AK7755EN_16 Datasheet, PDF (16/109 Pages) Asahi Kasei Microsystems – DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp

[AK7755]
6. DAC+Line-out Amp
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] bits = “00”; LOVOL1/2/3[3:0] bits = Fh(0dB);
Parameter
min
typ
max Unit
Resolution
24
Bit
DAC _{Dynamic Characteristics 1 (OUT1, OUT2, OUT3)}
S/(N+D) (0 dBFS)
fs=48kHz
fs=96kHz
80
91
89
dB
Dynamic Range (Note 18)
fs=48kHz (A-weighted)
fs=96kHz
100
106
101
dB
S/N
fs=48kHz (A-weighted) 100
106
fs=96kHz
101
dB
Inter-Channel Isolation (f=1kHz) (Note 19)
90
110
dB
DC accuracy
Channel Gain Mismatch
0.0
0.5
dB
Analog Output
Output Voltage
(Note 20)
2.28
2.51
2.74 Vp-p
Load Resistance
10
kΩ
Load Capacitance
30
pF
Note 18. S/(N+D) when -60dB FS signal is applied.
Note 19. Indicates inter-channel isolation between Lch and Rch of DAC when –1dBFS signal is input.
Note 20. Full-scale output voltage. The output voltage is proportional to AVDD (AVDD x 0.76).
014006643-E-00
- 16 -
2014/10