BA7182AS データシートの表示（PDF） - ROHM Semiconductor
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BA7182AS Datasheet PDF : 9 Pages
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Video ICs
BA7182AS
(unless otherwise noted, Ta = 25°C, VCC = 5.0V, f = 4.0MHz and IOAR = 36mAP-P)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Measurement
circuit
〈Recording system〉 (Pin 15: L)
Quiescent current
Recording AGC level
AGC control sensitivity
AGC frequency characteristic
2nd harmonic distortion
3rd harmonic distortion
Iq (R)
—
IOAR 30
∆IOAR —
∆IOAF – 2
2HDR —
3HDR —
72
36
0.15
0
– 41
– 50
108
42
2
2
– 35
– 40
mA No signal
mAP-P Pin 16 input = 400mVP-P, pin 8 output measurement
dB Pin 8 output level difference for f = 4.0MHz,
pin 16 input = 225mVP-P to 800mVP-P.
dB
Pin 8 output level difference for f = 8.0 / 1.0MHz,
pin 16 input = 400mVP-P
dBc Pin 16 input = 400mVP-P, 8.0MHz spurious.
dBc Pin 16 input = 400mVP-P, 12.0MHz spurious,
guaranteed design value.
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Cross modulation distortion
CMDR — – 43 – 38 dBc 4.0MHz ± 630kHz spurious, guaranteed design value.
Fig.2
Maximum output level
IOMR 42
50
—
Recording current load characteristic ∆IORL – 2 – 0.35 —
Mute attenuation ratio
MUR — – 44 – 38
Frequency characteristic
∆IOEQ – 5.3 – 7.8 – 10.3
mAP-P
dB
dBc
dB
When pin 8 output 2nd harmonic distortion is – 30dB
Pin 8 output level difference for load L: 8.2 ~ 12µH
Pin 8 output level difference for pin 15: M / H.
Pin 8 output level difference for f = 8.0 / 1.0MHz, AGC OFF
AGC mode holding voltage
AGC mode holding voltage
PB mode holding voltage
EE mode holding voltage
REC mode holding voltage
VTH11H 2.7
—
VCC
V Pin 11 DC voltage to maintain recording AGC operation
VTH11L
0
—
1.2
V Pin 11 DC voltage to maintain recording AGC stopped
VTH15H 3.8
—
VCC
V Pin 15 DC voltage for PB mode
VTH15M 2.2
—
2.8
V Pin 15 DC voltage for REC MUTE mode
VTH15L
0
—
1.2
V Pin 15 DC voltage for REC mode
∗ Note: dBc: dB below carrier (used to express relative level from carrier reference for convenience sake)
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
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4
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