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TA2050TOSHIBAN/a100avaiGROUND ISOLATOR IC
TA2050tripathN/a1830avaiGROUND ISOLATOR IC


TA2050 ,GROUND ISOLATOR ICTA2050S/Fm""""""'"'"""''' MMV-9.ltMIFiqTA2050S/F are ground isolator IC designed for car audio ITAZ ..
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TA2050
GROUND ISOLATOR IC
TOSHIBA TA2050S/F
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA2050S, TA2050F
GROUND ISOLATOR IC
FEATURES
TA2050S/F are ground isolator IC designed for car audio TA20505
equipments.
These IC contains dual channel differential amplifier with
built-in feedback resistors.
The effect of ground noise due to difference grounding
points on car chassis between head unit and other
component unit can be reduced by high common mode
rejection performance.
Non-inverting and inverting application are available.
SIP9-P-2.54A
TA2050F
Dual Channel Differential Amplifier
Built-in feedback Resistor
High Common Mode Rejection Ratio
: CMRR=60dB (Typ.) (VCC=8V, f=1kHz, VCM =1Vrms)
SSOP16-P-225-1.00A
Low Noise Weight
. - S|P9-P-2.54A : 0.929 (Typ.)
. VNO=1.7/Nrms (Typ.) SSOP16-P-225-1.00A : 0.149 (Typ.)
(VCC=8V, Rg=6200, Filter=20Hz--20kHz)
Low Distortion
: THD=0.002% (Typ.) (VCC=8V, f=1kHz, V|N=1Vrms)
Package
: TAZOSOS Single-Inline 9pins (SIP-9)
TA2050F 1mm pitch Flat package 16pins (MFP-16)
Operating Supply Voltage Range
: VCC (opr) = 5--10V (Ta = 25°C)
961001 EBA1
OTOSHIBA 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 responsibility of the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid
situations in which a malfunction or failure of a TOSHIBA 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 the TOSHIBA Semiconductor Reliability Handbook.
OThe products described in this document are subject to foreign exchange and foreign trade control laws.
OThe information contained herein is presented only as a guide for the applications of our products. No responsibility
is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third
parties which may result from its use. No license is granted by implication or otherwise under any intellectual
property or other rights of TOSHIBA CORPORATION or others.
OThe information contained herein is subject to change without notice.
1998-02-25 1/11
TOSHIBA
BLOCK DIAGRAM
TA2050S
IN(+)1 'oh,
IN(-)1 2/
VREF o
IN(-)2 P,
IN(+)2 b'
, OUT1
TA2050S/F
TA2050F
S..':'..,
IN(+)1 'iih, +
D OUT1
IN(-)1 1; -
VREF Ci
IN(-)2 ii)
IN(+)2 ly
8) OUT?
X 3, 5, 7, 9,11,14,16pin : NC
1998-02-25 2/11
TOSHIBA
TA2050S/F
TERMINAL EXPLANATION
TERMINAL
NAME SYMBOL CONTENTS EQUIVALENT CIRCUIT
Noninverting input terminal for channel
1. IN(+)1
1 13 IN(+)1 This terminal is biased by resistor (100k0 IN(_-)1
(Typ.)) from internal reference amplifier. Egg
Inverting line input terminal for channel 'fe'
2 1 IN - 1 . . . . .
5 ( ) This terminal IS biased by resistor (100k0 -(Typ.)) from internal reference amplifier.
-4:9 VCC
Channel 1 output terminal.
3 1 OUT1 . .
Output resistor IS 1000 (Typ.).
-vvv-C) OUT1
-o GND
Reference voltage terminal. Fi J
4 2 VREF Individual built-in reference amp for each VREFC ;
channel. =
5 4 GND - -
6 6 VCC - -
Channel 2 output terminal.
7 8 OUT2 Output resistor is 1000 (Typ.). Same as OUT1
8 10 IN (-) 2 Channel 2 Houtp0t terminal.
Output resistor IS 1000 (Typ.).
. Same as lN(+)1,IN(-)1
9 12 IN (+) 2 Channel 2 output terminal.
Output resistor is 1000 (Typ.).
- 9 NC Non. connection terminal for TA2050F. -
1998-02-25 3/11
TOSHIBA
TA2050S/F
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage VCC 15 V
. . . TA2050S 900
Power Dissipation TAZOSOF PD (Note) 350 mW
Operating Temperature Top, -30--85 °C
Storage Temperature Tstg - 55--150 'C
(Note) Derated above Ta =25°C in the proportion of 7.2mW/°C for TA2050S, 2.8mW /°C for
TA2050F.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Vcc=8V, f=1kHz, RL=10kQ, noninverting configuration, Ta =25°C)
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Quiescent Current lcco - Vin = 0 6 9 15 mA
Voltage Gain GV - - -1 0 +1 dB
M . O t t V It VOM (1) - Noninverting, THD= 1% 1.3 1.7 - V
axlmum u pu o age VOM (2) - Inverting, THD=1% 1.0 IQ - rms
. . . Vout=1Vrms 0
Total Harmonic Distortion THD Filter Bw=400Hz--30kHz - 0.002 0.01 A:
Cross Talk CT. - Vin =1Vrms - - 86 - 75 dB
Imput Resistance RIN - - - 100 - k0
Output Resistance ROUT - - - 100 - n
. Rg = 6200
Output Noise Voltage VNO - DIN AUDIO Weighting - 1.7 3.0 pl/rms
M R . .
Common ode ejection CMRR - - - - 60 - 50 dB
Maximum Common mode
Input Voltage VCM (MAX) - CMRR - - 50dB 1.0 1.6 - Vrms
Ripple Rejection Ratio R.R. - f=100Hz - - 57 - 50 dB
1998-02-25 4/11
TOSHIBA TA2050S/F
TEST CIRCUIT
TAZOSOS non-inverting circuit TA2050S inverting circuit
TA2050F non-inverting circuit
PII IN2
1998-02-25 5/11
TOSHIBA
.an - Vcc
Ta=25''C
a V no
o 2 a m m 10 12 E a 18 20
SUPPLY VOLTAGE Vcc (V)
THD I Vout
NONINVERTlNG
VCC--8V
ow Ta=25"C
0.05 f--100Hz, 1kHz
0.0.. 0.03 0.1 0.3 l w
TOTAL HARMONIC DISTORTION THD (%)
OUTPUT VOLTAGE Vout (Vrms)
Vcc--8v
VIN-- 1Vrms
Ta u 25T
INVERTING
NONlNVERTlNG
TOTAL HARMONIC DISTORTION THD
me So woo lk 3k Sr 30k Sow
FREQUENCY f (Hz)
VOLTAGE GAIN GV
TOTAL HARMONIC DISTORTION THD (%)
(Vrms)
MAXIMUM OUTPUT VOLTAGE
TA2050S/F
INVERTING
NONlNVERTlNG
we 100 woo lk 3k 10k max Sow
FREQUENCY f (Hz)
THD I Vout
INVERTING
0.5 Vcc-- 8V
ow Ta n mom
0.05 f-- 100Hz, 1kHz
th01 0.8 ihl ow l w
OUTPUT VOLTAGE Vout (Vrms)
VOM I Vcc
THD=0.1%
2.4 f-- lkHz
Ta--25''C
NONlNVERTlNG
lNVERTING
0 2 4 m m IO 12 14 16 18
SUPPLY VOLTAGE VCC (V)
1998-02-25 6/11
TOSHIBA TA2050S/F
CMRR - f CMRR - VCM
-72 -90
Vcc=8V
g -68 Q -80 f=1kHz
F _ T =25°c
tf -64 g -70 a
Q -60 Q
_lpa; _t,-ra; -60
'SHT, 'S"E
av -56 2v
_t.;',a'ii': -52 Lo“; -50
" " -40
5 -48 8
E E -30
E -44 E
U -40 L.l -20
30 100 300 1k 3k 10k 30k 100k -14-12-10 -8 -6 -4 -2 o 2 4 6
FREQUENCY f (Hz) COMMON MODEINPUT VOLTAGE VCM (dBV)
R.R. - f R.R. - Rg
Vcc=8V VCC=8V
E Vrip=1Vrms E f=100Hz
L? Ta=25°C E. V. IV
. ' r1p= rms
x, _ Ta=25°C
LU LLI
I.” U]
30 100 300 1k 3k 10k 30k 100k 30 100 300 1k 3k 10k 30k 100k
RlPPLESlGNALFREQUENCY f (Hz) SIGNAL SOURCE RESISTANCE R9 (Q)
R.R. - Vcc VNO - Rg
g; -6a ii,
tu,':. -60 fl
_ -56 o
1: 52 >
b,] LA'
?, -48 vrip=316mvrms 9
tit f=100Hz P.
t -44 "s
Ta=25°C o
o 2 4 6 8 10 12 14 16 18 20 30 100 300 1k 3k 10k 30k 100k
SUPPLY VOLTAGE Vcc (v) SIGNAL SOURCE RESISTANCE R9 (Q)
1998-02-25 7/11
TOSHIBA
QUIESCENT CURRENT
'CCQ - Ta
0 20 40 60
AMBIENT TEMPERATURE Ta
(Vrms)
MAXIMUM OUTPUT VOLTAGE
TA2050S/F
VOM - Ta
VCC=8V
f=1kHz
THD=0.1%
NONINVERTING
INVERTING
- 40 - 20 0 20 40 60 80 100
AMBIENT TEMPERATURE Ta (°C)
1998-02-25 8/11
TOSHIBA TA2050S/F
APPLICATION BLOCK DIAGRAM
(1) Noninverting line output
HEAD UNIT BOOSTER AMP UNIT
f.r.h.
's2J ”1,
EQUIVALENT NOISE
SIGNAL GENERATOR
(4) Inverting line input
1998-02-25 9/11
TOSHIBA TA2050S/F
OUTLINE DRAWING
S|P9-P-2.54A Unit : mm
7.9MAX
{32:0 3
-jrpii-ts:.r1i'ia,,.',ii:,, , "
0.98TYP -,Lpstt.:.r1i'Las.sga m 3 1 o.2sh%s
E.Eiil1.2so.1
22.78MAX
. 22.28102 ic''"''
Weight : 0.92g (Typ.)
1998-02-25 10/11
TOSHIBA TA2050S/F
OUTLINE DRAWING
SSOP16-P-225-1.00A Unit : mm
16 9%_
HHHHHHHH 1 '
N cn E?
(D II) cu
C) st' co Sy,
'ldlirlilldldldld_,
. TYP . .
oiTYe, -jllL4yvaaaia
[11:33:02
,‘ o 1559 65
A o.525io.2
Weight : 0.14g (Typ.)
1998-02-25 11/11

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