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BA7746FS 데이터시트(PDF) 8 Page - Rohm

부품명 BA7746FS
상세설명  VCR Hi-Fi audio signal REC / PB amplifier
PDF  12 Pages
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

BA7746FS 데이터시트(HTML) 8 Page - Rohm

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8
Video ICs
BA7746S / BA7746FS
•Electrical characteristics
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
VHS2
0.0
—
2.2
V
VHS1
2.8
—
VCC
V
∆VODC
– 20
0
mV
0.0
—
1.0
V
3.5
—
VCC
V
RSWP
—
510
Ω
0.0
—
2.2
V
3.5
—
VCC
V
GVP.EP
4.0
5.0
6.0
dB
18, 20pin 0 IN,
3pin “H”
→ “L” ∆5pin OUT
5pin OUT
V12L
V12H
V4L
V4H
18, 20pin 20.5dB
µIN, 4pin: “H”,
20
Head switching voltage
Head switching voltage
Output DC offset
PB holding voltage
REC holding voltage
Head switch ON resistance
SP holding voltage
EP holding voltage
Gain emphasis EP
Pin 3 DC when ch2 operating
Pin 3 DC when ch1 operating
Pin 12 DC for PB mode
Pin 12 DC for REC mode
Pin 15 ON resistance
Pin 4 DC for SP mode
Pin 4 DC for EP mode
•Measurement circuit
REC
VCA
PRE
PRE
EP
PB / REC
P / R
SW
RR
ch1
ch2
ch2
ch1
TC
12
µ
12
µ
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
N.C.
560
560
0.1
µ
0.1
µ
0.01
µ 0.01µ
10
10
100p
100p
P
680
220p
12
0.22
µ
68k
0.1
µ
0.01
µ
0.01
µ
100
µ
100
µ
5V
20k
390
1.8k
0.01
µ
0.047
µ
220k
0.1
µ
Fig. 1



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