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WONDOM AA-AB41164 ADC Module
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Wondom AA-AB41164 Stereo ADC Board PCM1822 I2S 24bit 192kHz
This Wondom AA-AB41164 ADC module is based on a Texas Instruments Burr-Brown PCM1822 chip, enabling it to process two analog signal channels simultaneously. It can convert both single-ended stereo analog signals and balanced stereo analog signals into I2S signals. This ADC module supports sampling rates up to PCM 24bit 192kHz. It can be used in master or slave mode, depending on the application. Several operating modes are configurable via 4 selector switches. The entire module can be supplied with 6-24V DC via a micro-fit connector, or via a Wondom BCPB series battery module. All in all, the WONDOM AA-AB41164 ADC module boasts very good measurements and a good level of performance:
- 0.00047% THD+N
- Low output noise at 0.97uVrms
- SNR up to 119dB
- Dynamic range up to 111dB
- High level of flexibility thanks to various operating modes
- 3-wire I2S output for signal protection against EMI/RFI interference
Wondom AA-AB41164 ADC module overview
| 1 | Power connector for 6-24V DC battery (Wondom BCPB) |
| 2 | MicroFit 6-24V DC power connector |
| 3 | Balanced left channel input |
| 4 | Single-ended stereo signal input |
| 5 | Balanced right channel input |
| 6 | I2S output |
| 7 | Input selector (Balanced / Single-ended) |
| 8 | Dip switch for operating mode selection |
WONDOM AA-AB41164: Output and input mode selection
Note that "LOW" mode is always selected by turning the switch upwards, and downwards for "HIGH" mode.
Technical characteristics
| Specifications | |
|---|---|
| Product type | ADC board |
| ADC chip | Burr-Brown TI PCM1822 |
| Inputs | 1x Single-ended stereo signal input 1x Balanced stereo signal input |
| Ouput | I2S |
| Supported sample rates | PCM up to 24bit 192kHz |
| AUdio Performances | ||||
|---|---|---|---|---|
| Parameters | Conditions | Min. | Typ. | Max. |
| Frequency response | Vin=100Vrms (VCC=12V) | 0.02kHz | - | 20kHz |
| Gain | Balanced and unbalanced | - | -0.31dB | - |
| Input sensitivity | Balanced and unbalanced | - | 0.1mV | - |
| Bandwidth @ +/-3dB | - | 20Hz | - | 20kHz |
| THD+N | VCC=12V Niveau=100mVrms (A-wt) | - | 0.00047% | - |
| Output noise level | Input connected to GND (A-wt) | - | 0.97uVrms | - |
| SNR | VCC=12V Level=100mVrms (A-wt) | - | 119.93dB | - |
| ELectrical SPecifications | ||||
|---|---|---|---|---|
| Parameters | Conditions | Min. | Typ. | Max. |
| Frequency response | Voltage DC power supply | 6V DC | 12V DC | 24V DC |
| Sample rates | - | 8kHz | 48/96kHz | 192kHz |
| Rated current | VCC=12V | 0.08A | 0.12A | 0.3A |
| Idle power | VCC=12V | 1.35W | 1.5W | 1.65W |
| Output I2S parameter | 24bit 44.1-48/96kHz | - | 48kHz | - |
| Input impedance | Balanced and unbalanced | - | 2.5kΩ | - |
| Operating temperature | Operating ambient temperature | -20°C | 25°C | 65°C |
| GEnEral | |
|---|---|
| Dimensions | 76.2 x 50.8 x 12mm |
| Package | 1x Wondom ADC module AA-AB41164 1x JST PH-5 line input cable to 3.5mm female jack input 1x Microfit-2 power cable to bare wires |
| Input | PCB Connector |
| Input | Jack 3.5mm |
| Output | I2S |
| DAC / ADC Chip | PCM1822 |
| Max sampling rate | 192kHz |
| Color | Black |
| Interface chip | NC |
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