AK4753 Datasheet, PDF (7/85 Pages) Asahi Kasei Microsystems – 2-in, 4-out CODEC with DSP Functions

CONFIDENTIAL
[AK4753]
ANALOG CHARACTERISTICS (CODEC)
(Ta=25°C; AVDD=DVDD=3.3V; VSS1=VSS2=0V; fs=44.1kHz; BICK=64fs; Signal Frequency=1kHz; 24-bit Data;
Measurement Band Width =20Hz∼20kHz; unless otherwise specified)
Parameter
min
typ
max
Units
DAC Analog Output Characteristics: DAC → LOUT1/ROUT1, LOUT2/ROUT2 pins,
Single-ended mode (SPC1-0 bits = “11”),
HPF=LPF=EQ(5-BiQuads)=Limiter=OFF, DATT= 0dB, RL=5kΩ
Resolution
-
-
24
Bits
S/(N+D)
(0dBFS)
75
85
-
dB
DR
(-60dBFS with A-weighted)
87
97
-
dB
S/N
(A-weighted)
87
97
-
dB
Interchannel Isolation
80
95
-
dB
Interchannel Gain Mismatch
-
0
0.5
dB
Output Voltage
AOUT=0.68 x AVDD
1.98
2.24
2.51
Vpp
Load Resistance
(AC load)
5
-
-
kΩ
Load Capacitance
-
-
150
pF
Power Supply Rejection Ratio
(Note 6)
-
50
-
dB
DAC Analog Output Characteristics: DAC → LOUT+/-, ROUT+/- pins,
Differential mode (SPC1-0 bits = “00”),
HPF=LPF=EQ(5-BiQuads)=Limiter=OFF, DATT= 0dB, RL=5kΩ
S/(N+D)
(0dBFS)
78
88
-
dB
DR
(-60dBFS with A-weighted)
93
103
-
dB
S/N
(A-weighted)
93
103
-
dB
Interchannel Isolation
95
110
-
dB
Interchannel Gain Mismatch
-
0
0.5
dB
Output Voltage
AOUT=0.70 x AVDD
±2.08
±2.31
±2.54
Vpp
Load Resistance
(AC load)
5
-
-
kΩ
Load Capacitance
-
-
150
pF
Power Supply Rejection
(Note 6)
-
50
-
dB
ADC to DAC Characteristics: AINL/AINR pins → DAC → LOUT1/ROUT1, LOUT2/ROUT2 pins,
Single-ended mode (SPC1-0 bits = “11”),
HPF=LPF=EQ(5-BiQuads)=Limiter=OFF, DATT= 0dB, RL=5kΩ
Input Voltage
AIN=0.8xAVDD
2.38
2.64
2.90
Vpp
Input Resistance
24
35
-
kΩ
S/(N+D)
(-1dBFS)
73
84
-
dB
DR
(-60dBFS with A-weighted)
83
94
-
dB
S/N
(A-weighted)
83
94
-
dB
ADC to DAC Characteristics: AINL/AINR pins → DAC → LOUT+/-, ROUT+/- pins,
Differential mode (SPC1-0 bits = “00”, “01”),
HPF=LPF=EQ(5-BiQuads)=Limiter=OFF, DATT= 0dB, RL=5kΩ
Input Voltage
AIN=0.8xAVDD
2.38
2.64
2.90
Vpp
Input Resistance
24
35
-
kΩ
S/(N+D)
(-1dBFS)
74
85
-
dB
DR
(-60dBFS with A-weighted)
85
96
-
dB
S/N
(A-weighted)
85
96
-
dB
Note 6. PSRR is applied to AVDD and DVDD with 1kHz, 50mVpp.
MS1311-E-00
-7-
2011/07