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Digital Voice Interface ICs

CML Micro Digital Voice Interface ICs comprise a range of flexible technologies supporting voice-data generation, coding, transcoding, and decoding functions for digital communication systems, as well as many other in-band audio applications where there is a need for storage and playback. These surface mount devices operate within a -40°C to +85°C temperature range and provide Serial, SPI, PCM, and I2S interface options.

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Types of Interface ICs

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Part #

Telecom Interface ICs High Performance Low Bit-rate Vocoder

CMX638Q3
CML Micro
1: $32.76
45In Stock

Mfr. Part #
CMX638Q3

Mouser Part #
226-CMX638Q3

CML Micro

Telecom Interface ICs High Performance Low Bit-rate Vocoder

Datasheet

45In Stock

$32.76

$29.81

$29.80

View

Min.: 1
Mult.: 1

Telecom Interface ICs

RALCWI Vocoder

SMD/SMT

VQFN-48

Telecom Interface ICs 2400/2750bps Voice Codeing, 3600bps with FEC enabled

CMX618Q3
CML Micro
1: $20.11
74In Stock

Mfr. Part #
CMX618Q3

Mouser Part #
226-CMX618Q3

CML Micro

Telecom Interface ICs 2400/2750bps Voice Codeing, 3600bps with FEC enabled

Datasheet

74In Stock

$20.11

$18.29

View

Min.: 1
Mult.: 1

Telecom Interface ICs

Half-Duplex Vocoding

SMD/SMT

VQFN-48

Telecom Interface ICs High Performance Low Bit-rate Vocoder

CMX638L4
CML Micro
1: $34.79
86In Stock

Mfr. Part #
CMX638L4

Mouser Part #
226-CMX638L4

CML Micro

Telecom Interface ICs High Performance Low Bit-rate Vocoder

Datasheet

86In Stock

$34.79

$33.64

$32.68

$30.64

View

Min.: 1
Mult.: 1

Telecom Interface ICs

SMD/SMT

LQFP-48

Interface - CODECs

CMX655DQ6-REEL
CML Micro
1: $2.12
1,195In Stock

Mfr. Part #
CMX655DQ6-REEL

Mouser Part #
226-CMX655DQ6-R

CML Micro

Interface - CODECs

Datasheet

1,195In Stock

Cut Tape

$2.12

$2.05

$1.85

$1.73

Reel

$1.65

View

Min.: 1
Mult.: 1

: 1,000

CODECs

Audio CODECs

Audio CODEC, Voice

I2S, PCM, SPI

SMD/SMT

VQFN-24

Interface - CODECs Direct Connection to MEMs Microphones and includes a 1W Class-D Speaker Driver

CMX655DQ6
CML Micro
1: $2.12
375In Stock
1,120Expected 9/1/2026

Mfr. Part #
CMX655DQ6

Mouser Part #
226-CMX655DQ6

CML Micro

Interface - CODECs Direct Connection to MEMs Microphones and includes a 1W Class-D Speaker Driver

Datasheet

375In Stock

1,120Expected 9/1/2026

$2.12

$2.05

$1.99

$1.98

Quote

Min.: 1
Mult.: 1

CODECs

Audio CODECs

Audio CODEC, Voice

Serial, SPI

SMD/SMT

VQFN-24

Telecom Interface ICs Function Images Supporting G729A/PCM/CVSD, PCM/G723.1

CMX7261L9
CML Micro
1: $24.87
32In Stock

Mfr. Part #
CMX7261L9

Mouser Part #
226-CMX7261L9

CML Micro

Telecom Interface ICs Function Images Supporting G729A/PCM/CVSD, PCM/G723.1

Datasheet

32In Stock

$24.87

$24.05

Min.: 1
Mult.: 1

Telecom Interface ICs

Multi Transcoder IC

SPI

SMD/SMT

LQFP-64

Telecom Interface ICs

CMX618Q3-REEL
CML Micro
1,000: $17.12
Non-Stocked Lead-Time 27 Weeks

Mfr. Part #
CMX618Q3-REEL

Mouser Part #
226-CMX618Q3-R

CML Micro

Telecom Interface ICs

Datasheet

Non-Stocked Lead-Time 27 Weeks

Reel

$17.12

Min.: 1,000
Mult.: 1,000

: 1,000

Telecom Interface ICs

SMD/SMT

VQFN-48

Telecom Interface ICs

CMX638L4-REEL
CML Micro
1,000: $28.67
Non-Stocked Lead-Time 27 Weeks

Mfr. Part #
CMX638L4-REEL

Mouser Part #
226-CMX638L4-R

CML Micro

Telecom Interface ICs

Datasheet

Non-Stocked Lead-Time 27 Weeks

Reel

$28.67

Min.: 1,000
Mult.: 1,000

: 1,000

Telecom Interface ICs

SMD/SMT

LQFP-48

Telecom Interface ICs

CMX638Q3-REEL
CML Micro
1,000: $27.89
Non-Stocked Lead-Time 27 Weeks

Mfr. Part #
CMX638Q3-REEL

Mouser Part #
226-CMX638Q3-R

CML Micro

Telecom Interface ICs

Datasheet

Non-Stocked Lead-Time 27 Weeks

Reel

$27.89

Min.: 1,000
Mult.: 1,000

: 1,000

Telecom Interface ICs

SMD/SMT

VQFN-48

Telecom Interface ICs

CMX7261L9-REEL
CML Micro
1,000: $19.24
Non-Stocked Lead-Time 27 Weeks

Mfr. Part #
CMX7261L9-REEL

Mouser Part #
226-CMX7261L9-R

CML Micro

Telecom Interface ICs

Datasheet

Non-Stocked Lead-Time 27 Weeks

Reel

$19.24

Min.: 1,000
Mult.: 1,000

: 1,000

Telecom Interface ICs

SMD/SMT

LQFP-64