Sample Rate Converters

Digital information is recorded by sampling at a specific or pre-programmed rate. Sample rate converters change sample rates of different kHz (kiloHertz) from one rate to another rate. These converters prevent any alteration in speed and pitch from occurring during the transfer of sound recordings from one system application to another. These converters change the rate of a discrete signal to produce a new discrete representation of the continuous underlying signal during transmission of data.

 

What are sample rate converters used for?

Sample rate converters are used in broadcasting applications, audio/visual devices and high end consumer products with different frame rates and image scales. Their aim is to maintain the quality in audio and video output across devices.


Types of sample rate converters

There are two main types of sample rate converters: synchronous converters and asynchronous converters.

 

Synchronous converters convert data between two fixed sampling rates where the rate change is of a similar ratio such as 4, 8 or 32. Asynchronous converters are used when input and output rates are not fixed by a common clock or an exact frequency ratio.


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Description Price Resolution Conversion Rate Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage Maximum Operating Temperature Minimum Operating Supply Voltage Minimum Operating Temperature Mounting Type
RS Stock No. 709-3999
Mfr. Part No.SRC4392IPFB
TWD494
Each
units
24 bit 216ksps TQFP 48 7 x 7 x 1mm 7mm 7mm 1mm - +85 °C - -40 °C Surface Mount
RS Stock No. 923-6882
Mfr. Part No.SRC4392IPFB
TWD447
Each (In a Tray of 250)
units
24 bit 216ksps TQFP 48 7 x 7 x 1mm 7mm 7mm 1mm - +85 °C - -40 °C Surface Mount
RS Stock No. 145-7382
Mfr. Part No.SRC4190IDB
TWD227
Each (In a Tube of 50)
units
24 bit 212ksps SSOP 28 10.2 x 5.3 x 1.95mm 10.2mm 5.3mm 1.95mm - +85 °C - -40 °C Surface Mount
RS Stock No. 162-7537
Mfr. Part No.SRC4193IDB
TWD480
Each (In a Tube of 50)
units
24 bit 212ksps SSOP 28 10.2 x 5.3 x 1.95mm 10.2mm 5.3mm 1.95mm - +85 °C - -40 °C Surface Mount
RS Stock No. 169-8393
Mfr. Part No.CS8422-CNZ
TWD632
Each (In a Tube of 60)
units
24 bit 192kHz QFN 32 5 x 5 x 0.95mm 5mm 5mm 0.95mm 5.25 V +85 °C 1.71 V -40 °C Surface Mount
RS Stock No. 716-5858
Mfr. Part No.CS8422-CNZ
TWD487
Each
units
24 bit 192kHz QFN 32 5 x 5 x 0.95mm 5mm 5mm 0.95mm 5.25 V +85 °C 1.71 V -40 °C Surface Mount
RS Stock No. 665-8797
Mfr. Part No.SRC4192IDB
TWD335
Each
units
24 bit 212ksps SSOP 28 10.2 x 5.3 x 1.95mm 10.2mm 5.3mm 1.95mm - +85 °C - -40 °C Surface Mount
RS Stock No. 497-2410
Mfr. Part No.AD1896AYRSZ
TWD596
Each
units
24 bit 192ksps SSOP 28 10.2 x 5.3 x 1.75mm 10.2mm 5.3mm 1.75mm - +105 °C - -40 °C Surface Mount
RS Stock No. 161-0603
Mfr. Part No.AD1896AYRSZ
TWD731
Each (In a Tube of 47)
units
24 bit 192ksps SSOP 28 10.2 x 5.3 x 1.75mm 10.2mm 5.3mm 1.75mm - +105 °C - -40 °C Surface Mount
RS Stock No. 169-8396
Mfr. Part No.CS8421-CZZ
TWD472
Each (In a Tube of 74)
units
32 bit 211kHz TSSOP 20 6.6 x 4.5 x 0.95mm 6.6mm 4.50mm 0.95mm 2.62 V +70 °C 2.38 V -10 °C Surface Mount
RS Stock No. 162-7536
Mfr. Part No.SRC4192IDB
TWD480
Each (In a Tube of 50)
units
24 bit 212ksps SSOP 28 10.2 x 5.3 x 1.95mm 10.2mm 5.3mm 1.95mm - +85 °C - -40 °C Surface Mount
RS Stock No. 709-4122
Mfr. Part No.SRC4382IPFB
TWD429
Each
units
24 bit 216ksps TQFP 48 7 x 7 x 1mm 7mm 7mm 1mm - +85 °C - -40 °C Surface Mount
RS Stock No. 162-7538
Mfr. Part No.SRC4382IPFB
TWD532
Each (In a Tray of 250)
units
24 bit 216ksps TQFP 48 7 x 7 x 1mm 7mm 7mm 1mm - +85 °C - -40 °C Surface Mount
RS Stock No. 665-8807
Mfr. Part No.SRC4193IDB
TWD386
Each
units
24 bit 212ksps SSOP 28 10.2 x 5.3 x 1.95mm 10.2mm 5.3mm 1.95mm - +85 °C - -40 °C Surface Mount
RS Stock No. 665-8793
Mfr. Part No.SRC4190IDB
TWD205
Each
units
24 bit 212ksps SSOP 28 10.2 x 5.3 x 1.95mm 10.2mm 5.3mm 1.95mm - +85 °C - -40 °C Surface Mount
RS Stock No. 716-5867
Mfr. Part No.CS8421-CZZ
TWD315
Each
units
32 bit 211kHz TSSOP 20 6.6 x 4.5 x 0.95mm 6.6mm 4.50mm 0.95mm 2.62 V +70 °C 2.38 V -10 °C Surface Mount