ta2157f TOSHIBA Semiconductor CORPORATION, ta2157f Datasheet - Page 9

• Manufacturer Part Number: ta2157f
• Description: Digital Servo Head Amp For Cd System
• Manufacturer: TOSHIBA Semiconductor CORPORATION

TE
TPI (TNI)
® TEO
RFDC
FNI (FPI)
® RFDC
RFRP
RFRPIN
® RFRP
Note 2: (DA) : Normal mode
Note 3: If the IC is used abnormally (ex, wrongly mounted), it may be damaged or destroyed.
Characteristics
Transfer resistance 1
(normal mode)
Transfer resistance 2
(CD-RW mode)
Gain balance
adjustment
width
Gain balance 1
(normal mode)
Gain balance 2
(CD-RW mode)
Frequency characteristic 1
(normal mode)
Frequency characteristic 2
(CD-RW mode)
Output offset voltage 1
(normal mode)
Output offset voltage 2
(CD-RW mode)
Upper limit output voltage
Lower limit output voltage
Permissive load resistance
Detection frequency
Operating reference
voltage 1
Operating reference
voltage 2
Upper limit output voltage
Lower limit output voltage
Permissive load resistance
Voltage gain
Detection frequency
Detection time constant
Operating reference
voltage 1
Operating reference
voltage 2
Upper limit output voltage
Permissive load resistance
H (DA)
L (DA)
V
V
V
V
V
V
Symbol
GB1TE
GB2TE
V
R
V
V
R
V
R
V
Rt1TE
Rt2TE
f
f
G
OP1DC
OP2DC
DRt1
DRt2
OS1TE
OS2TE
f
OP1RP
OP2RP
f
C1TE
C2TE
OHTE
OHDC
T
OHRP
OLDC
LMDC
LMRP
OLTE
LMTE
CDC
CRP
VRP
RP
Circuit
Test
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
9
f = 1 kHz
TE
R
TEBC = HiZ
GVSW = V
GVSW = V
GVSW = GND, DRt2FE
-3dB point
R
VRO reference
TPI/TNI open
GND reference
-3dB point at low-frequency
with output amplitude = 0dB
when RFO = 1.2 Vpp/350 kHz
in relation to V
FNI/FPI open,
VRO reference,
RFN-Vcc = 47 kW
VRO reference,
RFO = 1.2 Vpp/350 kHz
RFN-Vcc = 47 kW
GND reference
AMP gain after detection
-3dB point at low-frequency
with output amplitude = 0dB
when RFO = 1.2 Vpp/700 kHz
in relation to V
1.2 V
(Cin > 1 mF)
VRO reference, no input
VRO reference,
RFO = 700 kHz, 1.2 Vpp
GND reference
TIN
TEFB
RFB
PP
= 47 kW
= 39 kW
= 39 kW
/5 kHz square wave
Test Condition
CC
CC
, DRt1FE
OP1DC
OP1RP
¾
¾
¾
GVSW = V
GVSW = GND
TEBC = GND
TEBC = V
GVSW = V
GVSW = GND
GVSW = V
GVSW = GND
CC
CC
CC
CC
-0.15
1647
-150
-1.0
Min
411
+40
-60
-50
2.9
0.6
2.9
0.7
2.9
-1
-1
¾
¾
¾
¾
¾
¾
¾
¾
5
5
5
-0.85
1872
Typ.
0.75
0.85
468
+50
-50
3.1
0.1
3.1
0.3
4.4
3.1
40
40
10
15
10
35
37
10
0
0
0
0
0
TA2157F/FN
2002-11-21
2092
+150
0.15
-0.7
Max
525
+60
-40
+50
0.3
0.9
0.5
1.0
+1
+1
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
V/ms
Unit
kHz
kHz
kHz
mV
kW
dB
kW
kW
dB
kW
%
V
V
V
V
V