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參數(shù)資料
| 型號： | LA9240M |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | QFP-64 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大?。?/td> | 320K |
| 代理商： | LA9240M |
Operating Conditions at Pins 22, 45 = GND
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
5V
Operating supply voltage
VCC op
3.6 to 5.5
V
* Operating Supply Voltage at Limit of Operating Temperature at Pins 22, 45 = GND
Parameter
Symbol
Conditions
Ratings
Unit
Operating temperature
Topr2
–5 to +75
°C
Operating supply voltage
VCC op2
Set resistance R between DSP and
CLK interface to 5.1 k
3.4 to 5.5
V
Operating Characteristics at Ta = 25°C, Pins 22, 45 = GND, V
CC (pins 56, 64) = 5 V
Parameter
Symbol
Conditions
min
typ
max
Unit
Current drain
ICCO
VCC1 (pin 64) + VCC2 (pin 56)
22
32
42
mA
Reference voltage
VREF
VR
2.3
2.5
2.7
V
[Interface]
CE-Vth
CEvth
CE
0.8
V
CL-Vth
CLvth
CL
0.8
V
DAT-Vth
DATvth
DAT
0.8
V
Maximum CL frequency
CLmax
500
kHz
[RF amplifier]
RFSM no signal voltage
RFSMo
1.35
1.60
1.85
V
Minimum gain
RFSMGmin
FIN1, FIN2:1M
-input, PH1=4V
freq = 200 kHz, RFSM
–14.0
–12.5
–11.0
dB
[Focus amplifier]
FDO gain
FDG
FIN2:1M
-input, FDO
3.5
5.0
6.5
dB
FDO offset
FDost
Difference from reference voltage, servo on
–170
0
+170
mV
Off time offset
FDofost
Difference from reference voltage, servo off
–40
0
+40
mV
Offset adjustment step
FEstep
FE
3
mV
F search voltage H1
FSmax1
FDO, FSS = GND
0.8
V
F search voltage L1
FSmin1
FDO, FSS = GND
–0.8
V
F search voltage H2
FSmax2
FDO, FSS = VCC
0.8
V
F search voltage L2
FSmin2
FDO, FSS = VCC
0V
[Tracking amplifier]
TE gain MAX
TEGmax
f = 10 kHz, E: 1 M
-input, PH1=4V
6.0
7.5
9.0
dB
TE gain MIN
TEGmin
f = 10 kHz, E: 1 M
-input, PH1=1V
–0.5
+1.8
+4.0
dB
TE3 dB
TEfc
E: 1 M
-input
60
kHz
TO gain
TOG
TH
→ TO gain, THLD mode
4.0
6.0
8.0
dB
TGL offset
TGLost
Servo on, TGL = H, TO
–250
0
+250
mV
TGH offset
TGHost
TGL = L, difference from TGL offset, TO
–50
0
+50
mV
THLD offset
THLDost
THLD mode, difference from TGL offset, TO
–50
0
+50
mV
Off 1 offset
OFF1ost
TOFF = H
–50
0
+50
mV
Off 2 offset
OFF2ost
TOFF2 off (IF)
–50
0
+50
mV
Offset adjustment step
TEstep
TE
30
mV
Balance range H
BAL-H
Gain E/F input, TB=5V, TBC= open
3.5
dB
Balance range L
BAL-L
Gain E/F input, TB=0V, TBC= open
–3.5
dB
TOFF-VTH
TOFFvth
1.0
2.5
3.0
V
TGL-VTH
TGLvth
1.0
2.5
3.0
V
[PH]
No signal voltage
PHo
Difference from RFSM
–0.85
–0.65
–0.45
V
[BH]
No signal voltage
BHo
Difference from RFSM
0.45
0.65
0.85
V
[DRF]
Detection voltage
DRFvth
Difference from VR at RFSM
–0.60
–0.35
–0.20
V
Output voltage H
DRF-H
4.5
4.9
V
Output voltage L
DRF-L
0
+0.5
V
Continued on next page.
LA9240M
No.5482 - 2/20
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