TA7256 ,DUAL POWER OPERATIONAL AMPLIFIERapplications.rl:l-\I UI'KIZDO HSIP 10Pin Power Package Capsealed.
FlSlp1t1-p-2 saO Build-in Over C ..
TA7256P ,DUAL POWER OPERATIONAL AMPLIFIERTA7256P TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA7256P DUAL POWER OPERATIO ..
TA7257P ,BRIDGE DRIVERTA7257P TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA7257P BRIDGE DRIVER The ..
TA7259F ,DC MOTOR DRIVER ICFEATURES 3−phase Bi−directional driver and output current up to ±1.2 A. Few external parts req ..
TA7259P ,DC MOTOR DRIVER ICTA7259P/P(LB)/F TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA7259P,TA7259P(LB), ..
TA7262F ,DC MOTOR DRIVER (3 PHASE Bi .DIRECTIONAL)TA7262P/P(LB)/F TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA7262P,TA7262P(LB), ..
TC514400AZ-60 ,60 ns, 4-bit generation dynamic RAMFEATURES
. 1,048,576 word by 4 bit organization 0 Low Power .
. Fast access time and cycle time 6 ..
TC514400AZ-80 ,80 ns, 4-bit generation dynamic RAMFEATURES
0 1,048,576 word by 4 bit organization
. Fast access time and cycle time
TC514400AP ..
TC514400AZL-60 ,60 ns, 4-bit generation dynamic RAMfeatures include single power supply of SVi 10% tolerance, direct
interfucmg CupnbiliLy with high ..
TC514400AZL-70 ,70 ns, 4-bit generation dynamic RAMFEATURES
. 1,048,576 word by 4 bit organization . Low Power
. Fast access time and cycle time 550 ..
TC514400AZL-70 ,70 ns, 4-bit generation dynamic RAM1,048,576 WORD x4 BIT DYNAMIC RAM PRELIMINARY
DESCRIPTION
The TC514400APL/AJvASJLAZL is the n ..
TC514400AZL-80 ,80 ns, 4-bit generation dynamic RAMFEATURES
. 1,048,576 word by 4 bit organization . Low Power
. Fast access time and cycle time 550 ..
TA7256
DUAL POWER OPERATIONAL AMPLIFIER
TOSHIBA TA7256P
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA7256P
DUAL POWER OPERATIONAL AMPLIFIER
The TA7256P is a dual power operational amplifier.
It is intended for use especially DC MOTOR positioning
system applications such as, Arm Driver (for Audiodisk
Players), head or voice coil motor drivers (for Floppy and
Winchester Disk Drivers) and any other power driver
applications.
FEATURES
o HSIP 10Pin Power Package Capsealed.
HSIP10-P-2.5d
Weight : 2.47g (Typ.)
o Build-in Over Current Protector.
0 Few External Parts Required.
0 Output Current Up to 1.0A (PEAK)
BLOCK DIAGRAM
VSENSE1 D
+VIN1 + V0UT1
AMP.1 Ci)
Ci) VEE VCC D
+VIN2 AMP.2 Ci)
_ VOUTZ
VSENSEZ
961001EBA2
O TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can
malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibilit of the buyer, when utilizing
TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TO HIBA product could cause loss
of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified
operating ranges as set forth in the most recent products specifications. Also, please keep in mind the precautions and conditions set forth in tho
TOSHIBA Semiconductor Reliability Handbook.
0 The products described in this document are subject to foreign exchange and foreign trade control laws.
0 The information contained herein is presented only as a guide for the ap Iications of our products. No responsibility is assumed by TOSHIBA
CORPORATION for any infringements of intellectual property or other rights o the third parties which may result from its use. No license is granted
b implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others.
o T e information contained herein is subject to change without notice.
1997-08-27 1/5
TOSHIBA TA7256P
PIN FUNCTION
PIN No. PIN SYMBOL FUNCTIONAL DESCRIPTION
1 VSENSE1 AMP.1 output current sensing terminal.
2 VOUT1 AMP.1 output terminal.
3 -VIN1 AMP.1 input terminal (-).
4 +V|N1 AMP.1 input terminal (+).
5 VEE Negative-side power supply terminal.
6 +VIN2 AMP.2 input terminal (+).
7 -VIN2 AMP.2 input terminal (-).
8 VOUTZ AMP.2 output terminal.
9 VSENSEZ AMP.2 output current sensing terminal.
10 VCC Possitive-side power supply terminal.
MAXIMUM RATINGS (Ta=25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage Vcc, VEE i 18 V
Output Current Io (AVE.) 0.5 A
Power Dissipation PD (Note) 12.5 W
Operating Temperature Top, - 30-75 °C
Storage Temperature Tstg - 55--150 °C
(Note) Tc = 25°C
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Vcc=15V, VEE = -151/, Ta =25°C)
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Quiescent Current ICC - - - 10 20 mA
Input Off Set Current 'IO - - - 10 200 nA
Input Bias Current ll - - - 100 700 nA
Input Off Set Voltage v.0 - - - 2 6 mV
. Upper VOH - 12 13.0 -
Output Voltage Swing Lower VOL - RL=33fl -12 -13.0 - V
Open Loop Gain GVO - - - 100 - dB
Input Common Mode Voltage CMR - - 112 114 -
Common Mode Rejection Ratio CMRR - - 70 90 - dB
Supply Voltage Rejection Ratio SVRR - - - 50 150 ,uV/V
Band Width fT - Open loop - 1.0 - MHz
Gv=0, RL=33Q
R - - .1 - V
Slew Rate s R=1OQ, C--0.1PF 0 5 /pzs
Short Circuit Current ISC - Rsc--2.2n - 0.35 - A
Cross Talk CT - RL = 330, VOUT =1Vp-p - 60 - dB
1997-08-27 2/5
TOSHIBA TA7256P
C) INFINITE HEAT SINK
© 80cm2x2mm Al HEAT SINK
© 18cm2x2mm Af HEAT SINK
POWER DISSIPATION PD (W)
0 20 40 60 80 100 120 140 160
AMBIENT TEMPERATURE Ta CC)
APPLICATION CIRCUIT 1
- 3 D- Cl OUT1
VIN1 t e' LL Fe
o--'(i. >_, T
4 l' 2 RSC o;
cs--,; ts] < D- g oun
VINZ r- i u. , r
o-Nw--) Ci)- Rsc gg
‘—O VEE
* = 0.77 (V)
( ) Isc=kic"/h)' (Q) (A)
(Note) Utmost care is necessary in the design of the output line, VCC and GND line since IC
may be destroyed due to short-circuit between outputs, air contamination fault, or
fault by improper grounding.
1997-08-27 3/5
TOSHIBA TA7256P
APPLICATION CIRCUIT 2 (Compact disk player use actuator system)
FOCUS INPUT FOCUS COIL i
0.04pm
TRACKING gi) LENS
TRACKING INPUT
22kQ !
- 100m
SPINDLE MOTOR 102% map}:
ROTATION SPEED .. ..
CONTROL SIGNAL 9 10m
dp-ps- 3 39 SPINDLE
68k0 ' 2 . MOTOR _
C Co] 1 (CO
cE ) M
1997-08-27 4/5
TOSHIBA TA7256P
OUTLINE DRAWING
HSIP10-P-2.54 Unit : mm
l 22.0M.2
03.2102 . 4.0102
'c'", ',s. fl
1 25120.3
15.010 3
__.___ J _
1.82TYP I I tuuo.1 Elma - .
_ 2.54 1.2M.1
'27.0MAX
l: 26.5M.2
Weight : 2.47g (Typ.)
1997-08-27 5/5
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