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参数资料
| 型号： | LA7286 |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
| 封装： | SDIP-24 |
| 文件页数： | 3/10页 |
| 文件大小： | 180K |
| 代理商： | LA7286 |
Operating Characteristics at Ta=25 °C, VCC =12 V,f=1 kHz, 0 dBV : 1.0 Vrms
Parameter
Symbol
Conditions
min
typ
max
Unit
Current consumption (EE)
ICCE
No signal
9.5
12.0
14.5
mA
Current consumption (PB)
ICCP
No signal
8.5
11.0
13.5
mA
Current consumption (REC)
ICCR
No signal
8.5
10.5
12.5
mA
[Equalizer amplifier]
Open-circuit voltage gain
VGOE
VO = –6 dBV
58.4
64.4
dB
Equivalent input noise voltage
VNIE
Rg = 620
, DIN Audio filter
1.0
1.8
Vrms
[Line amplifier]
Voltage gain (PB input)
VGLP
VO = –6 dBV
21.0
21.5
22.0
dB
Voltage gain (LINE input)
VGLR
VO = –6 dBV
21.0
21.5
22.0
dB
Total harmonic distortion
THDL
VO = –6 dBV
0.05
0.3
%
Output noise voltage
VNOL
Rg=1 k
, DIN Audio filter
–80.0
–74.0
dBV
Maximum output voltage
VOML
THD = 1%
1.7
2.5
Vrms
Output voltage when ALC is on
VOA
VIN = –26 dBV
–7.0
–6.0
–5.0
dBV
ALC effect
ALC
VIN = –26 dBV to –6 dBV
1
3
dB
Distortion when ALC is on
THDA
VIN = –26 dBV
0.05
0.6
%
[Recording amplifier ]
Voltage gain
VGCR
VO = –6 dBV
13.5
14.0
14.5
dB
Total harmonic distortion
THDR
VO = –6 dBV
0.05
0.3
%
Maximum output voltage
VOMR
THD = 1%
1.7
2.5
Vrms
[Mute circuit]
On voltage
VMON
Pin 22 DC voltage
2.5
6.0
V
Off voltage
VMOFF
Pin 22 DC voltage
0
1.5
V
Mute attenuation (PB, EE)
MP,ME
80
90
dB
[EP, LP, SP switch circuit]
EP mode hold voltage
VEE
Pin 21 DC voltage
3.6
6.0
V
LP mode hold voltage
VEL
Pin 21 DC voltage
1.8
2.6
V
SP mode hold voltage
VES
Pin 21 DC voltage
0
1
V
[EE, PB switch circuit]
EE mode hold voltage
VLL
Pin 23 DC voltage
3
6
V
PB mode hold voltage
VLP
Pin 23 DC voltage
0
1
V
[REC, EE switch circuit]
REC mode hold voltage
VRR
Pin 24 DC voltage
3
6
V
EE mode hold voltage
VRE
Pin 24 DC voltage
0
1
V
[Switch]
Pin 2 on resistance
RON2
I2=±1 mA
10
25
Pin 2 input voltage
VIN2
Ta=65 °C,f=80kHz (sin), ILK =10A
±45
V
[Recording bias current automatic adjustment circuit]
Recording bias current
IB
The conditions for using each head assume the
specifications shown below.
220
245
270
A
Pin 1 output control range
VCTL
2.5
4.0
6.0
V
Head Coil Specifications
(1) Application circuit 1 (erase head series type)
.
R/P Head
58 k
(typ)
+15%
(f = 70kHz)
–15%
.
AE Head
34
(typ)
+25%
(f = 70kHz)
–25%
.
FE Head
80
(typ)
+20%
(f = 70kHz)
–10%
.
OSC Coil: Model name 7QM3, Prototype No. C-14290, Tokyo Parts Ind. Co., Ltd. Tel = 0270-25-1191
Pin No.
3to2
2to1
6to5
5to4
Wire type
2UEW 0.09
←←←
Total number of
coils
32T
20T
180T
25T
LA7286
No.4750-2/10
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