TOSHIBA TA2068N TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA2068N SYSTEM PREAMPLIFIER FOR SINGLE CASSETTE DECK F e The TA2068N is system preamplifier IC for single deck radio-cassette tape player. This IC have built-in function for single cassette deck and mixing amp for KARAOKE and Function switch for source selector. EATURES Dual Channel Built-in EQ Amp, REC Amp, Monitor Amp, Mic (Mixing) Amp SDIP24-P-300-1.78 Weight : 1.2g (Typ.) Mic Amp is suitable for both inner mic and mixing mic. Built-in source selector switch ; RADIO-IN/TAPE-IN / AUX-IN 6-operation mode are available for INNER MIC set and MIXING MIC set. <Inner MIC set> <Mixing MIC set> 1) TAPE PLAY-BACK 1) TAPE PLAY-BACK with MIC MIXING 2) LINE-IN PLAY 2) LINE-IN PLAY with MIC MIXING 3) RADIO PLAY 3) RADIO PLAY with MIC MIXING 4) MIC RECORDING without MONITOR 4) MIC RECORDING with MONITOR 5) LINE-IN RECORDING AND PLAY 5) LINE-IN RECORDING AND PLAY with MIC MIXING 6) RADIO RECORDING AND PLAY 6) RADIO RECORDING AND PLAY with MIC MIXING Operating Supply Voltage Range : VCC (opr) = 4-0~9.0V (Ta = 25C) 96100 1EBA2 @ 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 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. @ The products described in this document are subject to foreign exchange and foreign trade control laws. @ The 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. @ The information contained herein is subject to change without notice. 1997-07-07 1/18TOSHIBA TA2068N BLOCK DIAGRAM LINE RADIO NAB IN1 1 Nt MONITOR AMP 1 PRE Vv cc OUTI MUTE 7 TAPE LINE NAB AMP1 ON REC AMP 1 REC OuT1 46 + MIC IN TAPE 26 BUF. AMP A1 MUTE MIC AMP1 BUF. AMP B1 19 Mic ALC ON REF. AMP, NAB AMP2 + 46 26 9 BUF. AMP A2 REC OUT 2 TAPE MONITOR AMP 2 LINE BUF. AMP B2 OUT 2 REC PLAY MIC OFF EXT 9 4g a LINE RADIO NAB IN2 IN2 IND 1997-07-07 2/18TOSHIBA TA2068N TERMINAL EXPLANATION TERMINAL SYMBOL FUNCTION EQUIVALENT CIRCUIT + + aa 1 ALC Automatic level Control , time constant terminal ALC Tr Ree out hm ALC time constant discharge GND Vee D 2/11 NAB OUT Playback Amp output Sig en 4 GND , Vcc 3/10 NAB NF Playback Amp NF ) | Gin) to Buffer Amplifier GND Vec | o . 24kQ | 1500 4/9 |REC OUT Recording Amp output " Ke sie_(419) o GND 1997-07-07 3/18TOSHIBA TA2068N TERMINAL SYMBOL No. FUNCTION EQUIVALENT CIRCUIT Vcc 5/8 NAB IN Playback Amp input HAS G0) to Playback Amplifier GND Vee 6 Vref Reference voltage t yo x xy @ 7 GND GND terminal _ Vee -~ D 12 MIC NF MIC Amp NF N 10kQ_ ic 13, WA OT Aon y L@ GND @ Vee e oF a 16/22 RADIO IN Radio input terminal Se Se GND 1997-07-07 4/18TOSHIBA TA2068N TERMINAL SYMBOL FUNCTION EQUIVALENT CIRCUIT q Dd Vcc LA 18/20 |PRE OUT MONITOR Amp output GND vec 13 MIc IN MIC Amp input Ona MIC OUT Vec 14/24 | LINE IN Line input GND 5 TAPE /TAPE sw | TAPE/EXTERNAL INPUT Vee function SW @ 17 LINE/RADIO sw [LINE/RADIO INPUT 15,17, 21 ag JO LOSIC Circuit function SW Oa-~-* Se 3 REC/ PLAY SW PLAYBACK / RECORDING 3 function SW GND Vee INTERNAL MIC/MIC OFF to LOGIC Circuit 23 nee OFF/ {EXTERNAL MIC function SW i: Ig GND 1997-07-07 5/18(*) W.0 = WITHOUT TOSHIBA TA2068N SWITCH MODE EXPLANATION SWITCH MODE COMBINATION INPUT OUTPUT FUNCTION INPUT | RESISTANCE sW4 SW3 SW2 SW, Rg AMPLIFIER (*) W.O Vino, RR. L/O O/H H 0 RADIO MONITOR Play- Vnol1 0 O/H H 0 RADIO MONITOR back Vno12 L O7H H 0 = RADIO/ MIC | MONITOR R.R.11 0 O/H H Oo _ RADIO MONITOR RADIO R.R.12 L O/H H 0 _ RADIO / MIC | MONITOR Mode (*) W.O Vino, R.R. L/O H H Oo RADIO _ REC Vno21 0 H H 0 RADIO REC REC | Vno22 L H H 0 RADIO / MIC REC R.R.21 0 H H O RADIO REC R.R.22 L H H Oo _ RADIO / MIC REC (*) W.O Vino, R.R. L/O O/H 0 0 LINE _ MONITOR Play- Vno31 Oo O/H Oo Oo _ LINE MONITOR back Vno032 L O/H 0 0 LINE/MIC |MONITOR R.R.31 0 07H 0 OQ = LINE MONITOR LINE R.R.32 L O/H Oo Oo LINE/MIC |MONITOR Mode (*) W.O Vino, R.R. L/O H Oo Oo LINE REC Vno41 Oo H Oo Oo _ LINE REC REC | Vino? L H 0 0 LINE / MIC REC R.R.41 0 H 0 0 LINE REC R.R.42 L H O OQ LINE/ MIC REC (*) W.O Vino, R.R. L/O 0 O/H H TAPE MONITOR Vno51 0 0 O/H H TAPE MONITOR TAPE Mode Vno52 L 0 O/H H _ TAPE/MIC |MONITOR R.R.51 0 0 O7H H TAPE MONITOR R.R.52 L 0 O/H H TAPE/ MIC | MONITOR (*) W.O Vig, RR. L H O/H H MIC MONITOR Play- | Vno6 L H O/H H MIC MONITOR back | R.R.61 0 H O/H H MIC MONITOR MIC R.R.62 L H O/H H _ MIC MONITOR Mode (*) W.0 Vig, RR. L/O H O7H H MIC = REC REC | Vno7 L/O H O/H H MIC REC R.R.7 L/O H O/H H MIC REC : GND O : OPEN H : Vcc 1997-07-07 6/18TA2068N TOSHIBA -N890ZVL NO NO NO NO NO Jin NO NO dN YOLINOW 440 440 NO NO 440 440 NO NO ADYVHDSIC DIV NO NO NO NO NO NO NO NO Lindwo aw] 4 wi NO NO 440 ddO NO No 440 440 diNV 234 2 NO NO NO NO NO NO NO NO a dvv usuina| = NO NO NO NO 3.1NW NO LNW JinW dINV DIA S 3dVL adv L 3d VL advL Advi adVL qIdVL adv MS 3dVL/ ad VL & oiava] ann forave] ann joiaval awn jorava] ann [oiavy] ann foiave| ann [oiavy] ann olave) ann ms olava/ann | 8 NO NO 440 440 NO NO 450 440 Vv di wasdng dd0 ddO NO NO 440 440 NO NO dINV aVN Oo Oo O O O Ino Day oO Oo Oo oO Oo O oO oO Oo oO oO 1NO YOLINOW | _ DIN | JIN DUN | SIN DIN os + + DI + + + olavd| anit DIN olavd| 3Ni adv 3DYNOS/ LNANI "9 olavy| 3nd olavul 3Nq ad olava =H N3d0 | 23A | N3d0| IDA | N3dO] FDA | N3dO] FDA | N3dO] IPA | N3IdO}] FIA | N3dO] 292A | N3dO} IDA aN: oO (41) FMS | inazias Advi = H |a5unos NadO 3A N3dO 3A N3dO IDA N3idO IDA adVL: 0 2 (SL) ZAAS 3 33u:H $ JOOW DNIGHOD34 JGOW OVE AVId 300W SNIGYOD3u JOCOW 3DV8 AVId Avid | 3 AVId > O 2 2A N3d0 I3A NaidO 1334 (LZ) CANS DHA LNI? H JCOW DIN WNYSLX JCOW SIN TVWNYSLNI ; JGOW ddO DIN: O GND SIA, DIA DIA LXa : 5 (Z/ 1} HDLIMS TWNY3LXd Ad JGOW NOLLWYIdO 1997-07-07 7/18TOSHIBA TA2068N OPERATION MODE BY EXTERNAL SWITCH (2/2) mic G : EXT MIC OPEN MODE + MIC OFF MIC MODE H : INT MIC = | recy | 3 21) OPEN vec 2 PLAY O : PLAY PLAY BACK MODE RECORDING MODE 5 H : REC 2 SW? (15) = O : TAPE Vec OPEN Vec OPEN SOURCE] H : TAPE SELECT SW1 (17) : LINE Vcc | OPEN | Vcc | OPEN | Vcc | OPEN} Vcc | OPEN H : RADIO 6. INPUT / SOURCE TAPE LINE |RADIO MIC LINE |RADIO a MONITOR OUT O QO] oO oO}; oO REC OUT O O NAB AMP ON ON OFF OFF BUFFER AMP A OFF OFF ON ON 5 LINE/ RADIO SW LINE |RADIO| LINE |RADIO] LINE [RADIO LINE [RADIO < TAPE/ TAPE SW TAPE TAPE TAPE TAPE a MIC AMP MUTE MUTE MUTE MUTE q@ | BUFFER AMP B ON ON ON ON = | REC AMP OFF OFF ON ON 5 ALC CIRCUIT ON ON ON ON ~ | ALC DISCHARGE ON ON OFF OFF MONITOR AMP ON ON ON ON 1997-07-07 8/18TOSHIBA TA2068N LEVEL DIAGRAM (1) TAPE IN => MONITOR OUT (52dB at 315Hz) TAPE IN > NAB AMP = BUF. AMP = MONI. AMP > MONI. OUT Gy 45dB (315Hz) OdB 7aB LEVEL : 0.154mVrms 0.027Vrms 0.027Vrms 0.062Vrms (- 74dBm) (- 29dBm) (- 29dBm) (- 22dBm) (2) RADIO IN => MONITOR OUT (-2dB) RADIO IN > ATT. = BUF. AMP = => MONI. AMP > MONI. OUT Gy : -9dB OdB 7dB LEVEL : 0.078Vrms 0.027Vrms 0.027Vrms 0.062Vrms (-20dBm) (-29dBm) (- 29dBm) (-22dBm) (3) RADIO IN = REC OUT (17dB) RADIO IN > ATT. > ALC > REC AMP > REC OUT Gy : -9dB 26dcB LEVEL : 0.069Vrms 0.025Vrms 0.025Vims 0.489Vims (-21dBm) (- 30dBm) (- 30dBm) (- 4dBm) (4) LINE IN = MONITOR OUT (7dB) LINE IN > BUF. AMP => MONI. AMP > MONI. OUT Gy OdB 70B LEVEL : 0.027Vrms 0.027V rms 0.062Vrms (-29dBm) (-29dBm) (- 22dBm) (5) LINE IN = REC OUT (26dB) LINE IN => BUF. AMP => ALC > REC AMP => REC OUT Gy OdB 260B LEVEL : 0.025Vrms 0.025Vrms 0.025Vrms 0.489Vrms (- 30dBm) (- 30dBm) (- 30dBm) (-4dBm) (6) MIC IN = MONITOR OUT (26.5dB) MIC IN => MIC AMP => BUF. AMP = MONI.AMP = MONI. OUT Gy 19.5dB OdB 7dB LEVEL : 2.913mMVrms 0.027Vrms 0.027Vrms 0.062Vrms (-48.5dBm) (-29dBm) (-29dBm) (22dBm) (7) MIC IN = REC OUT (45.5dB) MIC IN => MICAMP = BUF.AMP = ALC => REC AMP = REC OUT Gy ; 19.5dB OdB 26dB LEVEL : 2.596MVrms 0.025Vrms 0.025Vrms 0.025Vrms 0.489V rms (-49.5dBm ) (- 30dBm) (- 30dBm) (- 30dBm) (- 4dBm) 1997-07-07 9/18TOSHIBA TA2068N MAXIMUM RATING (Ta =25C) CHARACTERISTIC SYMBOL RATING UNIT Supply Voltage Vcc 9 Vv Power Dissipation PD (Note) 1200 mW Operating Temperature Topr -25~75 C Storage Temperature Tstg -55~155 C (Note) : Derated above Ta=25C in the proportion of 9.6mW/C. ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Vcc =5V, f=1kHz, Ta=25C, BW = 400Hz~30kHz) SYM- TEST CHARACTERISTIC CIR- TEST CONDITION MIN. | TYP. | MAX.) UNIT BOL |curt . lcco1 | |REC MODE 6.0 | 10.0] 16.0 Quiescent Current iccoz | [PLAY MODE 401 75|130| Reference Voltage VreF | 2.1] V _|TAPE/TAPE SW [VTH1a | [TAPE MODE (OPEN) o| | 02 > (SW 1: Pin 15) VTH1iB | | TAPE MODE 1.3 | Vcc |RADIO/LINE SW|VTH2q | | RADIO MODE (OPEN) o| | 02 & |(SW2: Pin17) |VtH2g | [LINE MODE 13 | | Vec & = |REC/PLAY Sw [VTH3A | [PLAY MODE (OPEN) o| | o2] v > (SW3 : Pin21) |VTH3B | | REC MODE 1.3 | | Vee |e sw VtHaa | [EXT MIC MODE o| | 02 5 (Wa: Pin 23) [YTH4B | [MIC OFF MODE (OPEN) [OPEN] VtHac | [INT MIC MODE 1.6 | | Vref Voltage Gain Gy |Vout= 10dBV -4 -2 O| dB Maximum _ =19 _ Output Voltage Vom1 THD=1% 1.0 1.2 Vims vu Output Noise MIC OFF MODE, Rg = 6200 oO x _ r iXg _ _ _ =| 8 | Voltage Vno1 DIN AUDIO 98) 90| dBv OQ] # |Total Harmonic _ & _ =_ _ _ 0 q & | Distortion THD1 Vout 10dBV 0.2 % Cross Talk CT... | [Vout = - 10dBV | -60/ | aB Ripple Rejection MIC OFF MODE, Vrip = 20dBV, Ratio R-R-T | |=100Hz, BW =~30kHz 7 52} | oB 1997-07-07 10/18TOSHIBA TA2068N sym. [TEST CHARACTERISTIC BOL. |CIR: TEST CONDITION MIN. | TYP. |MAX.} UNIT CUIT Voltage Gain Gy2 | | Vout= - 10dBV 15 17[ 19| dB Output Noise MIC OFF MODE, Rg = 6200, Voltage Yno2 | | pin AUDIO | 777) 68) dBv G Total Harmonic o _ in=- = _ _ 0 2] | |pistortion THD2 Vin = - 6dBV, ALC=ON 0.3 % Q a |Cross Talk C7.2. | |Vout= 10dBV | -57/ | aB < Ripple Rejection MIC OFF MODE, Vrip = 20dBV, Ratio RR2 | |e 100Hz, BW=~30kHz 40; | 4B ALC21 | | Vin = - 16dBV Dual channel | -4 -2 0 ALC Level ALC22 | | Vin =4dBV input a | -1{2| 78V Voltage Gain Gy3__ | [Vout = - 10dBV 5 7 9| dB Maximum = 19 Output Voltage Vom3 THD =1% 1.0 1.2 Vrms Output Noise MIC OFF MODE, Rg = 6200 av _ ag _ - - 8 |Voltage Vno3 DIN AUDIO 98) -90 | dBv % | Total Harmonic & _ =- _ _ 0 = | pistortion THD3 Vout = 10dBV 0.2 % Cross Talk c.17.3. | [Vout= - 10dBV [-6o0; | aB Y Ripple Rejection MIC OFF MODE, Vrip = 20dBV oG __ + Vrip , s Ratio R.R.3 f=100Hz, BW = ~30kHz 92 dB w Voltage Gain Gya | [Vout = 10dBV 24 | 26| 28| dB 7 Output Noise MIC OFF MODE, Rg = 6200, Voltage Yno4_ | | pin aupio 77) ~68 | dBv Total Harmonic | ting | |viq= -16dBV, ALC=ON | 03| | % vu | Distortion Lu a |Cross Talk C.1.4 | |Vout= - 10dBV [-56/ | dB Ripple Rejection MIC OFF MODE, Vrip = 20dBV, Ratio RRA | f=100Hz, BW = ~30kHz _ 37) | 4B ALC41 | | Vin = - 26dBV Dual channel -4 -2 0 ALC Level ALCA2 | | Vin = 6dBV input ay -1]) 2] 98 1997-07-07 11/18TOSHIBA TA2068N sym. [TEST CHARACTERISTIC YM JiR TEST CONDITION MIN. | TYP. | MAX.| UNIT CUIT open Loop Voltage | Gc | |Vout= - 10dBV | 97| | aB closed Loop Voltage | | |Vout= - 10dBV 41.5 | 43.5 | 45.5] dB w |Maximum Output a0 Output Noise MIC OFF MODE, Rg =6200, Vv _ | -73| -65| dev Voltage nos DIN AUDIO < Total Harmonic THDS | |Voyt= - 10dBV | o2] | % Distortion Cross Talk C15 | |Vout= 10dBV |-57{ |B Ripple Rejection MIC OFF MODE, Vrip = 20dBV, RK. _ _ _ B Ratio RRS f =100Hz, BW = ~30kHz 33 d Voltage Gain Gy6 |Vout= 10dBV 25.5 | 27.5 | 29.5 | dB Maximum Vv |THD=19 10] 12] |v Output Voltage | ome % rms ~~ 7 % [Output Noise EXT. MIC MODE, Rg =6202, 3 | =87} =79 | aBv 2 | Voltage Vno6 DIN AUDIO 8 i) : 2 IH a. ee one THD6 | |Vout= 10dBV |o2| | % Ripple Rejection INT. MIC MODE, Vrip= 200BV, 7 v Ratio RR6 | f=100Hz, BW = ~30kHz _ 52} | 4B 2 Voltage Gain. | Gz | |Vout= 10dBV 44.5 | 46.5|48.5| dB = Maximum =1%, ALC =OFF 1. 12] | V = Outout Voltage Vom7 THD = 1%, ALC =O 0 rms Output Noise INT. MIC/EXT. MIC MODE, Rg = 6200 |-70] -61| dBv Voltage Vno7 DIN AUDIO 70 gy | Total Harmonic | Ting | _ ly, = -36dBv, ALC=ON | o3| | % | Distortion Riople Rejection INT. MIC/EXT. MIC MODE, Vrip= ippre Rejection | 27 | |20dBV, f= 100Hz, BW =~30kHz |-a7] | aB Ratio ALC71 | |Vin = -46dBV Dual channel -4| -2 ) BV ALC Level ALC72 | |Vin= 26dBV input at -1} 214 1997-07-07 12/18TOSHIBA TA2068N DC VOLTAGE AT EACH TERMINAL (Vcc =5V, Vjn =0, Ta= 25C) TERMINAL 1 5 3 4 5 6 5 3 No. DC 1.0 (REC) 0 VOLTAGE 2.1 2.1 2.1 2.1 2.1 2.1 IV] 0.1 (PLAY) (GND) TERNAL 9 10 11 12 13 14 15 16 DC 0 VOLTAGE 21 21 21 21 21 24 (OPEN) 21 [V] TER NONAL 17 18 19 20 21 22 23 24 DC 0 5.0 0 0 VOLTAGE 2.1 2.1 2.1 2.1 VI S (OPEN) (Vcc) (OPEN) (OPEN) 1997-07-07 13/18TOSHIBA TA2068N TEST CIRCUIT MONITOR AMP 1 PRE NAB AMP1 te 4 3 BUF. AMP Al Se pur. AMP B1 MIC AMP1 naire 3 BUF. | + <0 _ ALC 2.2MQ, 1337 _ Sa DET ~[--(1 1kQ, 10kQ, , REC AMP 1 10pF G GQ | REC AMP 2 REC * azne REF. AMB. Zhaz our2 : NAB AMP2 oego ALC2 |_(9}+ L BUF. AMP A2 10kQ.~ 3. a7 on =e rape [| MONITOR AMP = a|! ) ; ON 2, ouT2 7 18+# <0 GND BUF. AMP B2 MUTE 10uFS 1 NAB IN2 RADIO SWy TAPES RADIO J+ x |+ In2 TAPE | LINE SW2 Vref (*) 23pin : For mic off mode, should be open. Dont add any external voltage. 1997-07-07 14/18TOSHIBA TA2068N Iccq, Vref - Vcc 20 T Iccq {mA) a an REFERENCE VOLTAGE Veep (mA) RADIO RECORDING LINE INPUT PLAYBACK WITH MIXING QUIESCENT CURRENT SUPPLY VOLTAGE Vcc (V) Vom - Vcc (RECORDING OUTPUT) f= 1kHz THD =1% REC MODE WITH MIXING (LINE, RADIO, MIC INPUT) MAXIMUM OUTPUT VOLTAGE Vom (Vrms) 3 4 5 6 7 8 9 10 SUPPLY VOLTAGE Vcc (V) THD - Vout (RECORDING OUTPUT) (%) Veco =5V f=1kHz RECORDING MODE (LINE, RADIO, MIC INPUT) TOTAL HARMONIC DISTORTION THD 0.03 0.1 0.3 1 3 OUTPUT VOLTAGE Vout (Vrms) (Vrms) MAXIMUM OUTPUT VOLTAGE Vom (%) (dB) RECORDING OUTPUT VOLTAGE Vout TOTAL HARMONIC DISTORTION THD TOTAL HARMONIC DISTORTION THD (dB) Vom - Vcc (MONITOR OUTPUT) f=1kHz THD =1% PLAYBACK MODE WITH MIXING (LINE, RADIO, MIC, TAPE INPUT) 2 3 4 5 6 7 8 9 10 SUPPLY VOLTAGE Vcc (V) THD - Vout (MONITOR OUTPUT) Vec=5V #STkHz PLAYBACK MODE 30 APE INPUT) 0.3 0.1 (LINE, RADIO, MIC INPUT) 0.03 0.03 0.1 0.3 1 3 OUTPUT VOLTAGE Vout (Vrms) Vout. THD - Vin (RECORDING OUTPUT) f=1kHz Vec=5V HPF = 400Hz LPF = 30KHz LINE RECORDING [~y MODE out ALC OFF ALC ON ALC OFF - 80 - 60 -40 -20 0 20 LINE INPUT VOLTAGE Vin (dBV) 1997-07-07 15/18TOSHIBA TA2068N Vout, THD - Vin (RECORDING OUTPUT) ~~. 20 ae f=1kHz 3z Vec=5 ALC OFF HPF = 400Hz 0} LPF = 30kHz ALC ON RADIO RECORDING MODE ALC OFF -20 -40 -60 RECORDING OUTPUT VOLTAGE Vout TOTAL HARMONIC DISTORTION THD -80 -80 - 60 -40 -20 0 20 RADIO SIGNAL INPUT VOLTAGE Vin (dBV) Gy - f (MONITOR OUTPUT) PLAYBACK AMP. Gyo Vcc =5V PLAYBACK AMP. Vout = 0.316V NPUT (-10d PLAYBACK MODE (LINE, RADIO, MIC, TAPE INPUT) MIC AMP. INPUT VOLTAGE GAIN Gy (dB) LINE INPUT RADIO INPUT 30 100 300 1k 3k 10k 30k50k FREQUENCY f (Hz) C.T. - f (RECORDING OUTPUT) Vec=5V Vout = 0.316Vims (- 10dBV) -20 PLAYBACK MODE WITH MIXING (LINE, RADIO, INPUT TAPE) - 40 LINE, RADIO INPUT - 60 TAPE INPUT CROSS TALK C.T. (dB) - 80 - 100 30 100 300 1k 3k 10k = 30k50k FREQUENCY f (Hz) (dB) (dB) RECORDING OUTPUT VOLTAGE = Voyt TOTAL HARMONIC DISTORTION THD VOLTAGE GAIN Gy (dB) CROSS TALK C.T. (dB) Vout, THD - Vin (RECORDING OUTPUT) 20 f= 1kHz Vcc =5V ALC OFF HPF = 400Hz ALC ON Q| LPF = 30kHz Vout RADIO RECORDING MODE -20 -40 -60 - 80 - 80 - 60 -40 -20 0 20 Mic AMP INPUT VOLTAGE Vin (dBV) Gy - f (RECORDING OUTPUT) Vec=5V Vout = 0.316Vrms(- 10dBV) (RECORDING MODE (LINE, RADIO, MIC AMP. INPUT MIC, INPUT) LINE INPUT RADIO INPUT 30 100 = =300 1k 3k 10k = 30k50k FREQUENCY f (Hz) C.T. - f (MONITOR OUTPUT) Voc =5V Vout = 9-315Vrms (- 10dBV) MIXING RECORDING (LINE, RADIO INPUT) LPF = 80kHz I N o I bb oO LINE INPUT l a Oo RADIO INPUT I Qe Q - 100 -120 30 100 300 1k 3k 10k 30k50k FREQUENCY f (Hz) 1997-07-07 16/18TOSHIBA TA2068N (dB) RIPPLE REJECTION RATIO RR. R.R. - fripple (MONITOR OUTPUT) PLAYBACK LINE PLAYBACK TAPE PLAYBACK RADIO Vec=5V Vripple = 9-1rms pp (- 20dBV) PLAYBACK MODE (INT / EXT) (LINE, RADIO, TAPE) 1k 3k 10k 30k50k RIPPLE FREQUENCY fripple (Hz) (dB) RIPPLE REJECTION RATIO RR. 30 R.R. - fripple (RECORDING OUTPUT) LINE RECORDING RADIO RECORDING Voc =5V Vripple = 9.1Vrms pp (- 20dBV) PLAYBACK MODE (INT / EXT) (LINE, RADIO, TAPE) 100 = =300 1k 3k 10k 30k50k RIPPLE FREQUENCY fripple (Hz) 1997-07-07 17/18TOSHIBA TA2068N OUTLINE DRAWING SDIP24-P-300-1.78 Unit : mm 24 13 Pa a a a a a ) LITITICICITCITCITI LCI CIOIT 1 12 6.440.2 22.5MAX 22.040.2 3.00.3 0.51MIN j | 3.540.2 1.00.1 | 0.4610.1 fS10.18 @ 1.221TYP 1.778 Weight : 1.2g (Typ.) 1997-07-07 18/18