AK7755EN_16 Datasheet, PDF (14/109 Pages) Asahi Kasei Microsystems – DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp

[AK7755]
4. Line-in Amp + ADC
Ta=25C; AVDD=TVDD=3.3V; DVDD=1.2V; AVSS=DVSS=0V;
Signal Frequency 1kHz; Sampling Rate fs=48kHz; Measurement Frequency =20Hz to 20kHz
Sampling Rate fs=96kHz; Measurement Frequency =20Hz to 40kHz
CKM mode0(CKM[2:0]= “000”); BITFS[1:0]= “00” (64fs);
Parameter
min
typ
max
Line-in Amp Resolution
24
+ ADC
Dynamic Characteristics
Fs=48kHz (Note 16)
77
90
S/(N+D) Fs=48kHz (Note 17)
86
(-1dBFS) Fs=96kHz (Note 16)
88
Fs=96kHz (Note 17)
85
Fs=48kHz (A-weighted) (Note 16) 92
100
Dynamic
Range
(Note 14)
Fs=48kHz (A-weighted) (Note 17)
Fs=96kHz (Note 16)
90
95
Fs=96kHz (Note 17)
86
Fs=48kHz (A-weighted) (Note 16) 92
100
S/N
Fs=48kHz (A-weighted) (Note 17)
Fs=96kHz (Note 16)
90
95
Fs=96kHz (Note 17)
86
Analog Input
Input Voltage (Note 15)
(Note 16) 2.00 2.20
2.40
(Note 17)
0.277
Note 14. S/(N+D) when -60dB FS signal is applied.
Note 15. The Lin pin.
Note 16. LIGN[3:0] bits = 0h (0dB)
Note 17. LIGN[3:0] bits = Eh (+18 dB)
Unit
Bit
dB
dB
dB
Vp-p
014006643-E-00
- 14 -
2014/10