AK4642EN Datasheet, PDF (4/83 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4642EN]
„ Comparison with AK4537
Function
Mic Input
Stereo Mic Input
MIC-Power
MIC-Amp
MIC ALC
Wind-noise Reduction Filter
Stereo Separation Emphasis
Mono Mic Mode
ALC for Playback
DATT
Bass Boost
DAC Digital Filter
Stopband Attenuation
Line Output Level
Usage for Piezo Speaker
PLL Input Frequency
µP I/F
X’tal
MCKI AC Input
MCKI Pull-down
Analog Loopback
Mono Line Output
Stereo Beep Input
Power Supply (HVDD)
Package
Register Map
AK4537
Single-ended
1-Input
2-Output, R_L=2kΩ (min)
+20dB or 0dB
+27.5dB to –8dB, 0.5dB step
N/A
N/A
N/A
SP only, +18dB to –8dB
0 to –127dB, Mute
+5.74dB/+5.94dB/+16.04dB@20Hz
43dB
1.98Vpp
N/A
11.2896MHz, 12MHz, 12.288MHz
4-wire/I²C(100kHz mode)
Available
Available
Available
Available
Available
Available
2.4 ∼ 3.6V
52pin QFN (7.2mm x 7.2mm)
AK4642EN
Single-ended / Full-differential
2-Input selectable
1-Output, R_L=0.5kΩ (min)
+32dB/+26dB/+20dB or 0dB
+36dB to –54dB, 0.375dB step, Mute
Available
Available
Available
Line/HP/SP, +36dB to –54dB
+12 to –115dB, Mute
+5.76dB/+10.80dB/+16.06dB@20Hz
59dB
1.98Vpp/2.50Vpp
Available
11.2896MHz, 12MHz, 12.288MHz,
13.5MHz, 24MHz, 27MHz
3-wire/I²C(400kHz mode)
N/A
N/A
N/A
N/A
N/A
N/A
2.6 ∼ 5.25V
32pin QFN (5mm x 5mm)
No Compatibility
MS0420-E-00
-4-
2005/09