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參數(shù)資料
| 型號(hào)： | LAG673 |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | IC for Headphone Stereos Monolithic IC |
| 中文描述： | 集成電路耳機(jī)音響單片集成電路 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 112K |
| 代理商： | LAG673 |
MITSUMI
IC for Headphone Stereos LAG673
Electrical Characteristics
(Except where noted otherwise, Ta=25
°
C)
Item
Symbol
Measurement conditions
Min. Typ. Max. Units
Consumption current
(excluding motor speed controller unit)
Preamp unit (Ta=25
°
C)
Open-circuit gain
Closed-circuit gain
Maximum output voltage
Total harmonic distortion ratio
Output noise voltage
Input impedance
Crosstalk between channels
Output voltage with preamp off
Output resistance with preamp off
Input resistance with preamp off
Attenuator unit (Ta=25
°
C)
Maximum input voltage
Maximum attenuation
Attenuation error
Input impedance
Control pin input resistance
Power amp unit (Ta=25
°
C)
Voltage gain
Voltage gain difference between channels
Maximum output power
I
Maximum output power
II
Total harmonic distortion ratio
Crosstalk between channels
Output noise voltage
Ripple rejection
Noise of preamp + power amp
Motor control unit (Ta=25
°
C)
Consumption current
Startup current
Reference voltage
Reference voltage fluctuation
I
Reference voltage fluctuation
II
Reference voltage fluctuation
III
I
CC
V
IN
=0V, I
M
=0mA
18
25
mA
Gvo
Gvc
Vom
THD
Vno
Zin
C · T
Vooff
Rooff
Rioff
Vo=
-
10dBm, R
L
=
∞
Vo=
-
10dBm
THD=10%
V
OUT
=400mVrms
V
IN
=0V, Rg=2.2k
, BPF=30Hz~20kHz
V
OUT
=
-
10dBm
Rg=2.2k
, V
OUT
=
-
10dBm
V
IN
=100mVrms
72
42
0.45
0.05
150
22
dB
dB
Vrms
%
μVrms
k
dB
dB
k
k
40
0.30
44
0.5
300
18
30
-
50
10
10
Vi max.
Va max.
Vaerr
Zia
Zicot
0.2
66
Vrms
dB
dB
k
k
Vcont=min.
Vcont=max.
0
20
100
15
Gv
Gv
Pom
Pom
THD
C · T
Vn
RR
Vnto
P
OUT
=5mW
Vcont=max.
THD=10%, R
L
=32
THD=10%, R
L
=16
P
OUT
=5mW
P
OUT
=5mW
Rg=2.2k
, Vcont=min.
100Hz, 100mVp
-
p
V
IN
=0V, Rg=2.2k
, Vcont=max.
26
28
0
28
30
3
dB
dB
mW
mW
%
dB
mVrms
dB
mVrms
20
30
0.2
55
0.25
50
6
2.0
45
1.0
42
9
IMC
IMS
Vref
Vref1
Vref2
Vref3
3.0
5.0
mA
mA
V
%/V
%/mA
%/
°
C
500
0.72
Between RML
-
ADJ pins
V
CC
between 2.0 and 5.0V
*
I
M
between 25 and 250 mA
Ta between
-
10 and 50
°
C
0.80
0.05
0.01
0.01
0.87
Current coefficient
K
32
38
43
Current coefficient fluctuation
I
Current coefficient fluctuation
II
Current coefficient fluctuation
III
Output voltage on forced on
Input resistance on forced on
Leakage current on forced off
Input resistance on forced off
Conditions: V
CC
=3.0 V, I
M
= 100 mA Motor: M25E-7 (Mitsumi model)
*
Voltage drift between pins 17 and 13
K1
K2
K3
V
CC
between 2.0 and 6.5 V
I
M
between 25 and 250 mA
Ta between
-
10 and 60
°
C
T
M
=200mA
0.5
0.05
0.02
%/V
%/mA
%/
°
C
V
k
μA
k
VCEsa
Rion
IML
Ricon
0.6
5.6
200
33
V
K=
-------------
R
1
I
M
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