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BA7746S データシート(PDF) 7 Page - Rohm

部品番号 BA7746S
部品情報  VCR Hi-Fi audio signal REC / PB amplifier
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メーカー  ROHM [Rohm]
ホームページ  http://www.rohm.com
Logo ROHM - Rohm

BA7746S データシート(HTML) 7 Page - Rohm

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7
Video ICs
BA7746S / BA7746FS
Electrical characteristics
Recording mode (pin 12
→ "H") (unless otherwise noted, Ta = 25°C, VCC = 5.0V, and f = 1.7MHz)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Iq (REC)
—66
90
mA
IOAR
44.2
48.2
52.2
mAP-P
∆IOAR
10
13
dB
CMD04
– 50
– 40
dB
CMD09
– 55
– 40
dB
V9L
0.0
2.2
V
V9H
3.5
VCC
V
IOR.OV
dB
V8L
0.0
2.2
V
V8H
3.5
VCC
V
IOR.MU
– 50
– 40
dB
10pin 93.0dB
µIN, 14pin OUT
∆AGC < 0.8dB, 14pin OUT
14pin OUT (0.4MHz - 1.3MHz)
14pin OUT (0.9MHz - 1.3MHz)
10pin 93.0dB
µIN, 8pin: “H”
10pin 93.0dB
µIN, 9pin: “H”
2.4
10pin MIXIN,
10pin MIXIN,
1.9
1.4
9pin DC, When NORMAL REC
9pin DC, When OVER REC
8pin DC, When MUTE OFF
8pin DC, When MUTE ON
f = 1.3MHz (87.0dBµ) + 1.7MHz (95.0dBµ) (MIX)
No signal, pin 1 + pin 7, inflow current
Quiescent current
Output current AGC level
Output current AGC level
Cross modulation distortion
0.4MHz component
Cross modulation distortion
0.9MHz component
OVER REC holding voltage
OVER REC holding voltage
Current emphasis OVER
REC MUTE holding voltage
REC MUTE holding voltage
Mute attenuation
Playback mode (pin 12
→ "L") (unless otherwise noted, Ta = 25°C, VCC = 5.0V, and f = 1.5MHz)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
—19
31
mA
GVP1
75
79
83
dB
GVP2
75
79
83
dB
– 2.0
0
dB
CT1
2
– 45
– 35
dB
CT2
1
– 45
– 35
dB
fP1
0
– 2.4
– 5
dB
fP2
0
– 2.4
– 5
dB
∆GVCA
– 50
– 35
dB
—dB
VOMP
2.0
2.6
VP-P
VNP1
0.4
1.0
µVrms
VNP2
0.4
1.0
µVrms
∆GVP
+
∆GVCA
18pin, 20pin, 20.5dB
µ,
18pin 31.0dB
µ, 20pin 0 IN,
18pin 0, 20pin 31.0dB
µIN,
f = 2.2MHz / 1.0MHz,
∆5pin OUT
f = 2.2MHz / 1.0MHz,
∆5pin OUT
6pin 3.2V,
∆5pin OUT
6pin 0.8V,
∆5pin OUT
Pin 18 and 20 IN, pin 5 OUT 3rd-harmonic
distortion, when-30dB.
Input conversion for pin 18: 0.01
µ F +
10
Ω at GND Pin 3: “H”, pin 5 OUT.
Input conversion for pin 20: 0.01
µF +
10
Ω at GND Pin 3: “L”, pin 5 OUT.
Iq 〈PB〉
3pin: “H”
3pin: “L”
3pin: “H”
→ “L”, ∆5pin OUT
18pin, 20.5dB
µIN, 5pin OUT,
20pin, 20.5dB
µIN, 5pin OUT,
∆5pin OUT
3pin: “L”
→ “H”, ∆5pin OUT
18pin 20.5dB
µIN, 3pin: “H”
20pin 20.5dB
µ IN, 3pin: “L”
2.0
46
Supply current
Voltage gain CH1
Voltage gain CH2
Voltage gain differential
CH1 to CH2 crosstalk
CH2 to CH1 crosstalk
CH1 frequency characteristic
CH2 frequency characteristic
Gain adjustment headroom
Gain adjustment headroom
Maximum output voltage
CH1 input conversion noise
CH2 input conversion noise
Inflow current to pin 7 when no signal.


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