AK7752 Datasheet, PDF (10/23 Pages) Asahi Kasei Microsystems – Audio/Hands Free DSP with Stereo CODEC

[AK7752]
2) fs=48kHz
(Ta = 25°C; AVDD, DVDD = 3.3V; VREFH = AVDD, VREFL = AVSS;
BITCLK = 64fs; Signal frequency 1kHz; Measurement frequency = 20Hz to 3.4kHz; fs = 48kHz;
CKM Mode 0 (CKM [3:0]=LLLL) Unless otherwise specified. )
Parameter
min
typ
max
ADC
Resolution
24
Section Dynamic Characteristics
S/(N+D) (-1dBFS)
76
86
Dynamic Range (A-weighted)
(Note 12)
83
91
S/N (A-weighted)
83
91
Inter-Channel Isolation (f=1kHz) (Note 13)
90
110
DC accuracy
Channel Gain Mismatch
0.2
0.5
Analog Input
Input Voltage
(Note 14)
1.80
2.00
2.20
Input Impedance
35
50
DAC
Resolution
18
Section Dynamic Characteristics
S/(N+D) (0 dB)
78
88
Dynamic Range (A-weighted)
(Note 12)
87
95
S/N (A-weighted)
87
95
Inter-Channel Isolation (f=1kHz) (Note 15)
85
100
DC Accuracy
Channel Gain Mismatch
0.2
0.5
Analog input
Output Voltage
(Note 16)
1.85
2.00
2.15
Load Resistance
10
Load Capacitance
50
Note 12. S/(N+D) when -60dB signal is applied.
Note 13. Inter-channel isolation between ALINE_IN and ANE_IN at –1 dB FS signal input.
Note 14. The full scale for analog input voltage is FS=(VREFH-VREFL)×0.606.
Note 15. Between ANE_OUT and ALINE_OUT.
Note 16. Full scale output voltage when VREFH=AVDD, VREFL=AVSS.
Units
Bits
dB
dB
dB
dB
dB
Vp-p
kΩ
Bits
dB
dB
dB
dB
dB
Vp-p
kΩ
pF
MS0578-E-01-PB
- 10 -
2007/09