AK4705 Datasheet, PDF (12/50 Pages) Asahi Kasei Microsystems – 2ch 24bit DAC with AV SCART Switch

DIGITAL CHARACTERISTICS
(Ta = 25°C; VD = 4.75 ∼ 5.25V)
Parameter
Symbol
min
typ
High-Level Input Voltage
VIH
2.0
-
Low-Level Input Voltage
VIL
-
-
Low-Level Output Voltage
VOL
-
-
(SDA pin: Iout= 3mA, INT pin: Iout= 1mA)
Input Leakage Current
Iin
-
-
[AK4705]
max
-
0.8
0.4
± 100
Units
V
V
V
μA
ANALOG CHARACTERISTICS (AUDIO)
(Ta = 25°C; VP=12V, VD = 5V; VVD1=VVD2 = 5V; fs = 48kHz; BICK = 64fs; Signal Frequency = 1kHz; 24bit Input
Data; Measurement frequency = 20Hz ∼ 20kHz; R_L ≥4.5kΩ; Volume #0=Volume #1=0dB, 0dB=2Vrms output; unless
otherwise specified)
Parameter
min
typ
max
Units
DAC Resolution
24
bit
Analog Input: (TVINL/TVINR/VCRINL/VCRINR pins)
Analog Input Characteristics
Input Voltage
Input Resistance
100
150
2
Vrms
-
kΩ
Analog Input: (DACL/DACR pin)
Analog Input Characteristics
Input Voltage
Input Resistance
1
Vrms
40
60
-
kΩ
Stereo/Mono Output: (TVOUTL/TVOUTR/VCROUTL/VCROUTR/MONOOUT pins; Note: 5)
Analog Output Characteristics
Volume#0 Gain (DAPD bit = “0”)
(DVOL1-0 = “00”)
(DVOL1-0 = “01”)
(DVOL1-0 = “10”)
(DVOL1-0 = “11”. Note: 6)
-
0
-
dB
-
-6
-
dB
-
+2.44
-
dB
-
+4
-
dB
Volume#2 Gain (DAPD bit = “1”)
(DVOL1-0 = “00”)
5.3
6
6.7
dB
(DVOL1-0 = “01”)
-0.7
0
0.7
dB
Volume#1 Step Width (+6dB to –12dB)
1.6
2
2.4
dB
(-12dB to –40dB)
0.5
2
3.5
dB
(-40dB to –60dB)
0.1
2
3.9
dB
THD+N
(at 2Vrms output. Note: 7)
-86
-80
dB
(at 3Vrms output. Note: 7, Note: 8)
-60
-
dB
Dynamic Range (-60dB Output, A-weighted. Note: 7)
92
96
dB
S/N
(A-weighted. Note: 7)
92
96
dB
Interchannel Isolation (Note: 7, Note: 9)
80
90
dB
Interchannel Gain Mismatch (Note: 7, Note: 9)
-
0.3
-
dB
Gain Drift
-
200
-
ppm/°C
Load Resistance (AC-Lord)
TVOUTL/R, VCROUTL/R, MONOOUT
4.5
kΩ
Load Capacitance
TVOUTL/R, VCROUTL/R, MONOOUT
20
pF
Output Voltage (Note: 10)
Power Supply Rejection (PSR. Note: 11)
1.85
2
2.15
Vrms
-
50
dB
Note: 5. Measured by Audio Precision System Two Cascade.
Note: 6. Output clips over –2.5dBFS digital input.
Note: 7. DAC to TVOUT
Note: 8. Except VCROUTL/VCROUTL pins.
Note: 9. Between TVOUTL and TVOUTR with digital inputs 1kHz/0dBFS.
MS0451-E-01
- 12 -
2007/06