AK7735EQ Datasheet, PDF (18/142 Pages) Asahi Kasei Microsystems – Dual DSP with 4chADC + 4chDAC + 4chSRC

[AK7735]
6. SRC
(Ta=25C; AVDD=LVDD=TVDD=VDD33=3.3V; AVSS=DVSS1=DVSS2=DVSS3=0V; Signal Frequency
=1kHz; 24bit Data; Measurement Frequency BW=20Hz ~ FSO/2)
Parameter
Symbol Min. Typ. Max. Unit
Resolution
24
bit
Input Sample Rate
FSI
8
192 kHz
Output Sample Rate
FSO
8
192 kHz
THD+N (Input=1kHz, 0dBFS)
Audio Mode
(SRCFAUD bit = “1”, SRCFEC bit = “0”)
FSO/FSI=192kHz/48kHz
FSO/FSI=44.1kHz/48kHz
FSO/FSI=48kHz/88.2kHz
FSO/FSI=48kHz/96kHz
FSO/FSI=44.1kHz/96kHz
FSO/FSI=48kHz/192kHz
FSO/FSI=8kHz/48kHz
-122
dB
-125
dB
-122
dB
-133
dB
-116
dB
-133
dB
-130
dB
SRC
Voice Mode
(SRCFAUD bit = “0”, SRCFEC bit = “0”)
FSO/FSI=24kHz/32kHz
FSO/FSI=16kHz/24kHz
FSO/FSI=24kHz/44.1kHz
FSO/FSI=16kHz/44.1kHz
FSO/FSI=8kHz/32kHz
Dynamic Range (Input=1kHz, -60dBFS)
-95
dB
-98
dB
-78
dB
-69
dB
-130
dB
Audio Mode
(SRCFAUD bit = “1”, SRCFEC bit = “0”)
FSO/FSI=192kHz/48kHz
FSO/FSI=44.1kHz/48kHz
FSO/FSI=48kHz/88.2kHz
FSO/FSI=48kHz/96kHz
FSO/FSI=44.1kHz/96kHz
FSO/FSI=48kHz/192kHz
FSO/FSI=8kHz/48kHz
132
dB
136
dB
136
dB
135
dB
136
dB
136
dB
130
dB
Voice Mode
(SRCFAUD bit = “0”, SRCFEC bit = “0”)
FSO/FSI=24kHz/32kHz
134
dB
FSO/FSI=16kHz/24kHz
137
dB
FSO/FSI=24kHz/44.1kHz
132
dB
FSO/FSI=16kHz/44.1kHz
128
dB
FSO/FSI=8kHz/32kHz
130
dB
Dynamic Range
(Input=1kHz, -60dBFS, A-weighted)
FSO/FSI=44.1kHz/48kHz
-
137
-
dB
Ratio between Input and Output Sample Rate FSO/FSI 0.167
6
-
016014707-E-00
- 18 -
2016/12