AK4342 Datasheet, PDF (42/43 Pages) Asahi Kasei Microsystems – 24-Bit Stereo DAC with HP-AMP & 2V Line-Out

ASAHI KASEI
[AK4342]
Revision History
Date (YY/MM/DD) Revision Reason
Page
06/04/26
00
First Edition
06/05/09
01
Change
39
description
06/07/07
02
Error Correct 7
23
24
25
27
29
30
37
Contents
SYSTEM DESIGN:
Figure 32: A 2Ω resistor was added between
PVDD and HVDD pins and power
supply line.
Note: “A 2Ω resistor should be added in series ∼
the current.” was added.
ANALOG CHARACTERISTICS:
Headphone-Amp;
THD+N (fs=44.1kHz, 0dBFS output):
typ. -20dB Î -40dB
THD+N (fs=96kHz, 0dBFS output):
typ. -20dB Î -40dB
Line Output;
THD+N (fs=96kHz, 0dBFS output):
typ. -85dB Î -88dB
Headphone Output
1. Analog output volume;
See Table 12 and Table 15
Î See Table 2 and Table 15
Lineout amp
1. Analog volume for lineout;
See Table 12 and Table 15
Î See Table 2 and Table 15
Aux-out amp
Figure 19: (2) [AVCMN bit = “0”]
Î [AVCMN bit = “1”]
(3) [AVCMN bit = “1”]
Î [AVCMN bit =“0”]
Power-Up/Down Sequence:
Figure 20; The location of (4) in Figure 20 was
changed.
3-wire Serial Control Mode:
∼ 2-bit Chip address (Fixed to “10”)
Î ∼ 2-bit Chip address (Fixed to “01”)
I²C –bus Control Mode:
a. [The AK4342 supports ∼ (max.100kHz).] was
deleted.
b. [The AK4342 does not support a fast-mode
I2C-bus system (max.400kHz).]
Î [The AK4342 supports a fast-mode I2C-bus
system (max.400kHz).]
c. WRITE Operations;
[If the address exceeds 08H prior to ∼. ]
Î [If the address exceeds 09H prior to ∼.]
Addr=06H, PUT1-0:
See Table 12 Î See Table 13
MS0506-E-02
- 42 -
2006/07