AK4707 Datasheet, PDF (12/42 Pages) Asahi Kasei Microsystems – AV SCART Switch

ASAHI KASEI
[AK4707]
ANALOG CHARACTERISTICS (AUDIO)
(Ta = 25°C; VP = 12V, VD = 5V; VVD1 = VVD2 = 5V; Signal Frequency = 1kHz;
Measurement frequency = 20Hz ∼ 20kHz; R_L ≥4.5kΩ; 0dB=2Vrms output; unless otherwise specified)
Parameter
min
typ
max
Analog Input: (TVINL/TVINR/VCRINL/VCRINR pins)
Analog Input Characteristics
Input Voltage
2.0
Input Resistance
100
150
-
Analog Input: (AINL+/AINL-/AINR-/AINR+ pins)
Analog Input Characteristics
Input Voltage
1.0
Input Resistance
100
150
-
Stereo/Mono Output: (TVOUTL/TVOUTR/VCROUTL/VCROUTR pins) (Note 6)
Analog Output Characteristics
Volume#0 Step Width
2.3
3.0
3.7
THD+N
(at 2Vrms output)
(Note 7)
−86
-80
Dynamic Range (−60dB Output, A-weighted) (Note 7)
92
96
S/N
(A-weighted)
(Note 7)
92
96
Interchannel Isolation
(Note 7,Note 8)
80
90
Interchannel Gain Mismatch
8)
(Note 7,Note
-
0.3
-
Gain Drift
-
200
-
Load Resistance
(AC-Lord, Note 10)
TVOUTL/R, VCROUTL/R
4.5
Load Capacitance
TVOUTL/R, VCROUTL/R
20
Output Voltage
1.85
2
2.15
Frequency Response 0 ∼ 20.0kHz
± 0.5
Power Supply Rejection (PSR)
(Note 9)
-
50
Note 6. Measured by Audio Precision System Two Cascade.
Note 7. Analog In to TVOUT. Path : AINL+/− → TVOUTL, AINR+/− Æ TVOUTR
Note 8. Between TVOUTL and TVOUTR with analog inputs AINL+/-, AINR+/-, 1kHz/0dB.
Note 9. The PSR is applied to VD with 1kHz, 100mV.
Note 10. THD+N: -80dB(min. at 2Vrns)
Units
Vrms
kΩ
Vrms
kΩ
dB
dB
dB
dB
dB
dB
ppm/°C
kΩ
pF
Vrms
dB
dB
MS0551-E-00
- 12 -
2006/10