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TA2104BN
3V AM/FM 1 CHIP TUNER IC (FOR DIGITAL TUNING SYSTEM)
TOSHIBA TA2104BN/BFN
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
T421] ”4N, T4211 ®4IFN
3V AM/FM 1 CHIP TUNER IC
(for Digital Tuning System)
TA2104BN, TA2104BFN are AM/FM 1 chip tuner ICs, TA2104BN
which are designed for portable Radios and 3V Head
phone Radios.
This is suitable for Digital Tuning System Applications. FM
Local Oscillation Voltage is set up low relativity, for NEW
FUNCTIONS
o For NEW FCC. SDIP24-P-300-1_78
TA2104BFN
It Suitable for combination with Digital Tuning System
which is included f Counter.
It One terminal type AM/FM IF count output for IF counter
of Digital Tuning System.
o FM : 1.3375 MHz (1/8 dividing)
. AM : 450 kHz
o Built-in Mute Circuit for IF count output.
SSOP24-P-300-0.65A
o For adopting ceramic Discriminator, it is not necessary to
. . . Weight
adjust the FM Quad Detector Circuit. SDlP24-P-300-1.78 . 1.2g (Typ.)
o Built-in FM MPX vco circuit. SSOP24-P-300-0.65A : 0.14g (Typ.)
o Built-in one terminal type AM/FM Local Oscillator Buffer
Output for Digital Tuning System Applications.
It Built-in AM Low cut circuit.
It Low supply current. (VCC = 3V, Ta = 25°C)
Iccq (FM) = 11 mA (Typ.)
Iccq (AM) = 7 mA (Typ.)
It Operating Supply voltage range : VCC = 1.8~7V (Ta = 25°C)
(*) Handle with care to prevent devices from deterioration, by static electricity.
980910EBA1
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 sdecified
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 the foreign exchange and foreign trade 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 propert or other rights of the third
parties which may result from its use. No license is granted by implication or ot erwise under any intellectual
property or other rights of TOSHIBA CORPORATION or others.
OThe information contained herein is subject to change without notice.
1999-05-26 1/16
TOSHIBA TA2104BN/BFN
BLOCK DIAG RAM
H :MONO H :AM
OSC BUFF OUT
FM RFout RF VCC AM RFin FM OSC AM OSC OSC OUT ST LED IF REQ DET OUT LPF2
1 1 1 1 1
ANTENNA
1 2 3 4 5 6 7 8 1 11
RF GND FM RFin AM MIX OUT VCC AM IF IN FM IF IN GND QUAD R-OUT L-OUT
LOW CUT
R-OUT L-OUT
1999-05-26 2/16
TOSHIBA
EXPLANATION OF TERMINALS
(TerminalVoltage : Typical terminal voltage at no signal with test circuit, VCC = 3V, Ta = 25°C)
TA2104BN/BFN
PIN TERMINAL
VOLTAGE
No. CHARACTERISTIC INTERNAL CIRCUIT (Typ.) (V)
1 RF GND 0 0
(GND for FM OSC stage)
2 FM-RFin 0 0.8
C)-. a
RF GND o-] F
3 AM LOW CUT 1.0 -
4 MIX OUT 3.0 3.0
RF GND 0
VCC (Vcc for AM, FM IF,
5 FM MPX stage) - 3.0 3.0
6 AM IF IN 2.3 2.5
tsND(iiy--
7 FM IF IN a 3.0 3.0
1999-05-26 3/16
TOSHIBA TA2104BN/BFN
TERMINAL
ELI: CHARACTERISTIC INTERNAL CIRCUIT \(chilliT)A(G\/§
. AM FM
8 GND (GND for AM, FM IF, 0 0
FM MPX stage)
Vcce cl
9 AGC 0 0
GNDe v-
Vcc© I
10 QUAD JI. 2.5 2.2
-'-NVY-4r-AN, " ss-i-,
11 R-OUT
12 L-OUT _ C) 1.2 1.2
tsNDoiy-i"'-
LPF2 6? AM/FM
o LPF terminal for phase SW
Detector.
13 o Bias terminal AM/FM 0 2.2
SW circuit.
V13 = GND-9AM
V13 = OPEN-9FM Ct Ct
1999-05-26 4/16
TA2104BN/BFN
PIN TERMINAL
VOLTAGE
No. CHARACTERISTIC INTERNAL CIRCUIT (Typ.) (V)
LPF1 2f,
o LPF terminal for
14 Synchronous Detector. 0.7 2.4
o VCO Stop terminal.
v14 = GND-ol/co STOP
15 MPX IN 0.7 0.7
AM FM o-
16 DET OUT W tt 'N. 750T} (ii) 1.0 0.9
@o 'isss-t ©
GND® ' f - - - .
C0LOW-9FM, HIGH-SAM
(how-SAM, HIGH-9FM
--Cs) VCC
17 IF REQ ._K - -
18 ST LED - -
GNDQ .
1999-05-26 5/16
TOSHIBA TA2104BN/BFN
PIN TERMINAL
VOLTAGE
No. CHARACTERISTIC INTERNAL CIRCUIT (Typ.) (V)
19 OSC OUT 2.8 2.7
20 AM OSC 3.0 3.0
RF Vcc®
21 FM OSC 3.0 3.0
Vcc® I E
22 AM RFin El 3.0 3.0
D C) C)
RF VCC
23 - 3.0 3.0
(VCC for FM OSC stage)
24 FM RFout Cf. pin0) 3.0 3.0
1999-05-26 6/16
TOSHIBA TA2104BN/BFN
APPLICATION NOTE
1. AM Low-Cut Circuit
o The AM Low-Cut action is carried out by the bypass of the high frequency 22kQ +
component of the positive-feedback signal at the AF AMP stage. -
The external capacitor : C3 by-pass this component. 22 m
C The cut-off frequency fL is determined by the internal resistance
22 k0 (Typ.) and the external capacitor C3 as following ;
fL---l(Hz)
2xnx22x103xC3
O In the case of the AM Low-Cut function is not needed, set up the value of C3 over IPF.
In the condition of C3 2 IPF, the frequency characteristic has flat response at the low
frequency.
co It is possible to reduce the recovered output level at AM mode, by additional resistance
between the pine) and GND line.
2. FM Detection Circuit
For the FM detection circuit, detection coil is able to use instead of ceramic discriminator.
Recommended circuit and recommended coil are as follows. (In this case, please take care that
Vin (Iim.) falls a little.) Vcc Vcc
c TURNS WIRE
TESTFRE UENCY o REFERENCE
Q (pF) Qo 1-2 2-3 1-3 4-6 (mm¢)
TOKO Co. Ltd.
- - 30 - '
10.7MH2 51 45 0.08 UEW 6003EAS-10018Z
3. FM/AM switch and forced monaural switch.
C) FM/AM switchover and stereo/forced monaural switchover are done by pin© and pin 13).
C) FM/AM switch (pin (lb)
(V13 : Low (Active Low, Vth = 0.2V (Typ.), lth 30 PA (Typ.) -9AM )
V13 : OPEN -9FM
C) Stereo/forced monaural switch (pin g))
Cf, : Low (Active Low, Vth = 0.2V (Typ.), Ith 30 PA (Typ.) -aForced Monaural )
V14 : OPEN -aStereo
VCE (sat) ( VCE (sat) (
1999-05-26 7/16
TOSHIBA
TA2104BN/BFN
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage VCC 8 V
LED Current ILED 10 mA
LED Voltage VLED 8 V
. . . TA2104BN PD 1200
Power Dissipation TA2104BFN (Note) 500 mW
Operating Temperature Topr - 25--75 °C
Storage Temperature Tstg - 55--150 "C
(Note) Derated above Ta = 25°C in the proportion of 9.6 mW/°C for TA2104BN of 4mW/°C
for TA2104BFN.
1999-05-26 8/16
TOSHIBA
TA2104BN/BFN
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, Ta = 25°C, VCC = 3V, F/E . f = 98 MHz, fm = 1 kHz
FM IF: f= 10.7 MHz, s1f = :75 kHz, fm =1kHz
AM . f=1MHz,MOD = 30%,1m =1kHz
MPX fm = 1 kHz
CHARACTERISTIC SYMBOL fl); TEST CONDITION MIN. TYP. MAX. UNIT
I - V; = 0, FM mode - 11 14.5
Supply Current IEEEZTX) - v:: = 0, AM mode - 7 9.5 mA
Output Voltage (£12m - fosc = 108.7 MHz 23 35 - mvrms
cgrgg'imiting Vin(lim)lF - Y"; 5388:3512 EMF, 37 42 47 ngv EMF
532$“ Output VOD - Vin = 80 dBp1/ EMF 200 250 300 mVrms
:33: To Noise S/N - Vin = 80dBp1/ EMF - 75 - dB
FM TDEjrt'tgmmic THD - Vin = 80dB/N EMF - 0.3 - %
IF RAxioRijCti°n AMR - Vin = 80 dB/A/ EMF - 60 - dB
Eeiiiltcyouw hF(FM) - :w7=:8333#V EMF, 1.3373 1.3375 1.3377 MHz
'sFencs11r,l,ttyout''ut :33“ - SW7 : ON 41 46 51 ngv EMF
Gain GV - Vin = 27 dB/A/ EMF 20 38 70 ml/rms
52:39:“ Output VOD - Vin = 60dBp1/ EMF 60 85 108 mvrms
33?? To Noise S/N - Vin = 60dBp1/ EMF - 41 - dB
AM 2.'stttrtFitmonic THD - Vin = 60 dB/A/ EMF - 0.7 - %
'iooucta,2sfoe,f,t" 2,831?) AM - fOSC = 1.45 MHz 44 66 - mVrms
;::sci,tl:3i:youmm 12:)“ - SW7 : ON 38 43 48 dB/A/ EMF
PlN© Output Resistance R17 - 'e, '2,ti, I 357: I k0
1999-05-26 9/16
TOSHIBA TA2104BN/BFN
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Input Resistance RIN - - - 55 - k0
Output Resistance ROUT - - - 5 - kn
. L+R=90%,P=10%,
'litLt,,"/,':t"h',ita e \ilsr’lelxlaé? - SW3 : LPF ON - 700 - mVrms
g p g fm =1kHz,THD = 3%
L + R = 180 mVrms, fm = 100 Hz - 45 -
Separation Sep. - P = 20 mVrms fm = 1 kHz 35 45 - dB
SW3 : LPF ON fm = 10 kHz - 45 -
Monaural THD Vi - 200 mV 0 3
MPX Lotal . (Monaural) - m - rms - . - ry
Dim?” Stereo THD L + R = 180 ml/rms, o 3 o
IS o lon (Stereo) P = 20 mVrmS, SW3 : LPF ON .
Voltage Gain GV - Vin = 200 mVrms -2.7 - 1.2 0.2 dB
Channel Balance C.B. - Vin = 200 mVrms - 1.5 0 1.5 dB
Stereo LED ON VL(ON) - . - IO 14
Sensitivity OFF VL(OFF) - Pilot Input (19 kHz) 5 8 - mVrms
Stereo LED V To LED turn off from LED turn 2 mV
Hysteresis H - on - - rms
Capture Range C.R. - P = 15 mVrms - i8 - %
Signal Noise Ratio S/N - Vin = 200 mVrms - 80 - dB
Mutiny Attenuation MUTE - Vin = 200 mVrms - 80 - dB
COIL DATA
TEST L Co TURNS WIRE
COIL No. FREQ (pH) (pF) Qo 1-2 2-3 1-3 1-4 4-6 (mm¢) REFERENCE
L TOKO Co., Ltd.
L1 FM RF 100MHz 79 2 2 0.16UEW 666SNF-305NK
TOKO Co., Ltd.
L2 FM OSC 100 MHz 76 2 0.16UEW 666SNF-306NK
TOKO Co., Ltd.
T1 AM OSC 796 kHz 268 - 65 19 95 0.05UEW 5PNR-5146Y
TOKO Co., Ltd.
T2 AM IFT 455 kHz - 470 60 109 7 0.05UEW 5PNR-5147X
L1 : FM RF L2 : FM OSC T1 : AM OSC T2 : AM IFT
Pin® FM CF. AM C.F.
L 1_ _f
f- I" 7
VCC Pin© Vcc
1999-05-26 10/16
TOSHIBA TA2104BN/BFN
TEST CIRCUIT
[ a 5V
2.2/1F I : a,
VDD = 8V + - = 2 24kg DET OUT
i2 S LL
f,] 2 lg
AM-RFIN 2k!) '- .
HM,_ OSC OUT y: o
a Cl 0-022pF
K K‘ g, LL IF OUT 10,5 MPX IN
© 1.. + -
Vin< "IJ
1 c; M
' ' Vcc
t St g 2 I c . 3
ca scsi, gr t g t N
G I G T1 sct Pf,' JI f: m _
S E ' ' a o + LL 0
I' Ps ‘2 ? I' A , 5
v? L1 N I s? L2 )- LL © N ,
8T ft l £5” ,1st isw"
Kh Ahh ATh dh A"th
'ey 1?.Y I?.Y \29 Q9 Q9 Il?,, Q9 Q9 Ily
RF Vcc AM RFin FM AM OSC ST IF DET MPX LPF1
OSC OSC OUT LED REQ OUT IN
TA2104BN / BFN
AM LOW
FM RFin CUT MIX OUT Vcc AM IF IN FM IF IN GND AGC QUAD R-OUT L-OUT
m f..Ch m m A m m m m cs
'd.) 3 \4/ \5/ ty \7/ "i' 9 IO 11
t + -4.. u, + SW2
'9, 0.033% l _ I
. I ‘_ s;t u. LL
o _ I '-
T2 Pp t :5 3 f
Cl. N e! t + O.
l F- o o
J lil'; t F I
o-MN-"
FM-RF IN FM-IF lN -
2700 BPF : GFWBS (SOSHIN ELECTRIC Co., Ltd.)
CF1 : SFU4SOB (MURATA Co., Ltd.)
Vin CF2 : SFE10.7MA5 (MURATA Co., Ltd.)
CR : CDAI0.7MG80-A (MURATA Co., Ltd.)
1999-05-26 11/16
TOSHIBA TA2104BN/BFN
FMFE FM (IF)
VOD, THD, AMR - Vin VOD, THD, AMR - Vin
odB = 250 mVrms VOD 'it" OdB = 250 mVrms VOD "isis
Vcc = 3 V a a
a fin = 98 MHz Q G" -20 Q
‘U - T) I-
- Af = t75 kHz 8 V g
g fm = 1 kHz st., I's IE,
2 e, 2 -40 e,
W 2 v1 THD 75 kH -
E o 'd,' Z S
THD 75 kHz < - CC <
I l I 60 fin = 10.7 MHz I
a' - + k a'
22.5 kHz '5 Af - 175 HZ t
0 F- 0 fm = 1 kHz 22.5 kHz -
- 20 0 20 40 60 80 100 120 - 20 0 20 40 60 80 100 120
INPUT VOLTAGE Vin (dB/ru) INPUT VOLTAGE Vin (dB/zv)
FM (IF) FM (IF)
10 VOD, THD - Af 5 Von. Vin (lim), Icco - Vcc
A A 60
OdB = 250 nnvrms Cet: 53 ',
o o ' Vin (lim) A
-10 4 E g 40 E
a" Q a CCQ o
'o 1- < u
v -30 3 8 ti 20 s.'
Lu - O
E ‘2 > _
2 50 2 e g 0 VOD = 250 nnvrms E
E Vcc = 3 V 5 'i [i,
fin =10.7MHz ii: a f 10.7M it
- ug in = . Hz a.
-70 t - 3: kHz THD 75 kHz 1 E 'ls',', -20 df = i75 kHz it
'71 22.5 kHz t 'il fm - 1 kHz
90 Vin = 80 dir/rv EMF 0 - x 0 VOD : Vin = 80 dspv
- 300 - 200 - 100 o 100 200 300 o 2 4 6 8 10
CHANGE IN FREQUENCY Af (kHz) SUPPLY VOLTAGE v (v)
1 FM FM (IF)
9- IFsens. VOSC. " - VCC Tsens, VOD, VIF - Ta
E 400 "h AA 60 "h
rcF c'x 3% 61
E Lt. +sens ' m V IFsens 400 >
[tsr: v in g
51% v (buff) FM 300 E % g 0 LL
T2 U > V 300 >
V w v m
" IF g 212 Lu
5) < JF?, 20 'i'
gm ta - O Ln
g 200 9 " 200 o
FF- L-e; >
F--' r- SP -
ES 2 1:13 0 2
's-d, fin = 10.7 MHz 's 38 100 15
23 f = 1 kHz o W C)
mg- m 100 - m3 vcc=3v, Af= h75kFiz -
3: hr = 1.3375 MHz a 'EF, -20 a
20 Ta - 25°C 8 sy Vin = 80dB/zV EMF, fm =1kHz 3
Dre - oo _ - -
(YI', Vin = 80dBpV I' [i,')v,i,s' fin - 10.7 MHz, hr - 1.3375 MHz I'
L_LD _ -4
t o 2 4 6 8 10 940 -20 0 20 40 so 80
g SUPPLY VOLTAGE Vcc (V) AMBIENT TEMPERATURE Ta (°C)
1999-05-26 12/16
TOSHIBA TA2104BN/BFN
VOD, THD - Vin VOD, THD - MOD
20 600 6
VCC = 3 v Ci" VCC = 3 v "i,ie"
fin =1MHz v fi =IMH v
fm = 1 kHz 0 8 m - z D
OdB = 70 mVrms E > fm = 1 kHz F
0 m mod = 30%
a o I a
fi; Q f5 400 4 g
E'. - _. l
m THD 30% , fr-t J §
'h' -20 'g' 15; V03110dBpV 'fs'
g y E5 2
g g C) 200 60 dBpry 4/ 2 (23
-40 St fl _.--''" J,Yrcjj7' / E
I y TH "fo dB/zV L.----':."."..---" / I
a' O C..--"" " a'
-60 0 - 0 é/ 110 dBp1/ 0 F-
-20 0 20 40 60 80 100 120 0 20 40 60 80 100
INPUT VOLTAGE Vin (dB/IV EMF) MODULATION MOD (%)
AM g AM
VOD, Icco - Vcc g IFsens, Vosc. VIF - Vcc
iii' 20 rcE 100 la
T..?. ii< 400 g's
UU.......
o VOD(0dB = 85 mvrms) A >t E
g 0 < $13 80
E So v (b ff)AM '
(ll ”8 OSC u 300
< 8 5? a
Ln -20 y at'w 60 4
g -u VIF Ln
- 's F E 200 g
D g t5 r-
, -40 g E> 40 CD
8 u 17j'S ,
Cl it E": f 1 MH 100 8
“J . = n. 'f'E, in = z
E -60 Vin 60dBprV EMF 3 .20 20 fm =1kHz E
> fi = 1 MHz m 3:: hr = 450 Hz 3
O In oLu o C)
y, f - 1 kHz Qt Ta = 25 C u
m 80 m - +2 0 Vin = 60 dBpV(NhF) Le
2 4 6 8 10 g 0 2 4 6 8 10
SUPPLY VOLTAGE Vcc (V) il SUPPLY VOLTAGE Vcc (V)
AM MPX
IFsens, Von, VIF - Ta Sep, THD - Vin
AA 60 "ts 80 8 A
LL m I O
23 Ch VCC = 3 V t5.
Lig IFsens 400 E
> v L + R = 90%
ii5 40 u. p - 109f if
iii'' F Iii" 60 - " 6
sth' 300 v fm = 1 kHz 8
EA 8 at r:
1:: 20 < a tK
-f,', 200 'g 40 4 g
F > a -
55 F 8 3
Y--F- 0 2 4 a
FT F- ta: C)
20 100 D a E
$3 Vcc = 3 v 2 ly, 20 2 'di
'st Vin = 60 dBprV a I
3> fin = 1 MHz 8 a'
88 fm = 1 kHz u t
Eg mod = 30% Le 0 I-
- 40 - 20 o 20 40 60 80 0 200 400 600 800 1000
AMBIENT TEMPERATURE Ta (°C) MAIN (L + R) SIGNAL INPUT VOLTAGE Vin (mVrmS)
1999-05-26 13/16
TOSHIBA TA2104BN/BFN
MPX MPX
Sep, THD - fm CAPTURE RANGE & LOCK RANGE
80 A "Th 200
VCC = 3 V tt E
L+R=180mvrms D Ci 100
P = 20 mVrms E
fi? 60 s?
S'. Sep a
. Q Lu
(1 '- o
J',' f? E
8 40 Ei 9
E 2 's 10
n: O n.
if, E E
m 20 < a'
19 's Vcc = 3 V
0 0 E 1
1 100 1k 10k 15 17 19 21 23
MODULATION FREQUENCY fm (Hz) FREE RUNNING FREQUENCY fvco (kHz)
MPX MPX
Sep, THD - fvco Sep, THD - Vcc
Vcc=3V iS' L+R=180mVrms 'ii"
L + R = 180 mvrms D P = 20 mVrms Ct
I m = 1kHz I
iii" P = 20 mVrms F- ar 1.2 r-
v fm = 1 kHz 5. v 8
g' E i) E
m Sep 9 Vt f?
a ‘9 0.8 ‘2
Q 0 8 a
I- 2 r- U
g a < E
< C) 'Q o
n. E I E
54, g s: 0.4 2
16 17 18 19 20 21 22 1 2 3 4 5 6 7 8
FREE RUNNING FREQUENCY fvco (kHz) SUPPLY VOLTAGE Vcc (v)
VL(ON), VL(OFF), fvco - Vcc
A7 19.2 Js.
"LL VCO
5.33 19.0 3
s'su t,
F VL ON u:
1: ( ) 18.8 D
1: VL(OFF) g]
b'', 18.6 g
g 18.4 tv,i,',:
0 2 4 6 8 10
SUPPLY VOLTAGE Vcc (V)
1999-05-26 14/16
TOSHIBA TA2104BN/BFN
OUTLINE DRAWING
SDIP24-P-300-1.78 Unit : mm
24 13 Ci,
f-lf-Ir-Ir-lf-Irrelevant"-? d
i)) ea
L..JL_JL.JL_JL.JL.JL.JL..JL~JL.JL.JL_J
h 22.5MAX "
22.0:02
cu., mi
4 l I F g tl.
x " cn
1.221TYP 1.0:0.1 H046i0.1
" V " ,. _ IEMSE
Weight : 1.2g (Typ.)
1999-05-26 15/16
TOSHIBA TA2104BN/BFN
OUTLINE DRAWING
SSOP24-P-300-0.65A Unit : mm
0 .325TYP
RflRRRiiRRRRRi] ,
N. co.
$1 Siil
'HHH' 'l:llililliiflr...,....,.........,,.,..,,..,,,.e,.,....,,
1 H 12
>l‘0.22i0.1 N, th13(iil
M 8.3MAX =
V. 7.8i0.2 =
sci)'; Q
“,1; "'
Weight : 0.14g (Typ.)
0,15 £3.05
I l 0.45i0.2
1999-05-26 16/16
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