ta2157f TOSHIBA Semiconductor CORPORATION, ta2157f Datasheet - Page 7

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

Maximum Ratings
Electrical Characteristics
RFGC = = = = VRO, GVSW = = = = V
Supply voltage
Power dissipation
Operating temperature
Storage temperature
Note 1: TA2157F: Derated above 25°C in the proportion 4.76 mW/°C.
Power
supply
Reference
voltage
APC
MD
RF
FPI (FNI)
® RFO
® LDO
TA2157FN: Derated above 25°C in the proportion 4 mW/°C.
Characteristics
Characteristics
Assured power supply
voltage
Power supply current
(normal mode)
Power supply current
(CD-RW mode)
Reference voltage
Output current
Input current
Voltage gain
Operating reference
voltage
LD off voltage
Input bias current
Transfer resistance 1
(normal mode)
Transfer resistance 2
(CD-RW mode)
Frequency characteristic 1
(normal mode)
Frequency characteristic 2
(CD-RW mode)
Output slew rate
Upper limit output voltage
Lower limit output voltage
Permissive load resistance
TA2157F
TA2157FN
(Ta = = = = 25°C)
CC
)
(unless otherwise specified, V
Symbol
Symbol
G
V
R
V
V
Rt1RF
Rt2RF
f
f
SR
V
V
I
T
T
VRO
I
I
C1RF
C2RF
V
IAPC
OHRF
P
I
VAPC
LDOP
OLRF
LMRF
CC
CC
I
opr
OH
CC
stg
OL
MDI
CC
D
RF
1
2
Circuit
Test
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
-55 ~ +150
-40 ~ +85
Rating
600
500
7
SEL = HiZ
TEBC = HiZ
RFGC = HiZ
When V
DV = -0.1 V
DV = +0.1 V
f = 1 kHz
V
V
V
f = 100 kHz
Rf = 12 kW
-3dB point
Rf = 12 kW
C
GND reference
5
LDO
CC
MDI
RFO
reference, SEL = GND
= 178 mV
= V
= 20 pF
CC
Test Condition
CC
= 3.3 V
Unit
mW
°C
°C
- 1.3 V
V
¾
¾
GVSW = V
GVSW = GND
GVSW = V
GVSW = GND
GVSW = V
GVSW = GND
CC
= = = = 3.3 V, VRO = = = = 1.65 V, Ta = = = = 25° ° ° ° C,
CC
CC
CC
-0.75
-200
1.55
170
325
Min
3.0
2.2
13
12
74
¾
¾
¾
¾
¾
3
3
5
Typ.
1.65
-0.7
200
178
-50
370
3.3
2.4
0.2
19
18
¾
¾
85
13
35
10
8
TA2157F/FN
2002-11-21
Max
1.75
186
414
3.6
0.4
25
24
¾
¾
¾
¾
95
¾
¾
¾
¾
¾
0
MHz
V/ms
Unit
V/V
mA
mA
mV
nA
kW
kW
V
V
V
V