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TA7140PTOSN/a8avaiVoltage Amplifier / Low Output Power Amplifier


TA7140P ,Voltage Amplifier / Low Output Power Amplifierb CHARACTERISTIC TOSHIBA, ELECTRONIC Cliil I) nlyr?iilrr? DULEB‘I? E r . - = " ---. __--'--'- ..
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TA7140P
Voltage Amplifier / Low Output Power Amplifier
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TOSHIBA, ELECTRONIC ma I) [human
":-rr_'''r'5. 9097 7247 TOSHIBA.
ELECTRONIC
DULEB‘I? a T
" 02E 16897
"ru-re-or.. DI-
VOLTAGE AMPLIFIER
LOW OUTPUT POWER AMPLIFIER
. Especially Suitable for Line Output Amplifier
Recording Head Driver and_Headphone Driver of Tape
Recorder Deck.
. Low Noise t 1lta=1PVrms
. Wide Operating Supply Voltage Range
t Ircty--3.r-251l
. 150mH Audio Output Power at Vcc=20V, RL=1500
MAXIMUM RATINGS (Ta=25°C)
Unit in mm
basis of No.1 lead.
-rfei,:',':
17.8qu 01.0
m V V? q
5 (151015 2.5¢+025
i,',' 1.2:(125 Q25+015
Lead pitch is 254 and tolerance is
$025 against theoretical center of
each lead that is obtained on the
TOSHIBA BTA-P
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage VCC 25 V
Power Dissipation (Note)' PD 400 mw
Operating Temperature Topr -25 _ 75 "c
Storage Temperature Tstg -55 --125 oc
Note: Derated above Ta=25°C 1n the proportion of 4mw/°c.
"ELECTRICAL CHARACTERISTICS (Unless OtherW1se specified
Vcc=20V,Ta=25°C,RL=1500,Rf=1000.,Rg=6000,f=1kHz)
rcra"cTusHiBAzcrci'acxrcrar _
.c' -54-
_ TEST
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Operating Supply Voltage - - .
Range Vccopr 3.5 20 25 ll
. VOUT=0 - 4.0 6.0
Supply Current ICC - £=1kHz mA
VOUT=4 . 511rm - 16 . 5 -
Voltage Gain (Open Loop) GVO - Rf=00 - 63 - dB
Voltage Gain (Closed Loop) GV - - 36.5 40 43.5 dB
(Note)
Total Harmonic Distortion TED - 111Tf iil'rms - 0.5 l 'g
CC . V6UT=1.0Vms - 1 - 2
Maximum Output Voltage Von - THD=IOZ - 6 - Vrms
Input Resistance RIN - - - 30 - k0
BW=20Hz ' 20kHz,
Out tNol Vlt - - 100 200 V
u pu 0' Be tt age VNO 1813le " ms
Note: In regard to the value of voltage gain (closed loop), It ls possible to be classif_ied.
TOSHIBAw ELECTRONIC Cli? l) Ilr._.ri't!.1'.i,' DULEBHB u fr
-. ,--ss-r;-s-s ~-~-v--~r-~ ~--~¢ -naC-=grT=It=Kucr,
_ 9097247 TOSHIBA ELECTRONIC . __p_2j§_ .,1,-li,ilf-lf-, rr'-.--
TA7I40P
T-74-05-01
EQUIVALENT CIRCUIT
m _ Q4
2 I-------?
; of; V 'c?ts
Ci) . KM D5 £3
. Jff -(tCs)
D6 M .
DI ' .
D2 ' A
l F’QS y/Qs
Dis 's Q7
F . Ci)
TEST CIRCUIT
5300 pl?
_-g-."--
£1 A & n1: -414.st
==Grit : Fl
TOSHIBA, ELECTRONIC DE I) D‘ID'372‘47 UULEB‘H i, T.
?,llfi,i,'fl,f,,,7., rI,c-iiit-irr,t,,/)-,; ELECTRONIC
'iic'ii'iiijiiiiiiccc"
'/-,o,),i-i,, _,li,i.rt):s,yi.,s, J'
_ 1:74 05 01
Gvo, 0V - f
VOLTAGE GAIN Gvo, av (dB)
10 GO 100 goo 1k BK
FREQUENCY f (H_z)
10k 30k 100k
Vou’r - VIN
Voc=2 0V
RL=150Q
Gv=4 OdB
f = 1 kHz
Ta = 2 "
OUTPUT VOLTAGE Vouw (17mg)
1 3 5 10
INPUT VOLTAGE VIN (mvms)
GO 50 100 goo 500
Vour - Vcc
RL=1500
GV=40dB
f=l kHz
Ta=25‘C
OUTPUT VOLTAGE VOUT (vms)
5 10 IO 2
SUPPLY VOLTAGE v00 (v)
OUTPUT VOLTAGE vow. (Vma)
TOTAL HARMONIG DISTORTION THD (%)
SUPPLY CURRENT Icc (m)
Vou'r - f
vcc=2ov
RL=15 on
GV=40dB
THD=1%
Ta=2 "
GO 100 GOO 1k " 10k 30k ItOk
FREQUENCY , (Hz)
THD - VOUT
a3 a5 1 3 6 10
OUTPUT VOLTAGE VOUT (vme)
Ice - Vcc
5 10 16 20 "
SUPPLY VOLTAGE Iron (v)
'=TOSHIBA
K a L; == '3£= A 3
“mg: i; :3: r
TOSHIBA, ELECTRONIC DE I) [Inrvririsi, DULE‘lUD cl II
_ suo9'trtjr'r,_rri:o.s!ii?A-E,ir,
Iifiirrfy?N 1C: _
-r'""ii'iirihtilr-r
VOUT - Ta ICC - Ta
ttli' E
25 vcc=2ov a
t',',c! GV=4OdB 5
H f=1kHz >4
3 RL=1soQ g
g THD=1% m
--2t5 o 26 50 '75 .925 0 25 60 '75
AMBIENT TEMPERATURE Ta ft3) AMBIENT TEMPERATURE Ta ('0)
Ice - VOUT PIN, PD - Vou'r
V Be; 100
o :3 H
'ta' - E5
it _ 0 10 P
8 E, m OUT
o 2 l 6 a ' 0 o 2 4 6 B 10 12
OUTPUT VOLTAGE VOUT (Vms) OUTPUT VOLTAGE VOUT (vme)
PD - VCC ' PD _ Ta
500 t, 500
v 100 o 400
g 300 g 300
a 200 ti 200
E 100 g 100
o .4 o
o t5 10 15 20 25 q -zio o 40 BO 120 160 200
SUPPLY VOLTAGE v00 (v)
AMBIENT TEMPERATURE Ta ttO
AUDIO LINEAR l
3 n 111.: L n. aw G n
TOSHIBA, ELECTRONIC me I) 'sr/li'.?'??'.'. UDLEEIEIL a T.
_sriipii.,,rli,,4, 7 cT,sisi,,e i,l:0,,f?-l)-r-, ---" _ -"rrc' 02E It?p1-,, f fr---, -
L_ -- w-i-u---- --.i-------" ._u_.,_.._#___ _ T.-" " . .. _ ._ -
1iiiijiiiiiii T-74-05..01
APPLICATION CIRCUIT
l. HEADPHONE AMPLIFIER
2700p]? 5600pF ' t v00
' r. o F--- I g
i H v.v a THD METER
i 47m“ R1 I
. +3.1 w‘- . HEADPHONE
I 1100
2. BUFFER AMPLIFIER (Gv=9dB)
1500p?I 4700pF o b .
'-- _ 3
V.V & TED METER
C1,02 and C3 are for preventing
parasitic oscillation.
For various closed loop gain,
recommended compensation values
. are shown in the following table.
VOLTAGE GAIN .
GV 40dB 30dB 20dB 10dB OdB
Rf [Q] 100 330 1.1k 4.7k m(open)
C1 [pF] 0 1500 1500 1500 1500
tht [pF] 3300 4700 4700 4700 4700
Ca [pF] 0 o V o o 2200
raraaTttS"HtBAsv.car; . . v4'l'pc
'25.: t I _ -, ceirt%" . a “m:- n;
TOSHIBA, ELECTRONIC HE I) UWDEI'MLI? DDLE‘iUE BF
ao Ta =2 "
APPLI ' CIRCUIT 3
.a.U1_7/-s- ' . "r." Han: """
. 9097247 TOSHIBA 1,riiyrtii.ts'i1ii:l, 02E "iis)iii)r/' D
av. THD - f av, THD - f
- - . Pt Pt
a V2255 Tdr/tf j?, li,? Ircto---20v, Rv=lson f?,
t! A . EA V APPLI. CIRCUIT a EA
R =zzg i?, t.?: tr 'i', Sn
5 f a 9 © 2
Pt a a a
H 68 o < O
'3: g o ati g
o a: ID
53: 22 g Stl " g
S s a2
o A g THD a
tr o 5 t) g
20 100 500 " 3k 10k 50k 100k Fn o 60 100 goo lk 3k 10k 30k60lr 8
FREQUENCY f (Hz) mmmucy f (Hz)
VOUT - VIN
I VOUT - f 1
"t vco=2ov, RL=15 a
E e THD=1% pf
t Ta=25'C '
" APPLI. omcurr 2 f;
g s k'
' =10t1B a
S 0 ty
g '? ts Vcc=20V
H e' E ao R1,: 1500, fu--1kHa
020 so 100 300 lk GK 10k 50k 100k ao11 3 5 1o GO 50 100 500500 lk 51:51:
FREQUENQY f (Hz) . INPUT VOLTAGE VIN (mvms)
voc=zov. RL=15DQ
60 Ta=25'C
APPLI. CIRCUIT s
Rf=1oon
VOLTAGE GAIN Gv (dB)
20 50100 goo lk 3k 10k lstur_10ok
FREQUENCY r figs)
mm“. M ... - V..-
""-te -tqtlt Auk ‘ur -
L. _ . _ --59-
AUDIO LINEAR IG==

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