LA7256 查看數據表（PDF） - SANYO -> Panasonic
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LA7256 Datasheet PDF : 9 Pages
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LA7256
Continued from preceding page.
Parameter
Symbol
Conditions
min
typ
max
Unit
Over-record hold voltage
Over-record current ratio
V11M The pin 11 DC voltage for over-record mode
1.5
3.0
V
Pin 9 input = 180 mVp-p, f = 1.5 MHz,
IO-OV
pin 11 = middle level: measure the pin 16 output current
1.7
2.2
2.7
dB
S-VHS hold voltage
S-VHS current ratio
V11H
IO-SV
The pin 11 DC voltage for S-VHS mode
Pin 9 input = 180 mVp-p, f = 1.5 MHz, pin 11 = high:
measure the pin 16 output current
3.5
VCC
V
–2.0
–2.6
–3.2
dB
Record mute hold voltage 1
V4L
The pin 4 DC voltage when record muting is off
0
Record mute hold voltage 2
V4H
The pin 4 DC voltage when record muting is on
3.0
Mute attenuation
Pin 9 input = 180 mVp-p, f = 1.5 MHz, pin 4 = high:
IOR, MU measure the pin 16 output current
1.0
V
VCC
V
–40
dB
Record hold voltage
[Built-in Buffer]
V5H
The pin 5 voltage required to hold record mode
3.0
VCC
V
Buffer I/O DC offset
Buffer frequency characteristics
∆VBUF
fBUF
Pin 9 input = 180 mVp-p, f = 1/10 MHz
–10
10
mV
–1
1
dB
Test Circuit Diagram
No. 4896-3/9
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