參數(shù)資料
型號(hào)： AK4650
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： 16Bit ツヒ CODEC with MIC/HP/SPK-AMP & TSC
中文描述： 16位ツヒ編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù)： 12/86頁
文件大?。?/td> 824K
代理商： AK4650
[AK4650]
MS0502-E-01
2007/04
- 12 -
Parameter
Headphone-Amp Characteristics:
R
L
=16
Ω
, DAC
→
HPL/HPR pins, DATT=0dB
Output Voltage (Note 14)
0dBFS Input
6dBFS Input
S/(N+D)
0dBFS Input
6dBFS Input
S/N
(A-weighted)
Interchannel Isolation (
6dBFS Input)
Interchannel Gain Mismatch (
6dBFS Input)
Load Resistance
Load Capacitance (Note 15)
Headphone Detection:
HDT pin
Comparator Voltage Level (Note 16)
Internal pull up Resistance
Speaker-Amp Characteristics:
R
L
=8
Ω
, BTL, DAC
→
MOUT2 pin
→
MIN pin
→
SPP/SPN pins, ALC2=OFF
Output Voltage (Note 17)
2.5dBFS Input
7.5dBFS Input
S/(N+D)
2.5dBFS Input
7.5dBFS Input
S/N
(A-weighted)
Load Resistance
Load Capacitance (Note 15)
Mono Output:
DAC
→
MIX
→
MOUT2 pin
Output Voltage (Note 18)
Load Resistance (Note 19)
Load Capacitance (Note 15, Note 19)
Mono Input:
MIN pin
Maximum Input Voltage (Note 20)
Input Resistance (Note 21)
BEEP Input:
BEEP pin, External input resistance = 20k
Ω
Maximum Input Voltage (Note 22)
Feedback Resistance
Output Voltage (0.8Vpp input)
BEEP pin
→
HPL/HPR pins
BEEP pin
→
SPP/SPN pins, ALC2 bit = “0”
Note 14. Output voltage is proportional to AVDD voltage. Vout = 0.12 x AVDD Vrms(typ)@
6dBFS.
Note 15. When the output pin drives a capacitive load, a resistor should be added in series between the output pin and
capacitive load.
Note 16. Comparator Voltage Level is proportional to HVDD voltage. Vth = 0.3 x HVDD(min), 0.7 x HVDD(max).
Note 17. Output voltage is proportional to HVDD voltage. Vout = 0.28 x AVDD Vrms(typ)@
6dBFS at Full-differential
output.
Note 18. Output Voltage is proportional to AVDD voltage. Vout = 0.6 x AVDD(typ).
Note 19. These values do not include the input resistance or capacitance of the MIN pin.
Note 20. Maximum Input Voltage is proportional to AVDD voltage. Vin = 0.6 x AVDD(typ).
Note 21. When ALC2 Gain is changed, this typical value changes between 22k
Ω
and 26k
Ω
.
Note 22. Maximum Input Voltage depends on AVDD voltage, internal feedback resistance (Rf) and external input
resistance (Ri). Vin = 0.6 x AVDD x Ri / Rf (typ).
min
typ
max
Units
-
0.82
0.41
35
60
90
85
0.1
-
-
-
Vrms
Vrms
dB
dB
dB
dB
dB
Ω
pF
0.32
-
50
80
60
-
16
-
0.50
-
-
-
-
-
-
300
0.99
50
-
2.31
150
V
k
Ω
100
-
1.55
0.94
20
55
90
-
-
-
Vrms
Vrms
dB
dB
dB
Ω
pF
0.75
-
40
80
8
-
1.13
-
-
-
-
30
-
1.98
-
-
-
-
Vpp
k
Ω
pF
30
-
20
-
1.98
24
-
Vpp
k
Ω
12
36
-
-
1.98
20
0.09
2.53
-
-
Vpp
k
Ω
Vpp
Vpp
0.045
1.26
0.135
3.80
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PDF描述
AK4650VG 16Bit ツヒ CODEC with MIC/HP/SPK-AMP & TSC
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