Audio ADCs

An audio ADC is a type of analogue to digital converter that converts analogue sounds into digital signals using a mathematical function called quantisation. This conversion occurs periodically instead of continually to minimise noise generation. ADCs sample the input signals at specific points in time which reduces the allowable bandwidth of the input signal for increased efficiency.


What are audio ADCs used for?

ADCs are useful in dynamic range and dynamic specification applications. This is important in applications like vibration, seismic and geographical analysis. Other applications include microphones in radio, TV, electronic consumer and homeware devices. ADCs are also an important feature in telecommunication equipment, which requires analogue to digital conversion in order to produce good quality sound.


Types of audio ADCs

There are many types of audio ADCs. Choosing the right audio ADC depends on the number of channels your device has and the amount of analogue inputs and outputs required. You should also consider the required bit rates and the level of control/audio interface in engineering applications when choosing an Audio ADC.


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Description Price Architecture Number of ADCs Resolution Sampling Rate Input Signal Type Mounting Type Package Type Pin Count Integral Nonlinearity Error Digital Interface Type Power Supply Type Typical Single Supply Voltage Typical Dual Supply Voltage Dimensions
RS Stock No. 709-8751
Mfr. Part No.ADS1278IPAPT
HK$363.61
Each
units
Delta Sigma 8 24 bit 144ksps Differential, Single Ended Surface Mount HTQFP 64 ±0.0012%FSR Serial (SPI) - 5 V - 10 x 10 x 1mm
RS Stock No. 812-4040
Mfr. Part No.TLV320ADC3001IYZHT
HK$34.288
Each (On a Tape of 5)
units
Delta Sigma 2 24 bit 96ksps Differential, Single Ended Surface Mount WSCP 16 - Serial Single 1.8 (Digital) V, 3.3 (Analogue) V - 2.271 x 2.19 x 0.275mm
RS Stock No. 162-5217
Mfr. Part No.PCM1803ADB
HK$34.74
Each (In a Tube of 65)
units
Delta Sigma 2 24 bit 96ksps Single Ended Surface Mount SSOP 20 - Serial - 5 V - 7.2 x 5.3 x 1.95mm
RS Stock No. 660-4409
Mfr. Part No.PCM1803ADB
HK$38.59
Each
units
Delta Sigma 2 24 bit 96ksps Single Ended Surface Mount SSOP 20 - Serial - 5 V - 7.2 x 5.3 x 1.95mm
RS Stock No. 145-6121
Mfr. Part No.PCM1807PW
HK$20.972
Each (In a Tube of 90)
units
Delta Sigma 2 24 bit 96ksps Single Ended Surface Mount TSSOP 14 - Serial - 5 V - 5 x 4.4 x 1.15mm
RS Stock No. 908-3896
Mfr. Part No.PCM1862DBT
HK$38.08
Each (In a Pack of 2)
units
- 2 24 bit 192kHz Differential Surface Mount TSSOP 30 - Serial (I2C) Single 3.3 V - 7.9 x 4.5 x 1.05mm
RS Stock No. 545-7805
Mfr. Part No.PCM4202DB
HK$85.40
Each
units
Delta Sigma 2 24 bit 216ksps Differential, Single Ended Surface Mount SSOP 28 - Serial - 5 V - 10.2 x 5.3 x 1.95mm
RS Stock No. 908-3887
Mfr. Part No.PCM1860DBT
HK$33.46
Each (In a Pack of 2)
units
- 2 24 bit 192kHz Differential Surface Mount TSSOP 30 - Serial (4 Wire), Serial (I2C), Serial (SPI) Single 3.3 V - 7.9 x 4.5 x 1.05mm
RS Stock No. 662-0155
Mfr. Part No.PCM1807PW
HK$25.122
Each (In a Pack of 5)
units
Delta Sigma 2 24 bit 96ksps Single Ended Surface Mount TSSOP 14 - Serial - 5 V - 5 x 4.4 x 1.15mm
RS Stock No. 158-2571
Mfr. Part No.AD677JNZ
HK$528.507
Each (In a Tube of 25)
units
SAR 1 16 bit 100ksps Single Ended Through Hole PDIP 16 ±2LSB Serial - - ±12V 20.07 x 6.35 x 3.3mm
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