AKD4665A-A Datasheet, PDF (18/39 Pages) Asahi Kasei Microsystems – 20bit CODEC with built-in Input PGA and Headphone Amplifier

ASAHI KASEI
[AKD4665A-A]
MEASUREMENT RESULTS
[Measurement condition]
• Measurement unit : Audio Precession System Two Cascade
• MCLK
: 11.2896MHz
• BICK
: 64fs
• fs
: 44.1kHz
• Bit
: 20bit
• Power Supply
: AVDD = DVDD = HVDD = TVDD = 3.0V
• Measurement Filter : 10Hz ∼ 20kHz
• Temperature
: Room
Parameter
Result (Lch / Rch)
Unit
MIC-Amp: (MICIN pin Æ ADC)
THD+N (-1dBFS Output)
-90.6 / -90.4
dB
D-Range (-60dB Output, A-weighted)
93.4 / 93.4
dB
S/N
(A-weighted)
93.4 / 93.4
dB
Parameter
Result (Lch / Rch)
Unit
Analog Input Characteristics: (AINL1/AINR1 pins Æ ADC Æ IVOL),
IVOL=0dB, ALC1= OFF
THD+N (-1dBFS Output)
-91.6 / -91.2
dB
D-Range (-60dB Output, A-weighted)
94.5 / 94.5
dB
S/N
(A-weighted)
94.6 / 94.6
dB
Parameter
Result (Lch / Rch)
Unit
Headphone-Amp: (DAC Æ HPL/HPR pins),
RL=16Ω, HPG bit = “0”, ATTL7-0=ATTR7-0 bits=0dB
THD+N (0dBFS Output)
-58.7 / -58.7
dB
D-Range (-60dB Output, A-weighted)
88.4 / 88.2
dB
S/N
(A-weighted)
88.5 / 88.2
dB
Parameter
Result (Lch / Rch)
Unit
Stereo Line Output: (DAC Æ LOUT/ROUT pins),
ATTL7-0 = ATTR7-0 = ATTS3-0 bits = 0dB
THD+N (0dBFS Output)
-84.5 / -84.1
dB
D-Range (-60dB Output, A-weighted)
88.7 / 88.4
dB
S/N
(A-weighted)
88.8 / 88.5
dB
<KM082201>
- 18 -
2006/05