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Interface IC's Telecom Interface ICs

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Part #

Telecom Interface ICs V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

CMX867AE2
CML Micro
1: $8.37
193In Stock

Mfr. Part No.
CMX867AE2

Mouser Part No
226-CMX867AE2

CML Micro

Telecom Interface ICs V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

Datasheet

193In Stock

$8.37

$8.09

$7.28

$6.81

Min.: 1
Mult.: 1

Modems

5.5 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-24

Tube

Telecom Interface ICs

SI3050-E1-FTR
Skyworks Solutions, Inc.
1: $12.44
2,450In Stock

Mfr. Part No.
SI3050-E1-FTR

Mouser Part No
634-SI3050-E1-FTR

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

2,450In Stock

Cut Tape

$12.44

$8.85

$8.44

$7.33

View

Reel

$5.28

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Voice DAAs

3.6 V

3 V

8.5 mA

0 C

+ 70 C

SMD/SMT

TSSOP-20

Reel, Cut Tape, MouseReel

Telecom Interface ICs Pb Free DNIC 1.5um

MT9171AN1
Microchip Technology
1: $11.55
104In Stock
End of Life

Mfr. Part No.
MT9171AN1

Mouser Part No
494-MT9171AN1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free DNIC 1.5um

Datasheet

104In Stock

$11.55

Min.: 1
Mult.: 1

Digital Subscriber Interface Circuits

5.25 V

4.75 V

- 40 C

+ 85 C

SMD/SMT

SSOP-24

Tube

Telecom Interface ICs Pb Free DTMF TRANSCEIVER

MT8888CS1
Microchip Technology
1: $7.19
336In Stock
End of Life

Mfr. Part No.
MT8888CS1

Mouser Part No
494-MT8888CS1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free DTMF TRANSCEIVER

Learn More

Datasheet

336In Stock

$7.19

Min.: 1
Mult.: 1

DTMF - Dual-tone Multi-frequency Transceivers

5.25 V

4.75 V

7 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-20

Tube

Telecom Interface ICs Worldwide Tone Compatibility Single and Dual Tones detected

CMX673E3
CML Micro
1: $8.84
74In Stock

Mfr. Part No.
CMX673E3

Mouser Part No
226-CMX673E3

CML Micro

Telecom Interface ICs Worldwide Tone Compatibility Single and Dual Tones detected

Datasheet

74In Stock

$8.84

$7.05

$6.00

$4.93

View

Min.: 1
Mult.: 1

5.5 V

2.7 V

1 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-20

Tube

Telecom Interface ICs 28 CH HD LIU

82P2821BHG
Renesas Electronics
1: $213.84
5In Stock

Mfr. Part No.
82P2821BHG

Mouser Part No
972-82P2821BHG

Renesas Electronics

Telecom Interface ICs 28 CH HD LIU

Datasheet

5In Stock

$213.84

$197.52

Min.: 1
Mult.: 1

E1 Line Interface Units - LIUs

SMD/SMT

PBGA-640

Tray

Telecom Interface ICs 1x S V.35 Tran

LTC1345ISW#PBF
Analog Devices
1: $44.19
37In Stock

Mfr. Part No.
LTC1345ISW#PBF

Mouser Part No
584-LTC1345ISW#PBF

Analog Devices

Telecom Interface ICs 1x S V.35 Tran

Datasheet

37In Stock

$44.19

$37.35

$35.67

$31.90

Min.: 1
Mult.: 1

Transceivers

5.25 V

4.75 V

118 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-28

Tube

Telecom Interface ICs Telecom Signalling Device with DTMF Encoder/Decoder, V.23/ V.21/ Bell 103/ Bell 202 FSK Modem

CMX865AD4
CML Micro
1: $6.44
278In Stock

Mfr. Part No.
CMX865AD4

Mouser Part No
226-CMX865AD4

CML Micro

Telecom Interface ICs Telecom Signalling Device with DTMF Encoder/Decoder, V.23/ V.21/ Bell 103/ Bell 202 FSK Modem

Datasheet

278In Stock

$6.44

$6.26

$5.71

$5.28

View

Min.: 1
Mult.: 1

3.6 V

3 V

4 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs Worldwide Tone Compatibility Single and Dual Tones detected

CMX673D4
CML Micro
1: $8.84
41In Stock
141Expected 3/3/2026

Mfr. Part No.
CMX673D4

Mouser Part No
226-CMX673D4

CML Micro

Telecom Interface ICs Worldwide Tone Compatibility Single and Dual Tones detected

Datasheet

41In Stock

141Expected 3/3/2026

$8.84

$7.05

$6.52

$5.46

View

Min.: 1
Mult.: 1

5.5 V

2.7 V

1 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs Quad Telephone Relay

DS3680N
Texas Instruments
1: $2.00
520In Stock

Mfr. Part No.
DS3680N

Mouser Part No
595-DS3680N

Texas Instruments

Telecom Interface ICs Quad Telephone Relay

Datasheet

520In Stock

$2.00

$1.46

$1.32

$1.17

View

Min.: 1
Mult.: 1

Relay Drivers

- 60 V

- 10 V

- 4.4 mA

0 C

+ 70 C

Through Hole

PDIP-14

Tube

Telecom Interface ICs 1200bps Half Duplex Bell 202 Compatible Modem

MX614TN
CML Micro
1: $24.17
7In Stock
NRND

Mfr. Part No.
MX614TN

Mouser Part No
226-MX614TN

NRND

CML Micro

Telecom Interface ICs 1200bps Half Duplex Bell 202 Compatible Modem

Datasheet

7In Stock

$24.17

$19.29

$16.46

$13.48

View

Min.: 1
Mult.: 1

1.7 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-24

Tube

Telecom Interface ICs V.32bis, V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

CMX869BD2
CML Micro
1: $14.37
32In Stock

Mfr. Part No.
CMX869BD2

Mouser Part No
226-CMX869BD2

CML Micro

Telecom Interface ICs V.32bis, V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

Datasheet

32In Stock

$14.37

$13.90

$12.50

$11.88

View

Min.: 1
Mult.: 1

Modems

8.6 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-24

Tube

Telecom Interface ICs Function Images Supporting 4/16/32/64 QAM, 2/4/8/16 FSK, GMSK/GFSK, V.23

CMX7164Q1
CML Micro
1: $36.65
26In Stock

Mfr. Part No.
CMX7164Q1

Mouser Part No
226-CMX7164Q1

CML Micro

Telecom Interface ICs Function Images Supporting 4/16/32/64 QAM, 2/4/8/16 FSK, GMSK/GFSK, V.23

Learn More

Datasheet

26In Stock

$36.65

$35.45

$31.89

$30.30

View

Min.: 1
Mult.: 1

Modems

- 40 C

+ 85 C

SMD/SMT

VQFN-64

Tray

Telecom Interface ICs VOICE SWITCH SPEAKERPHONE CIRCUIT

TS34118CS28 RDG
Taiwan Semiconductor
1: $3.79
2,001In Stock
9,000Expected 2/4/2026

Mfr. Part No.
TS34118CS28 RDG

Mouser Part No
821-TS34118CS28RDG

Taiwan Semiconductor

Telecom Interface ICs VOICE SWITCH SPEAKERPHONE CIRCUIT

Datasheet

2,001In Stock

9,000Expected 2/4/2026

Cut Tape

$3.79

$2.61

$2.39

$2.09

View

Reel

$1.56

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

SMD/SMT

SOP-28

Reel, Cut Tape, MouseReel

Telecom Interface ICs Pb Free DTMF RECEIVER

MT8888CSR1
Microchip Technology
1: $8.13
1,254In Stock
End of Life

Mfr. Part No.
MT8888CSR1

Mouser Part No
494-MT8888CSR1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free DTMF RECEIVER

Learn More

Datasheet

1,254In Stock

Cut Tape

$8.13

Reel

$7.33

Quote

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

DTMF - Dual-tone Multi-frequency Transceivers

5.25 V

4.75 V

7 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-20

Reel, Cut Tape, MouseReel

Telecom Interface ICs High Performance Low Bit-rate Vocoder

CMX638Q3
CML Micro
1: $35.03
45In Stock

Mfr. Part No.
CMX638Q3

Mouser Part No
226-CMX638Q3

CML Micro

Telecom Interface ICs High Performance Low Bit-rate Vocoder

Learn More

Datasheet

45In Stock

$35.03

$31.47

$31.46

$30.62

View

Min.: 1
Mult.: 1

1.9 V

1.7 V

17.5 mA

- 40 C

+ 85 C

SMD/SMT

VQFN-48

Tray

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

CMX7261L9
CML Micro
1: $24.96
8In Stock

Mfr. Part No.
CMX7261L9

Mouser Part No
226-CMX7261L9

CML Micro

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

Learn More

Datasheet

8In Stock

$24.96

$24.14

$21.73

$20.64

View

Min.: 1
Mult.: 1

3.6 V

3 V

- 40 C

+ 85 C

SMD/SMT

LQFP-64

Tray

Telecom Interface ICs

SI3018-F-FS
Skyworks Solutions, Inc.
1: $8.88
71In Stock

Mfr. Part No.
SI3018-F-FS

Mouser Part No
634-SI3018-F-FS

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

71In Stock

$8.88

$6.84

$6.03

$5.63

View

Min.: 1
Mult.: 1

Voice DAAs

3.6 V

3 V

8.5 mA

0 C

+ 70 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs T1/E1 TRANSCEIVER

82P2288BBG
Renesas Electronics
1: $173.57
20In Stock

Mfr. Part No.
82P2288BBG

Mouser Part No
972-82P2288BBG

Renesas Electronics

Telecom Interface ICs T1/E1 TRANSCEIVER

Datasheet

20In Stock

$173.57

$158.02

Min.: 1
Mult.: 1

Transceivers

1.98 V, 3.6 V

1.68 V, 3 V

- 40 C

+ 85 C

SMD/SMT

PBGA-256

Tray

Telecom Interface ICs T1/E1/J1 TRANSCEIVER /DUAL

82P2282PFG
Renesas Electronics
1: $74.95
12In Stock

Mfr. Part No.
82P2282PFG

Mouser Part No
972-82P2282PFG

Renesas Electronics

Telecom Interface ICs T1/E1/J1 TRANSCEIVER /DUAL

Datasheet

12In Stock

$74.95

$60.45

$60.16

Min.: 1
Mult.: 1

Transceivers

1.98 V, 3.6 V

1.68 V, 3 V

20 mA

- 40 C

+ 85 C

SMD/SMT

TQFP-100

Tray

Telecom Interface ICs

SI3019-F-FS
Skyworks Solutions, Inc.
1: $12.37
33In Stock

Mfr. Part No.
SI3019-F-FS

Mouser Part No
634-SI3019-F-FS

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

33In Stock

$12.37

$9.62

$8.53

$7.98

View

Min.: 1
Mult.: 1

Voice DAAs

3.6 V

3 V

8.5 mA

0 C

+ 70 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs Pb Free DTMF RECEIVER SOIC

MT8870DS1
Microchip Technology
1: $2.22
154In Stock
End of Life

Mfr. Part No.
MT8870DS1

Mouser Part No
494-MT8870DS1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free DTMF RECEIVER SOIC

Learn More

Datasheet

154In Stock

$2.22

Min.: 1
Mult.: 1

DTMF - Dual-tone Multi-frequency Receivers

5.25 V

4.75 V

3 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-18

Tube

Telecom Interface ICs 1200bps Half Duplex Bell 202 Compatible Modem

FX614D4
CML Micro
1: $20.14
2In Stock
NRND

Mfr. Part No.
FX614D4

Mouser Part No
226-FX614D4

NRND

CML Micro

Telecom Interface ICs 1200bps Half Duplex Bell 202 Compatible Modem

Datasheet

2In Stock

$20.14

$16.08

$13.71

$11.25

View

Min.: 1
Mult.: 1

Modems

1.7 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs Pb Free 3 VOLT INTEGRATED DTMF RECEIVER

MT88L70AN1
Microchip Technology
1: $2.50
483In Stock
End of Life

Mfr. Part No.
MT88L70AN1

Mouser Part No
494-MT88L70AN1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free 3 VOLT INTEGRATED DTMF RECEIVER

Learn More

Datasheet

483In Stock

$2.50

$2.25

$2.22

$2.20

View

Min.: 1
Mult.: 1

DTMF - Dual-tone Multi-frequency Receivers

3.6 V

2.7 V

2 mA

- 40 C

+ 85 C

SMD/SMT

SSOP-20

Tube

Telecom Interface ICs Integrated DTMF Transceiver with Adaptive Micro Interface

MT8889CS1
Microchip Technology
1: $8.08
27In Stock
End of Life

Mfr. Part No.
MT8889CS1

Mouser Part No
494-MT8889CS1

End of Life

Microchip Technology

Telecom Interface ICs Integrated DTMF Transceiver with Adaptive Micro Interface

Learn More

Datasheet

27In Stock

$8.08

Min.: 1
Mult.: 1

DTMF - Dual-tone Multi-frequency Transceivers

5.25 V

4.75 V

7 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-20

Tube

Interface IC's Telecom Interface ICs

Customer Service Office

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Resources

Support

Caller ID ICs
DAA - Direct Access Arrangements
Digital Network Interface Circuits
Digital Subscriber Interface Circuits
DTMF - Dual-tone Multi-frequency Receivers
DTMF - Dual-tone Multi-frequency Transceivers
E1 Line Interface Units - LIUs
Ethernet Over PDH Mappers
Framers
ISDN Controllers
LIU - Line Interface Units
M
Modem ICs
Modems
Pro Subscriber Line Interface Concept (SLIC) ICs
Relay Drivers
SLIC - Subscriber Line Interface Circuits
Subscriber Line Interface Circuits miSLICs
Subscriber Line Interface Circuits - SLICs
Synchronization System

1 uA
8 uA
- 4.4 mA
1 mA
1.7 mA
2 mA
+/- 2.5 mA, +/- 10 mA
3 mA
4 mA
4.5 mA
5.5 mA
7 mA
8.5 mA
8.6 mA
10 mA
15 mA
17.5 mA
20 mA
25 mA
43.8 mA, 44.6 mA

BGA-484
BGA-896
CABGA-196
CABGA-256
CABGA-484
CSBGA-144
CSBGA-256
CSBGA-49
FCBGA-1152
FCBGA-896
FPBGA-81
HFCBGA-672
HSBGA-484
L2BGA-276
LBGA-196
LFBGA-119
LGA-42
LQFP-100
LQFP-176
LQFP-48