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BA7182AS Datasheet(Fiches technique) 4 Page - Rohm

Numéro de pièce BA7182AS
Description  2-channel PRE / REC amplifier with auto-tracking interface
Télécharger  9 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
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 4 page
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4
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
〈Recording system〉 (Pin 15: L)
Quiescent current
Recording AGC level
AGC control sensitivity
AGC frequency characteristic
2nd harmonic distortion
3rd harmonic distortion
Cross modulation distortion
Maximum output level
Recording current load characteristic
Mute attenuation ratio
Frequency characteristic
AGC mode holding voltage
AGC mode holding voltage
PB mode holding voltage
EE mode holding voltage
REC mode holding voltage
Note: dBc: dB below carrier (used to express relative level from carrier reference for convenience sake)
No signal
Pin 16 input = 400mVP-P, pin 8 output measurement
Pin 8 output level difference for f = 4.0MHz,
pin 16 input = 225mVP-P to 800mVP-P.
Pin 8 output level difference for f = 8.0 / 1.0MHz,
pin 16 input = 400mVP-P
Pin 16 input = 400mVP-P, 8.0MHz spurious.
Pin 16 input = 400mVP-P, 12.0MHz spurious,
guaranteed design value.
4.0MHz
± 630kHz spurious, guaranteed design value.
When pin 8 output 2nd harmonic distortion is – 30dB
Pin 8 output level difference for load L: 8.2 ~ 12
µH
Pin 8 output level difference for pin 15: M / H.
Pin 8 output level difference for f = 8.0 / 1.0MHz, AGC OFF
Pin 11 DC voltage to maintain recording AGC operation
Pin 11 DC voltage to maintain recording AGC stopped
Pin 15 DC voltage for PB mode
Pin 15 DC voltage for REC MUTE mode
Pin 15 DC voltage for REC mode
Measurement
circuit
72
108
mA
Fig.2
36
42
mAP-P
Fig.2
0.15
2
dB
Fig.2
0
2
dB
Fig.2
– 41
– 35
dBc
Fig.2
– 50
– 40
dBc
Fig.2
– 43
– 38
dBc
Fig.2
50
mAP-P
Fig.2
– 0.35
dB
Fig.2
– 44
– 38
dBc
Fig.2
– 7.8
– 10.3
dB
Fig.2
VCC
V
Fig.2
1.2
V
Fig.2
VCC
V
Fig.2
2.8
V
Fig.2
30
– 2
42
– 2
– 5.3
2.7
0
3.8
2.2
0
1.2
V
Fig.2
IOAR
∆IOAR
∆IOAF
2HDR
3HDR
CMDR
IOMR
∆IORL
MUR
∆IOEQ
VTH11H
VTH11L
VTH15H
VTH15M
VTH15L
Iq (R)




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