AK4490EQ Datasheet, PDF (19/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC

[AK4490]
■ DSD Mode Characteristics
(Ta=-40~85C; VDDL/R=4.75  7.2V, AVDD= DVDD=3.0 3.6V; fs=44.1kHz; D/P bit=“1”, DSDF
bit=“0”)
Parameter
min
typ
max
Unit
Digital Filter Response
Frequency Response (Note 18) ^20kHz
-0.4
dB
50kHz
-2.8
dB
100kHz
-15.5
dB
(Ta=-40~85C; VDDL/R=4.75  7.2V, AVDD= DVDD=3.0 3.6V; fs=44.1kHz; D/P bit=“1”, DSDF bit=“1”
DSDD bit=“1”)
Parameter
min
typ
max
Unit
Digital Filter Response
20kHz
-0.05
dB
Frequency Response (Note 18)
50kHz
-0.29
dB
100kHz
-1.16
dB
150kHz
-2.8
dB
Note 17. The peak level of DSD signal should be in the range of 25% ~ 75% Duty according to the SACD
format book (Scarlet Book).
Note 18. The output level is assumed as 0dB when a 1kHz 25% ~ 75% Duty sine wave is input.
■ DC Characteristics
(Ta=25C; AVDD=DVDD=3.0  3.6, VREFHL/R=VDDL/R=4.75  7.2V)
Parameter
Symbol
min
typ
max
Unit
High-Level Input Voltage
VIH 70%DVDD
-
-
V
Low-Level Input Voltage
VIL
-
-
30%DVDD V
High-Level Output Voltage (Iout=100A) VOH DVDD0.5
-
-
V
Low-Level Output Voltage
(DZFL, DZFR pins: Iout=100A)
VOL
-
-
0.5
V
(SDA pin:
Iout=3mA)
VOL
-
-
0.4
V
Input Leakage Current
(Note 19)
Iin
-
-
10
A
Note 19. The DEM1, I2C and ACKS pins have internal pull-down and DEM0 and PSN pins have internal
pull-up devices, nominally 100k. Therefore the DEM1, I2C, ACKS, DEM0 and PSN pins are not
included.
MS1648-E-03
- 19 -
2014/11