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參數(shù)資料
| 型號： | BA7746 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | VCR Hi-Fi audio signal REC / PB amplifier |
| 中文描述： | 錄像機(jī)高保真的音頻信號錄制/鉛放大器 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 142K |
| 代理商： | BA7746 |
7
Video ICs
BA7746S / BA7746FS
Electrical characteristics
Recording mode (pin 12
→
"H") (unless otherwise noted, Ta = 25°C, V
CC
= 5.0V, and f = 1.7MHz)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Iq
(REC)
—
66
90
mA
I
OAR
44.2
48.2
52.2
mA
P-P
I
OAR
10
13
—
dB
CMD
04
—
– 50
– 40
dB
CMD
09
—
– 55
– 40
dB
V
9L
0.0
—
2.2
V
V
9H
3.5
—
V
CC
V
I
OR.OV
dB
V
8L
0.0
—
2.2
V
V
8H
3.5
—
V
CC
V
I
OR.MU
—
– 50
– 40
dB
10pin 93.0dB
μ
IN, 14pin OUT
AGC
<
0.8dB, 14pin OUT
10pin MIXIN
,
14pin OUT (0.4MHz - 1.3MHz)
10pin MIXIN
,
14pin OUT (0.9MHz - 1.3MHz)
10pin 93.0dB
μ
IN, 8pin: “H”
10pin 93.0dB
μ
IN, 9pin: “H”
2.4
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 (87.0dB
μ
) + 1.7MHz (95.0dB
μ
) (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, V
CC
= 5.0V, and f = 1.5MHz)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
—
19
31
mA
G
VP1
75
79
83
dB
G
VP2
75
79
83
dB
– 2.0
0
dB
CT
1
→
2
—
– 45
– 35
dB
CT
2
→
1
—
– 45
– 35
dB
f
P1
0
– 2.4
– 5
dB
f
P2
0
– 2.4
– 5
dB
–
G
VCA
+
G
VCA
—
– 50
– 35
dB
—
dB
V
OMP
2.0
2.6
—
V
P-P
V
NP1
—
0.4
1.0
μ
V
rms
V
NP2
—
0.4
1.0
μ
V
rms
G
VP
18pin, 20pin, 20.5dB
μ
,
5pin OUT
18pin 31.0dB
μ
, 20pin 0 IN,
3pin: “H”
→
“L”,
5pin OUT
18pin 0, 20pin 31.0dB
μ
IN,
3pin: “L”
→
“H”,
5pin OUT
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
at GND Pin 3: “H”, pin 5 OUT.
Input conversion for pin 20: 0.01
μ
F +
10
at GND Pin 3: “L”, pin 5 OUT.
Iq
PB
3pin: “H”
3pin: “L”
18pin, 20.5dB
μ
IN, 5pin OUT,
20pin, 20.5dB
μ
IN, 5pin OUT,
18pin 20.5dB
μ
IN, 3pin: “H”
20pin 20.5dB
μ
IN, 3pin: “L”
2.0
4
6
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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PDF描述 |
|---|---|
| BA7755 | High-voltage audio head selection switch |
| BA7757 | Switchless REC / PB amplifier for standard audio signal processing |
| BA7765AS | NORMAL AUDIO SIGNAL PROCESSINGS |
| BA7766AS | NORMAL AUDIO SIGNAL PROCESSINGS |
| BA7767AS | NORMAL AUDIO SIGNAL PROCESSINGS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BA7746FS | 制造商:Panasonic Industrial Company 功能描述:IC |
| BA7746S | 制造商:ROHM 制造商全稱:Rohm 功能描述:VCR Hi-Fi audio signal REC / PB amplifier |
| BA7746S/FS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Video LSIs |
| BA7750AL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
| BA7751AFS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
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