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參數(shù)資料
| 型號(hào)： | HA12188AF |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Pre-Amplifier and Servo IC for Quadruple-Speed CD-ROM |
| 中文描述： | 預(yù)放大器和四人間伺服集成電路高速的CD - ROM |
| 文件頁(yè)數(shù)： | 28/35頁(yè) |
| 文件大?。?/td> | 248K |
| 代理商： | HA12188AF |
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HA12188AF
Rev.1, Oct. 1995, page 28 of 35
Electrical Characteristics
(Ta = 25
°
C, V
CC
= 5V)
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Pins
1.Current dissipation
I
CC
—
36
52
mA
No signal
15, 42
2.Reference voltage
V
C
2.3
2.5
2.7
V
I45 = ±5mA
45
RF amp.
3.Offset voltage
V
RF
–65
0
65
mV
38
4.Max. output level H
V
RFH
4.2
—
—
V
S38,S43,S44,S61
V61 = 4.0V
38
5.Max. output level L
V
RFL
—
—
2.1
V
S38,S43,S44,S61
V61 = 1.0V
38
6.Voltage gain
G
VRF
10.0
12.0
14.0
dB
S43, S44, S60
V38/V
IN
60
38
Focus
error amp.
7.Offset voltage
V
FA
–65
0
65
mV
55
8.Max. output level H
V
FAH
4.0
4.5
—
V
S44, S55, S61
V61 = 4.0V
55
9.Max. output level L
V
FAL
—
0.5
1.0
V
S43, S55, S61
V61 = 4.0V
55
10.Voltage gain 1
G
VFAI
6.7
8.7
10.7
dB
S43, S60
V55/V
IN
60
55
11.Voltage gain 2
G
VFA2
6.7
8.7
10.7
dB
S44, S60
V55/V
IN
60
55
Tracking
error amp.
12.Offset voltage
V
TE
–50
0
50
mV
52
13.Max. output level H
V
TEH
4.0
4.5
—
V
S49, S52, S61
V61 = 4.0V
52
14.Max. output level L
V
TEL
—
0.5
1.0
V
S48, S52, S61
V61 = 4.0V
52
15.Voltage gain 1
G
VTE1
7.0
9.0
11.0
dB
S49, S60
V52/V
IN
60
52
16.Voltage gain 2
G
VTE2
7.0
9.0
11.0
dB
S48, S60
V52/V
IN
60
52
FOK
17.FOK Vth
V
FOK
0.25
0.38
0.50
V
S34, S61
when V32
≥
4V
Min (V38 – V34)
32
18.“H” output voltage
V
FKH
4.7
—
—
V
S34, S61
32
19.“L” output voltage
V
FKL
—
—
0.4
V
S32, S34, S61
32
Defect
20.Max operation frequency
F
DH
2
—
—
kHz
S43, S44, S60
20
21.Min operation frequency
F
DL
—
—
1
kHz
S43, S44, S60
20
22.“H” output voltage
V
DFH
4.7
—
—
V
20
23.“L” output voltage
V
DFL
—
—
0.4
V
S20
20
Note: All offset voltages are values referring to V
C
(pin 45)at XRST = “L”.
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