BA7746S 查看數據表（PDF） - ROHM Semiconductor
零件编号
产品描述 (功能)
生产厂家
BA7746S Datasheet PDF : 12 Pages
| |||
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
Quiescent current
Iq (REC)
—
Output current AGC level
IOAR
Output current AGC level
∆IOAR
Cross modulation distortion
0.4MHz component
CMD04
Cross modulation distortion
0.9MHz component
CMD09
OVER REC holding voltage
V9L
OVER REC holding voltage
V9H
Current emphasis OVER
IOR.OV
REC MUTE holding voltage
V8L
REC MUTE holding voltage
V8H
Mute attenuation
IOR.MU
∗ f = 1.3MHz (87.0dBµ) + 1.7MHz (95.0dBµ) (MIX)
44.2
10
—
—
0.0
3.5
1.4
0.0
3.5
—
66
48.2
13
– 50
– 55
—
—
1.9
—
—
– 50
90
52.2
—
– 40
– 40
2.2
VCC
2.4
2.2
VCC
– 40
mA
mAP-P
dB
dB
dB
V
V
dB
V
V
dB
No signal, pin 1 + pin 7, inflow current
10pin 93.0dBµIN, 14pin OUT
∆AGC < 0.8dB, 14pin OUT
10pin MIXIN∗,
14pin OUT (0.4MHz - 1.3MHz)
10pin MIXIN∗,
14pin OUT (0.9MHz - 1.3MHz)
9pin DC, When NORMAL REC
9pin DC, When OVER REC
10pin 93.0dBµIN, 9pin: “H”
8pin DC, When MUTE OFF
8pin DC, When MUTE ON
10pin 93.0dBµIN, 8pin: “H”
Playback mode (pin 12→ "L") (unless otherwise noted, Ta = 25°C, VCC = 5.0V, and f = 1.5MHz)
Parameter
Supply current
Symbol
Iq 〈PB〉
Min.
—
Typ.
19
Max.
31
Unit
Conditions
mA Inflow current to pin 7 when no signal.
Voltage gain CH1
GVP1
75
79
83
dB
18pin, 20.5dBµIN, 5pin OUT,
3pin: “H”
Voltage gain CH2
GVP2
75
79
83
dB
20pin, 20.5dBµIN, 5pin OUT,
3pin: “L”
Voltage gain differential
∆GVP – 2.0
0
2.0
dB
18pin, 20pin, 20.5dBµ,
∆5pin OUT
CH1 to CH2 crosstalk
CT1→2
— – 45 – 35
dB
18pin 31.0dBµ, 20pin 0 IN,
3pin: “H”→ “L”, ∆5pin OUT
CH2 to CH1 crosstalk
CT2→1
— – 45 – 35
dB
18pin 0, 20pin 31.0dBµIN,
3pin: “L”→ “H”, ∆5pin OUT
CH1 frequency characteristic
fP1
0 – 2.4 – 5
dB
18pin 20.5dBµIN, 3pin: “H”
f = 2.2MHz / 1.0MHz, ∆5pin OUT
CH2 frequency characteristic
Gain adjustment headroom
Gain adjustment headroom
Maximum output voltage
fP2
– ∆GVCA
+ ∆GVCA
VOMP
0 – 2.4 – 5
— – 50 – 35
4
6
—
2.0
2.6
—
dB
20pin 20.5dBµ IN, 3pin: “L”
f = 2.2MHz / 1.0MHz, ∆5pin OUT
dB 6pin 3.2V, ∆5pin OUT
dB 6pin 0.8V, ∆5pin OUT
Pin 18 and 20 IN, pin 5 OUT 3rd-harmonic
VP-P distortion, when-30dB.
CH1 input conversion noise
VNP1
Input conversion for pin 18: 0.01µ F +
—
0.4
1.0
µVrms 10Ω at GND Pin 3: “H”, pin 5 OUT.
CH2 input conversion noise
VNP2
—
0.4
1.0
µVrms
Input conversion for pin 20: 0.01µF +
10Ω at GND Pin 3: “L”, pin 5 OUT.
7
Share Link: 