65-TK6
YES
ML22Q294
30/62 I
2
C
P-TSSOP20
-0225-0.65-TK6
YES
External Memory type
Part No.
Operating
Voltage
(V)
Operating
Frequency
(MHz)
Oscillator
Operating
Temperature
(°C)
ROM
Capacity
(bit)
Number
of
Phrases
Maximum
Playback
Time
CPU
I/F
SP Amplier
Output (W)/
Class
Number of
Mixing
(Internal) (ch)
Others Package
Automotive
Grade
AEC-Q100
standard
ML22120
2.7 to 3.6
4.096
4.000
Built-in
External
−40 to +105
(+125*
5
)
External
maximum
128M
64 17min*
6
I
2
C/
Clock
synchronous
serial
— 4
Pitch and volume
control
5band Equalizer
Serial Audio
Interface
Failure detection
P-TQFP32
-0707-0.80-ZK6
P-WQFN24
-0404-0.50-A63
YES —*
8
ML22530
2.7 to 3.6
or
3.3 to 5.5
4.096
4.000
Built-in
External
−40 to +105
External
maximum
128M
4,096 109min*
7
I
2
C/
Clock
synchronous
serial
1.0/
AB-class
4
Rewrite Flash from
MCU*
4
/Serial Audio
Interface/Failure
detection
P-TQFP48
-0707-0.50-Z6K6
YES
*
1 When 30 phrases are selected. When 62 phrases are selected, 688 Kbit.
*
2 Maximum playback time when the sampling frequency is 6.4kHz in HQ-ADPCM.
*
3 Maximum playback time when the sampling frequency is 6.4kHz in ADPCM2.
*
4 While using it clock synchronization serial.
*
5 Key interlocking application.
*
6 With an external memory module (Max 128Mbit). Maximum playback time when the sampling frequency is 8kHz in 16bit PCM.
*
7 With an external memory module (Max 128Mbit). Maximum playback time when the sampling frequency is 6.4kHz in HQ-ADPCM.
*
8 Scheduled to be compliant with AEC-Q100.
Speech Synthesis LSIs
Speech Synthesis LSIs with Automotive Grade
　
P.92
Speech Synthesis LSIs with Long-time Playback
　
P.92
Speech Synthesis LSIs with Short-time Playback
　
P.93
Speech Synthesis LSIs with External Memory
　
P.93
◎ HQ-ADPCM: A high quality sound compression technology developed by Ky’s. Ky’s is a registered trademark of Kyushu Institute of Technology.
◎
HQ-ADPCM: A high quality sound compression technology developed by Ky’s. Ky’s is a registered trademark of Kyushu Institute of Technology.
Click on the icon to access the product page on ROHM’s website. Please check the website for the latest updates.
92
Speech Synthesis LSIs
www.rohm.com
Speech Synthesis LSIs
Speech Synthesis LSIs
Speech Synthesis LSIs with Short-time Playback
(LAPIS Technology products)
Internal D-class Speaker Amplifier type
Part No.
Operating
Voltage
(V)
Operating
Frequency
(MHz)
Oscillator
Operating
Temperature
(°C)
ROM
Capacity
(bit)
Number
of
Phrases
Maximum
Playback
Time
CPU
I/F
SP Amplier
Output (W)/
Class
Number of
Mixing
(Internal) (ch)
Others Package
Automotive
Grade
Industrial
Grade
ML22Q234
2.0 to 5.5 8.192 Built-in −40 to +85
Flash
676K*
1
30/62 34sec*
3
Clock
synchronous
serial
1.0/
D-class
1
Disconnection
and short circuit
detection
function
P-TSSOP20
-0225-0.65-TK6
—
ML22Q244
Flash
692K*
2
Stand-alone
P-TSSOP20
-0225-0.65-TK6
—
ML22Q254
Flash
676K*
1
I
2
C
P-TSSOP20
-0225-0.65-TK6
—
*
1 When 30 phrases are selected. When 62 phrases are selected, 676 Kbit.
*
2 When 30 phrases are selected. When 62 phrases are selected, 688 Kbit.
*
3 Maximum playback time when the sampling frequency is 6.4kHz in HQ-ADPCM.
Speech Synthesis LSIs with External Memory
(LAPIS Technology products)
Internal AB-class/D-class Speaker Amplifier type
Part No.
Operating
Voltage
(V)
Operating
Frequency
(MHz)
Oscillator
Operating
Temperature
(°C)
ROM
Capacity
(bit)
Number of
Phrase
Maximum
Playback
Time
CPU
I/F
SP
Amplier
Output (W)/
Class
Number
of Mixing
(Internal)
(ch)
Others Package
Automotive
Grade
Industrial
Grade
ML22620
2.7 to 3.6
or
3.3 to 5.5
4.096
4.000
Built-in
External
−40 to +85
External
maximum
128M
4,096 109min*
1
Clock
synchronous
serial
1.0/
AB-class,
D-class
4
Rewrite Flash
from MCU/
Failure detection
P-TQFP32
-0707-0.80-Z6K6
P-WQFN32
-0505-0.50-A63
—
ML22660
I
2
C
Failure
detection
P-TQFP32
-0707-0.80-Z6K6
P-WQFN32
-0505-0.50-A63
—
Internal AB-class Speaker Amplifier type
Part No.
Operating
Voltage
(V)
Operating
Frequency
(MHz)
Oscillator
Operating
Temperature
(°C)
ROM
Capacity
(bit)
Number of
Phrase
Maximum
Playback
Time
CPU
I/F
SP
Amplier
Output (W)/
Class
Number
of Mixing
(Internal)
(ch)
Others Package
Automotive
Grade
Industrial
Grade
ML22420
2.7 to 5.5
4.096 External −40 to +85
External
maximum
128M
1,024 87min*
2
Clock
synchronous
serial
0.7/
AB-class
4 —
P-SSOP30
-56-0.65-ZK6
—
ML22460
I
2
C
P-SSOP30
-56-0.65-ZK6
—
*
1 With an external memory module (Max 128Mbit). Maximum playback time when the sampling frequency is 6.4kHz in HQ-ADPCM.
*
2 With an external memory module (Max 128Mbit). Maximum playback time when the sampling frequency is 6.4kHz in ADPCM2.
◎
HQ-ADPCM: A high quality sound compression technology developed by Ky’s. Ky’s is a registered trademark of Kyushu Institute of Technology.
◎
HQ-ADPCM: A high quality sound compression technology developed by Ky’s. Ky’s is a registered trademark of Kyushu Institute of Technology.
93
Speech Synthesis LSIs
www.rohm.com
Speech Synthesis LSIs
Speech Synthesis LSIs