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)： 30/35頁(yè)
文件大小： 248K
代理商： HA12188AF
HA12188AF
Rev.1, Oct. 1995, page 30 of 35
Electrical Characteristics
(Ta = 25
°
C, V
CC
= 5V) (cont)
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Pins
Tracking
servo amp.
43.Voltage gain
G
VTO
11.4
13.4
15.4
dB
S2, S60
TLS, TPS, TM1 on
V16/V
IN
60
16
44.TM3 voltage
V
TM3
0.51
0.71
0.89
V
TM3 on
V16 – V
TO
– V
C
16
45.TM4 voltage
V
TM4
–0.89
–0.71
–0.51
V
TM4 on
V16 – V
TO
– V
C
16
Sled servo
amp.
46.Offset voltage
V
SO
–66
0
66
mV
19
47.Max output level H
V
SOH
4.0
4.5
—
V
S17, S19, S61
TM2 on V61 = 4.0V
19
48.Max output level L
V
SOL
—
0.8
1.0
V
S17, S19, S61
TM2 on, V61 = 1.0V
19
49.Voltage gain
G
VS
17.3
19.3
21.3
dB
S17, S60
TM2 on, V19/V
IN
60
19
50.TM5 voltage
V
TM5
0.55
0.85
1.10
V
16
μ
A mode
TM5 on
V19 – V
SO
– V
C
19
51.TM6 voltage
V
TM6
–1.10
–0.85
–0.55
V
16
μ
A mode
TM6 on
V19 – V
SO
– V
C
19
SENS
52.“H” output voltage
V
SEH
4.7
—
—
V
22
53.“L” output voltage
V
SEL
—
—
0.4
V
S22
22
LDS
54.“H” input voltage
V
LDH
3.5
—
—
V
28
55.“L” input voltage
V
LDL
—
—
0.5
V
28
Focus VR
56.VR gain 1
G
FVR1
–5.8
–4.8
–3.8
dB
S43, S60
V55 / V
IN
60 – G
VFA1
55
57.VR gain 2
G
FVR2
–3.2
–2.2
–1.2
dB
S43, S60
V55 / V
IN
60 – G
VFA1
55
58.VR gain 3
G
FVR3
2.8
3.8
4.8
dB
S43, S60
V55 / V
IN
60 – G
VFA1
55
59.VR gain 4
G
FVR4
5.8
6.8
7.8
dB
S43, S60
V55 / V
IN
60 – G
VFA1
55
Tracking
VR
60.VR gain 1
G
TVR1
–5.9
–4.9
–3.9
dB
S48, S60
V52 / V
IN
60 – G
VTE2
52
61.VR gain 2
G
TVR2
–3.3
–2.3
–1.3
dB
S48, S60
V52 / V
IN
60 – G
VTE2
52
62.VR gain 3
G
TVR3
2.9
3.9
4.9
dB
S48, S60
V52 / V
IN
60 – G
VTE2
52
63.VR gain 4
G
TVR4
5.9
6.9
7.9
dB
S48, S60
V52 / V
IN
60 – G
VTE2
52
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