[AK4711]
ANALOG CHARACTERISTICS (AUDIO)
(Ta=25°C; VP=12V, VD1=VD2=VVD=HDVVD= 3.3V; Signal Frequency=1kHz; Measurement frequency=20Hz
∼
20kHz; R
L
≥4.5kΩ;
0dB=2Vrms output; Volume =0dB, unless otherwise specified)
Parameter
min
typ
max
Units
Analog Input:
(AINL+/AINL-/AINR-/AINR+ pins)
Analog Input Characteristics
2.0
Vrms
Input Voltage
(AIN+)
−
(AIN−)
7)
Input Resistance
(AINL+, AINR+ pins)
85
120
kΩ
Input Resistance
(AINL-, AINR- pins)
85
120
-
kΩ
Stereo/Mono Output:
(TVOUTL/TVOUTR pins)
8)
Analog Output Characteristics
Volume Step Width
TBD
3.0
TBD
dB
TBD
dB
THD+N
(at 2Vrms output,
−92
TBD
96
dB
Dynamic Rang (−60dB Output, A-weighted,
S/N
(A-weighted,
TBD
96
dB
Interchannel Isolation
TBD
90
dB
Interchannel Gain Mismatch
-0.5
0
+0.5
dB
DC offset
-5
0
+5
mV
Gain Drift
-
200
-
ppm/°C
Load Resistance
TVOUTL/R
4.5
kΩ
Load Capacitance
TVOUTL/R
20
pF
Output Voltage
9)
1.8
2
2.2
Vrms
Power Supply Rejection (PSR)
-
50
dB
Note 7. f = 1kHz, THD+N < -80dB, gain = 0dB(Volume=0dB)
Note 8. Measured by Audio Precision System Two Cascade.
Note 9. The output level of the internal AMP with volume should be less than 2Vrms.
Note 10. Analog In to TVOUT. Path : AINL+/−
→
TVOUTL, AINR+/−
→
TVOUTR, Volume=0dB.
At 2Vrms single input, TDH+N is -91dB (typ), on path AINL+
→
TVOUTL, AINR+
→
TVOUTR,
Volume=0dB
Note 11. Between TVOUTL and TVOUTR with analog inputs AINL+/−, AINL/R+/−, 1kHz/0dB.
Inter-channel crosstalk is -80dB (typ), at 20Hz~20kHz other than 1kHz.
Note 12. -79dB (typ) referred to 0.5Vrms output level at Volume=+24dB
: path = AIN+/-
→
TVOUT.
Note 13. Analog In to TVOUT. Volume=0dB
Path : AINL+/−
→
TVOUTL, AINR+/−
→
TVOUTR
Note 14. 82dB (typ) referred to 0.5Vrms output level at Volume=+24dB
84dB (typ), referred to 0.5Vrm output level at Volume = +21dB.
: path = AIN+/-
→
TVOUT.
Note 15. The PSR is applied to VD1 and VD2 with 1kHz, 100mV.
Rev. 0.4
-8-
2011/07
AKM [ ASAHI KASEI MICROSYSTEMS ]
