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LA9251M Datasheet, PDF (2/17 Pages) Sanyo Semicon Device – CD Player Analog Signal Processor (ASP)
LA9251M
Operating Conditions at Ta = 25°C, with pin 46 tied to ground
Parameter
Recommended supply voltage
Allowable operating supply voltage range
Symbol
VCC
VCC op
Conditions
Ratings
Unit
3
V
2.4 to 5.5
V
Electrical Characteristics at Ta = 25°C, with pin 46 tied to ground, pin 56 = 3 V
Parameter
Current drain
Reference voltage
[Interface]
SLOFvth
SP8vth
EFBALvth
FSTAvth
LASERvth
CLK
[RF Amplifier]
RF no-signal voltage
Minimum gain
[Focus Amplifier]
FDO gain
FDO offset
F search voltage (high) 1
F search voltage (low) 1
F search voltage (high) 2
F search voltage (low) 2
[Tracking Amplifier]
TE gain max
TE gain min
TE-3dB
TO gain
TGL offset
TGH offset
THLD offset
Off 1 offset
Balance range (high)
Balance range (low)
TGLvth
PH no-signal voltage
BH no-signal voltage
DRF detection voltage
DRF output voltage (high)
DRF output voltage (low)
FZD detection voltage 1
FZD detection voltage 2
HFL detection voltage
HFL output voltage (high)
HFL output voltage (low)
TES output voltage (low-high)
TES output voltage (high-low)
TES output voltage (high)
TES output voltage (low)
JP output voltage (high)
Symbol
ICCO
VREF
No input
VR
Conditions
SLOFvth SLOF
SP8vth SP8: 8 cm mode
EFBALvth EFBAL
FSTAvth ESTA
LASERvth LASER
CLK R = 390 kΩ, C = 0.1 µF
RFo
RFGmin FIN1, FIN2: 1 MΩ-input, PH1 = 2 V, f = 200 kHz, RF
FDG
FDost
FIN1, FIN2: 1 MΩ-input, FDO
The difference from the reference voltage, servo on.
FS max1 FDO, FSS = GND
FS min1 FDO, FSS = GND
FS max2 FDO, FSS = VCC
FS min2 FDO, FSS = VCC
TEG max
TEG min
TEfc
f = 10 kHz, E: 1 MΩ-input, PH1 = 0.5 V, TGRF = open
f = 10 kHz, E: 1 MΩ-input, PH1 = 2 V, TGRF = open
E: 1 MΩ-input
TOG TH → TO gain, THLD mode
TGLost Servo on, TGL = high, TO
TGHost TGL = low, the difference from the TGL offset, TO
THDost THLD mode, the difference from the TGL offset, TO
OFF1ost TOFF = High
BAL-H ∆GainE/F input, TB = 3 V, TBC = open
BAL-L ∆GainE/F input, TB = 0 V, TBC = open
TGLvth
PHo The difference from RFSM
BHo10 The difference from RFSM
DRFvth At RFSM, the difference from VR
DRF-H
DRF-L
FZD1 FE, the difference from VR
FZD2 FE, the difference from VR
HFLvth At RF, the difference from VR
HFL-H
HFL-L
TES-LH TESI, the difference from VR
TES-HL TESI, the difference from VR
TES-H
TES-L
JP-H TJP = 3 V, at TO, the difference from TJP = 1.5 V
min
8
1.2
25
0.75
3.5
–340
–3.6
–11.0
10.0
–260
–35
–35
–25
0.8
–0.90
0.40
–0.50
2.5
0
–0.25
2.5
–0.15
0.05
2.5
0.05
Ratings
typ
14
1.5
Unit
max
21 mA
1.8
V
0.8
V
0.8
V
2.3
V
2.3
V
0.8
V
35
45
Hz
1.00
1.25
V
–15
dB
5.0
6.5
dB
0
+340 mV
0.8
V
–0.8
V
0.8
V
0
V
–3.0
–2.4
dB
–9.0
–7.0
dB
70
kHz
12.0
14.0
dB
0
+260 mV
0
+35 mV
0
+35 mV
0
+25 mV
+35
dB
–35
dB
1.5
1.8
V
–0.65
–0.40
V
0.65
0.90
V
–0.25
–0.10
V
2.9
V
0
0.5
V
0.2
V
0
V
–0.10
–0.05
V
2.9
V
0
0.5
V
–0.10
–0.05
V
0.10
0.15
V
2.9
V
0
0.5
V
0.25
0.45
V
Continued on next page.
No. 6125-2/17