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 Characteristics at Ta=25 °C, Pins 22, 45 = GND, VCC (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
FDstep
FDO
50
V
F search voltage H
FSmax
FDO
0.8
V
F search voltage L
FSmin
FDO
–0.8
V
[Tracking amplifier]
TE gain MAX
TEGmax
f = 10 kHz, E: 1 M
-input, PH1=4V
5.0
6.5
8.0
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
TOF2 off (IF)
–50
0
+50
mV
Offset adjustment step
TOstep
TO
60
mV
Balance range H
BAL-H
gain E/F input, TB=5V
3.5
dB
Balance range L
BAL-L
gain E/F input, TB=0V
–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
[FZD]
Detection voltage 1
FZD1
FE, difference from VR
0
+0.2
V
Detection voltage 2
FZD2
FE, difference from VR
0
V
Continued on next page.
LA9230M/9231M
No.5189 - 2/20