LA7286 Просмотр технического описания (PDF) - SANYO -> Panasonic
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LA7286 Datasheet PDF : 10 Pages
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LA7286
Operating Characteristics at Ta = 25 °C, VCC = 12 V, f = 1 kHz, 0 dBV : 1.0 Vrms
Parameter
Symbol
Conditions
Current consumption (EE)
Current consumption (PB)
Current consumption (REC)
[Equalizer amplifier]
ICCE
ICCP
ICCR
No signal
No signal
No signal
Open-circuit voltage gain
Equivalent input noise voltage
[Line amplifier]
VGOE
VNIE
VO = –6 dBV
Rg = 620 Ω, DIN Audio filter
Voltage gain (PB input)
Voltage gain (LINE input)
Total harmonic distortion
Output noise voltage
Maximum output voltage
Output voltage when ALC is on
ALC effect
Distortion when ALC is on
[Recording amplifier ]
VGLP
VGLR
THDL
VNOL
VOML
VOA
ALC
THDA
VO = –6 dBV
VO = –6 dBV
VO = –6 dBV
Rg = 1 kΩ, DIN Audio filter
THD = 1%
VIN = –26 dBV
VIN = –26 dBV to –6 dBV
VIN = –26 dBV
Voltage gain
Total harmonic distortion
Maximum output voltage
[Mute circuit]
VGCR
THDR
VOMR
VO = –6 dBV
VO = –6 dBV
THD = 1%
On voltage
Off voltage
Mute attenuation (PB, EE)
[EP, LP, SP switch circuit]
VMON
VMOFF
MP, ME
Pin 22 DC voltage
Pin 22 DC voltage
EP mode hold voltage
LP mode hold voltage
SP mode hold voltage
[EE, PB switch circuit]
VEE
Pin 21 DC voltage
VEL
Pin 21 DC voltage
VES
Pin 21 DC voltage
EE mode hold voltage
PB mode hold voltage
[REC, EE switch circuit]
VLL
Pin 23 DC voltage
VLP
Pin 23 DC voltage
REC mode hold voltage
EE mode hold voltage
[Switch]
VRR
Pin 24 DC voltage
VRE
Pin 24 DC voltage
Pin 2 on resistance
RON2 I2 = ±1 mA
Pin 2 input voltage
VIN2
Ta = 65 °C, f = 80 kHz (sin), ILK = 10 µA
[Recording bias current automatic adjustment circuit]
Recording bias current
Pin 1 output control range
IB
VCTL
The conditions for using each head assume the
specifications shown below.
min typ max Unit
9.5 12.0 14.5 mA
8.5 11.0 13.5 mA
8.5 10.5 12.5 mA
58.4 64.4
1.0
dB
1.8 µVrms
21.0 21.5 22.0 dB
21.0 21.5 22.0 dB
0.05 0.3 %
–80.0 –74.0 dBV
1.7 2.5
Vrms
–7.0 –6.0 –5.0 dBV
1
3
dB
0.05 0.6 %
13.5 14.0 14.5 dB
0.05 0.3 %
1.7 2.5
Vrms
2.5
6.0
V
0
1.5
V
80 90
dB
3.6
6.0
V
1.8
2.6
V
0
1
V
3
6
V
0
1
V
3
6
V
0
1
V
10 25
Ω
±45 V
220 245 270 µA
2.5 4.0 6.0
V
Head Coil Specifications
(1) Application circuit 1 (erase head series type)
. R/P Head
58 kΩ (typ)
+15%
(f = 70kHz)
. AE Head
34 Ω (typ)
–15%
+25%
(f = 70kHz)
. FE Head
80 Ω (typ)
–25%
+20%
(f = 70kHz)
. –10%
OSC Coil: Model name 7QM3, Prototype No. C-14290, Tokyo Parts Ind. Co., Ltd. Tel = 0270-25-1191
Pin No.
Wire type
Total number of
coils
3 to 2
2UEW 0.09
32T
2 to 1 6 to 5 5 to 4
←
←
←
20T 180T 25T
No.4750-2/10
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