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參數(shù)資料
| 型號： | LAG673D |
| 廠商： | MITSUMI ELECTRIC CO LTD |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.028 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP30 |
| 封裝： | SDIP-30 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 76K |
| 代理商： | LAG673D |
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
ICC
VIN=0V, IM=0mA
18
25
mA
(excluding motor speed controller unit)
Preamp unit (Ta=25°C)
Open-circuit gain
Gvo
Vo=-10dBm, RL=
∞
72
dB
Closed-circuit gain
Gvc
Vo=-10dBm
40
42
44
dB
Maximum output voltage
Vom
THD=10%
0.30
0.45
Vrms
Total harmonic distortion ratio
THD
VOUT=400mVrms
0.05
0.5
%
Output noise voltage
Vno
VIN=0V, Rg=2.2k
, BPF=30Hz~20kHz
150
300
Vrms
Input impedance
Zin
VOUT=-10dBm
18
22
k
Crosstalk between channels
C T
Rg=2.2k
, VOUT=-10dBm
30
dB
Output voltage with preamp off
Vooff
VIN=100mVrms
-50
dB
Output resistance with preamp off
Rooff
10
k
Input resistance with preamp off
Rioff
10
k
Attenuator unit (Ta=25°C)
Maximum input voltage
Vi max.
0.2
Vrms
Maximum attenuation
Va max.
Vcont=min.
66
dB
Attenuation error
Vaerr
Vcont=max.
0
dB
Input impedance
Zia
15
20
k
Control pin input resistance
Zicot
100
k
Power amp unit (Ta=25°C)
Voltage gain
Gv
POUT=5mW
26
28
30
dB
Voltage gain difference between channels
Gv
Vcont=max.
0
3
dB
Maximum output power I
Pom
THD=10%, RL=32
20
28
mW
Maximum output power II
Pom
THD=10%, RL=16
30
mW
Total harmonic distortion ratio
THD
POUT=5mW
0.2
2.0
%
Crosstalk between channels
C T
POUT=5mW
45
55
dB
Output noise voltage
Vn
Rg=2.2k
, Vcont=min.
0.25
1.0
mVrms
Ripple rejection
RR
100Hz, 100mVp-p42
50
dB
Noise of preamp + power amp
Vnto
VIN=0V, Rg=2.2k
, Vcont=max.
6
9
mVrms
Motor control unit (Ta=25°C)
Consumption current
IMC
3.0
5.0
mA
Startup current
IMS
500
mA
Reference voltage
Vref
Between RML-ADJ pins
0.72
0.80
0.87
V
Reference voltage fluctuation I
Vref1
VCC between 2.0 and 5.0V
*
0.05
%/V
Reference voltage fluctuation II
Vref2
IM between 25 and 250 mA
0.01
%/mA
Reference voltage fluctuation III
Vref3
Ta between -10 and 50°C
0.01
%/°C
Current coefficient
K32
38
43
Current coefficient fluctuation IK1
VCC between 2.0 and 6.5 V
0.5
%/V
Current coefficient fluctuation II
K2
IM between 25 and 250 mA
0.05
%/mA
Current coefficient fluctuation III
K3
Ta between -10 and 60°C
0.02
%/°C
Output voltage on forced on
VCEsa
TM=200mA
0.6
V
Input resistance on forced on
Rion
5.6
k
Leakage current on forced off
IML
200
A
Input resistance on forced off
Ricon
33
k
Conditions: VCC=3.0 V, IM = 100 mA
Motor: M25E-7 (Mitsumi model)
*Voltage drift between pins 17 and 13
VRL
K=-------------
R1
IM
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