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Part Number: AK4527B
Description: The AK4527B is a single chip CODEC that includes two channels of ADC and six channels of DAC. The ADC ...
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AK4527B
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General Description
AK4527B General Description
The AK4527B is a single chip CODEC that includes two channels of ADC and six channels of DAC. The ADC outputs 24bit data and the DAC accepts up to 24bit input data. The ADC has the Enhanced Dual Bit architecture with wide dynamic range. The DAC introduces the new developed Advanced Multi-Bit architecture, and achieves wider dynamic range and lower outband noise. An auxiliary digital audio input interface maybe used instead of the ADC for passing audio data to the primary audio output port. Control may be set directly by pins or programmed through a separate serial interface.The AK4527B has a dynamic range of 102dB for ADC, 106dB for DAC and is well suited for digital surround for home theater and car audio. An AC-3 system can be built with a IEC60958(SPDIF) receiver such as the AK4112A. The AK4527B is available in a small 44pin LQFP package which will reduce system space.
AK4527B Maximum Ratings
(AVSS, DVSS=0V; Note 1)
Notes: 1. All voltages with respect to ground.
2. AVSS and DVSS must be connected to the same analog ground plane.
| Parameter |
Symbol |
min |
max |
Units | |
| Power Supplies |
Analog Digital Output buffer |AVSS-DVSS| (Note 2) |
AVDD |
-0.3 -0.3 -0.3 - |
6.0 6.0 6.0 0.3 |
V V V V |
| Input Current, Any Pin Except Supplies |
IIN |
- |
±10 |
mA | |
| Analog Input Voltage |
VINA |
-0.3 |
AVDD+0.3 |
V | |
| Digital Input Voltage |
VIND |
-0.3 |
AVDD+0.3 |
V | |
| Ambient Temperature (powered applied) |
Ta |
-40 |
85 |
°C | |
| Storage Temperature |
Tstg |
-65 |
150 |
°C | |
2. AVSS and DVSS must be connected to the same analog ground plane.
AK4527B Features
2ch 24bit ADC
- 64x Oversampling
- Sampling Rate up to 96kHz
- Linear Phase Digital Anti-Alias Filter
- Differential Inputs with single-ended use capability
- S/(N+D): 92dB
- Dynamic Range, S/N: 102dB
- Digital HPF for offset cancellation
- I/F format: MSB justified or I2S
- Overflow flag
6ch 24bit DAC
- 128x Oversampling
- Sampling Rate up to 96kHz
- 24bit 8 times Digital Filter
- Single-Ended Outputs
- On-chip Switched-Capacitor Filter
- S/(N+D): 90dB
- Dynamic Range, S/N: 106dB
- I/F format: MSB justified, LSB justified(20bit,24bit) or I2S
- Individual channel digital volume with 256 levels and 0.5dB step
- Soft mute
- De-emphasis for 32kHz, 44.1kHz and 48kHz
- Zero Detect Function
High Jitter Tolerance
TTL Level Digital I/F
3-wire Serial and I2C Bus P I/F for mode setting
Master clock:256fs, 384fs or 512fs for fs=32kHz to 48kHz
128fs, 192fs or 256fs for fs=64kHz to 96kHz
Power Supply: 4.5 to 5.5V
Power Supply for output buffer: 2.7 to 5.5V
Small 44pin LQFP
- 64x Oversampling
- Sampling Rate up to 96kHz
- Linear Phase Digital Anti-Alias Filter
- Differential Inputs with single-ended use capability
- S/(N+D): 92dB
- Dynamic Range, S/N: 102dB
- Digital HPF for offset cancellation
- I/F format: MSB justified or I2S
- Overflow flag
6ch 24bit DAC
- 128x Oversampling
- Sampling Rate up to 96kHz
- 24bit 8 times Digital Filter
- Single-Ended Outputs
- On-chip Switched-Capacitor Filter
- S/(N+D): 90dB
- Dynamic Range, S/N: 106dB
- I/F format: MSB justified, LSB justified(20bit,24bit) or I2S
- Individual channel digital volume with 256 levels and 0.5dB step
- Soft mute
- De-emphasis for 32kHz, 44.1kHz and 48kHz
- Zero Detect Function
High Jitter Tolerance
TTL Level Digital I/F
3-wire Serial and I2C Bus P I/F for mode setting
Master clock:256fs, 384fs or 512fs for fs=32kHz to 48kHz
128fs, 192fs or 256fs for fs=64kHz to 96kHz
Power Supply: 4.5 to 5.5V
Power Supply for output buffer: 2.7 to 5.5V
Small 44pin LQFP
AK4527B Connection Diagram
AK4527B
PDF/DataSheet Download
- Datasheet: AK4527B
- File Size: 357181 KB
- Manufacturer: AKM [Asahi Kasei Microsystems]
- Click here to Download
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