[AK4611]
AK4611
4/8-Channel Audio CODEC
GENERAL DESCRIPTION
The AK4611 is a single chip audio CODEC that includes four ADC channels and eight DAC channels.
The converters are designed with Enhanced Dual Bit architecture for the ADC’s, and Advanced Multi-Bit
architecture for the DAC, enabling very low noise performance. Fabricated on a low power process, the
AK4611 operates off of a +3.3V analog supply and a +1.8V digital supply. The AK4611 supports both
single-ended and differential inputs and outputs. A wide range of applications can be realized, including
home theater, pro audio and car audio. The AK4611 is available in an 80-pin LQFP package.
FEATURES
1. 4channel 24bit ADC
- 128x Oversampling
- Linear Phase Digital Anti-Alias Filter
- Analog Anti-Alias Filter for Single-Ended Input and Differential Input
- ADC S/(N+D)
92dB: Single-Ended Input
97dB: Differential Input
- ADC DR, S/N
103dB: Single-Ended Input
104dB: Differential Input
- Digital HPF for offset cancellation
- I/F format: MSB justified, I
2
S or TDM
- Overflow flag
2. 8channel 24bit DAC
- 128x Oversampling
- Linear Phase 24bit 8 times Digital Filter
- Analog Smoothing Filter for Single-Ended Output
- DAC S/(N+D)
94dB: Single-Ended Output
100dB: Differential Output
- DAC DR, S/N
105dB: Single-Ended Output
108dB: Differential Output
- Individual channel digital volume with 256 levels and 0.5dB steps
- Soft mute
- De-emphasis for 32kHz, 44.1kHz and 48kHz
- Zero Detect Function
- I/F format: MSB justified, LSB justified (16bit, 20bit, 24bit), I
2
S or TDM
3. Sampling Frequency
- Normal Speed Mode: 32kHz to 48kHz
- Double Speed Mode: 64kHz to 96kHz
- Quad Speed Mode: 128kHz to 192kHz
4. Master / Slave mode
MS1050-E-02
-1-
2010/06
[AK4611]
5. Master clock
- Slave mode: 256fs, 384fs or 512fs (Normal Speed Mode: fs=32kHz
∼
48kHz)
256fs
(Double Speed Mode: fs=64kHz
∼
96kHz)
128fs
(Quad Speed Mode: fs=128kHz
∼
192kHz)
- Master mode: 256fs or 512fs
(Normal Speed Mode: fs=32kHz
∼
48kHz)
256fs
(Double Speed Mode: fs=64kHz
∼
96kHz)
128fs
(Quad Speed Mode: fs=128kHz
∼
192kHz)
2
6. 4-wire Serial and I C Bus µP I/F for mode setting
7. Power Supply
- Analog Power Supply: AVDD1, AVDD2 = 3.0
∼
3.6V
- Digital Power Supply: DVDD = 1.6
∼
2.0V
- I/O Buffer Power Supply: TVDD1, TVDD2 = 1.6
∼
3.6V
8. Power Supply Current : 81 mA (fs=48kHz)
9. Ta = -20 ~ 85ºC (AK4611EQ), - 40
∼
105ºC (AK4611VQ)
10. Package: 80pin LQFP (0.5mm pitch)
MS1050-E-02
-2-
2010/06
[AK4611]
■
Compatibility with AK4628
1.
Functions
Function
Number of ADC channel
Number of DAC channel
Input
Output
I/F Format
TDM512
XTAL OSC
Parallel / Serial Select Pin
Control Data Output Pin
Ta
Package
2. Power Supply
Voltage Name
AVDD
AVDD1
AVDD2
DVDD
TVDD
TVDD1
TVDD2
3. Specification
Parameter
Fs (AD/DA)
THD+N (AD/DA)
S/N (AD/DA)
Output DATT
µP I/F
AK4628
96k / 192k
Single: 92 / 90
Differential : - / -
Single: 102 / 106
Differential : - / -
128 level
100k I2C, 3wire
AK4611
192k / 192k
Single: 92 / 94
Differential : 97 / 100
Single: 103 / 105
Differential: 104 / 108
256 level
400k I2C, 4wire
AK4628
4.5
∼
5.5V
No
No
4.5
∼
5.5V
2.7
∼
5.5V
No
No
AK4611
No
3.0
∼
3.6V
3.0
∼
3.6V
1.6
∼
2.0V
No
1.6
∼
3.6V
1.6
∼
3.6V
AK4628
2-channel
8-channel
Single
Single
I2S, LJ, RJ(20/24bit), TDM
No
No
Yes
No
-40
∼
+85°C
44pinLQFP
AK4611
4-channel
8-channel
Single or Diff
Single or Diff
I2S, LJ, RJ(16/20/24bit), TDM
Fs=48kHz
Yes
No
Yes
-40
∼
+105°C
80pinLQFP
MS1050-E-02
-5-
2010/06
京公网安备 11010802033920号
EEWORLD
