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TA2157F Folha de dados(PDF) 9 Page - Toshiba Semiconductor

Nome de Peças TA2157F
Descrição Electrónicos  Digital Servo Head Amp for CD System
Download  14 Pages
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Fabricante Electrônico  TOSHIBA [Toshiba Semiconductor]
Página de início  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TA2157F Folha de dados(HTML) 9 Page - Toshiba Semiconductor

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TA2157F/FN
2002-11-21
9
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Transfer resistance 1
(normal mode)
Rt1TE
GVSW
= VCC
411
468
525
Transfer resistance 2
(CD-RW mode)
Rt2TE
¾
f
= 1 kHz
TERFB = 39 kW
RTIN = 47 kW
TEBC
= HiZ
GVSW
= GND
1647
1872
2092
k
W
H (DA)
DRt1
TEBC
= GND
+40
+50
+60
Gain balance
adjustment
width
L (DA)
DRt2
¾
GVSW
= VCC
TEBC
= VCC
-60
-50
-40
%
Gain balance 1
(normal mode)
GB1TE
GVSW
= VCC, DRt1FE
-1
0
+1
Gain balance 2
(CD-RW mode)
GB2TE
¾
GVSW
= GND, DRt2FE
-1
0
+1
dB
Frequency characteristic 1
(normal mode)
fC1TE
GVSW
= VCC
¾
40
¾
Frequency characteristic 2
(CD-RW mode)
fC2TE
¾
-3dB point
RTEFB = 39 kW
GVSW
= GND
¾
40
¾
kHz
Output offset voltage 1
(normal mode)
VOS1TE
GVSW
= VCC
-50
0
+50
Output offset voltage 2
(CD-RW mode)
VOS2TE
¾
VRO reference
TPI/TNI open
GVSW
= GND
-150
0
+150
mV
Upper limit output voltage
VOHTE
2.9
3.1
¾
Lower limit output voltage
VOLTE
¾
GND reference
¾
0.1
0.3
V
TE
TPI (TNI)
® TEO
Permissive load resistance
RLMTE
¾
¾
5
10
¾
k
W
Detection frequency
fCDC
¾
-3dB point at low-frequency
with output amplitude
= 0dB
when RFO
= 1.2 Vpp/350 kHz
in relation to VOP1DC
¾
15
¾
kHz
Operating reference
voltage 1
VOP1DC
FNI/FPI open,
VRO reference,
RFN-Vcc
= 47 kW
-0.15
0
0.15
Operating reference
voltage 2
VOP2DC
¾
VRO reference,
RFO
= 1.2 Vpp/350 kHz
RFN-Vcc
= 47 kW
0.6
0.75
0.9
V
Upper limit output voltage
VOHDC
2.9
3.1
¾
Lower limit output voltage
VOLDC
¾
GND reference
¾
0.3
0.5
V
RFDC
FNI (FPI)
® RFDC
Permissive load resistance
RLMDC
¾
¾
5
10
¾
k
W
Voltage gain
GVRP
¾
AMP gain after detection
¾
4.4
¾
dB
Detection frequency
fCRP
¾
-3dB point at low-frequency
with output amplitude
= 0dB
when RFO
= 1.2 Vpp/700 kHz
in relation to VOP1RP
¾
35
¾
kHz
Detection time constant
TRP
¾
1.2 VPP/5 kHz square wave
(Cin
> 1 mF)
¾
37
¾
V/ms
Operating reference
voltage 1
VOP1RP
VRO reference, no input
-1.0
-0.85
-0.7
Operating reference
voltage 2
VOP2RP
¾
VRO reference,
RFO
= 700 kHz, 1.2 Vpp
0.7
0.85
1.0
V
Upper limit output voltage
VOHRP
¾
GND reference
2.9
3.1
¾
V
RFRP
RFRPIN
® RFRP
Permissive load resistance
RLMRP
¾
¾
5
10
¾
k
W
Note 2: (DA) : Normal mode
Note 3: If the IC is used abnormally (ex, wrongly mounted), it may be damaged or destroyed.


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