ta2157f TOSHIBA Semiconductor CORPORATION, ta2157f Datasheet - Page 8

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

AGC
AGCI
® RFGO
FE
FPI (FNI)
® FEO
Characteristics
Voltage gain 1
Voltage gain 2
Voltage gain 3
Frequency characteristic 1
Frequency characteristic 2
Frequency characteristic 3
Output slew rate
Upper limit output voltage
Lower limit output voltage
Permissive load resistance
Transfer resistance 1
(normal mode)
Transfer resistance 2
(CD-RW mode)
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
V
V
Symbol
V
GB1FE
GB2FE
G
G
G
V
R
V
R
Rt1FE
Rt2FE
V
f
f
f
SR
f
f
OS1FE
OS2FE
C1AG
C2AG
C3AG
OHAG
C1FE
C2FE
OLAG
LMAG
OHFE
OLFE
LMFE
V1AG
V2AG
V3AG
AG
Circuit
Test
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
8
f = 1 MHz
-3dB point
C
GND reference
f = 1 kHz
R
R
GVSW = V
GVSW = GND, DRt2FE
-3dB point
R
VRO reference
FPI/FNI open
GND reference
RFO
FIN
FEFB
FEFB
= 47 kW
= 20 pF
= 33 kW GVSW = GND
= 33 kW
Test Condition
CC
, DRt1FE
¾
¾
RFGC = GND
RFGC = HiZ
RFGC = V
RFGC = GND
RFGC = HiZ
RFGC = V
GVSW = V
GVSW = V
GVSW = GND
GVSW = V
GVSW = GND
CC
CC
CC
CC
CC
-100
-1.5
127
545
-50
Min
5.5
2.2
2.9
12
¾
¾
¾
-1
-1
¾
¾
¾
¾
¾
5
5
Typ.
-0.5
13.5
145
620
6.5
2.4
0.2
3.1
0.1
15
15
15
25
10
20
20
10
0
0
0
0
TA2157F/FN
2002-11-21
+100
Max
162
694
+50
0.5
7.5
0.4
0.3
15
¾
¾
¾
¾
¾
¾
+1
+1
¾
¾
¾
¾
MHz
V/ms
Unit
kHz
mV
dB
kW
kW
dB
kW
V
V