DBL1010 DAEWOO | Alldatasheet
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Technical content
DUAL PREAMPLIFIER 9siP Unit: mm (1) FEATURES © High voltage gain: Gyo =100dB (Typ.) at f=1kHz - © Excellent channel separation and high ripple ~~ nee . rejection: CHseP. = 70d8(Typ.) (Ft tT pal T? RR. =50dB(Typ.) ere seaevaernaiinw © Low noise : Vy = 1.02Vrms (Typ.) YT Y ti i bk | al Ag =2.2k 0, BW=15Hz~30kHz igh ee © Muting circuit built-in : 2V2 Vo20.9V - “oe © Wide operating supply voltage range : Vog = 7~18V. | --p-—-- +r Re (APPLICATIONS. ° © Car or home stereo use. * DBL 1010 is 8 SIP, Pin9(function : Muting) cut.
1 MAXIMUM RATINGS (Ta=25°C)
J MAXIMOM RATINGS (Ta=25°C) LL - . Characteristic Symbol |___ Rating i Unit Supply Voltage 1 Ve i 18 v ___ Supply Wottag nn na i ee Power Dissipation(*) 1 Po 700 mW i Operating Temperature | Tope —25~+75 | °C” i Storage Temperature i Tyg): HHSO FC | * Derated above Ta=25°C in the proportion of S6mW/7C SSS ee (1 ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Veg = 10V, f= 1KHz, Rg = 600M, Ry = 10K. Ta =25°C) Characteristic ' symbol est | Test Condition Min. Typ. | Max. Unit | Quiescent Current Ico | 1 | - - 55; 85 mA | TT Open Loop Voltage Gain. | Gyy Ss1~S« yp = 100, Y= ~«100:«Y|s —~*S B Maximum Output Voltage Vom | 2.~~«| THD =0.5%, NABEQ 2 28) — | vims “8 om | aon oo Equivalent Input lw | Ro=2aK0 4 25 | pwns “Noise Voltage +——_| | BPR =1SHz~30kHz Input Resistance fn | 2 «dL Vg=1 Vrms — 100 | — ka (cH a ee eee _ I | 1=100H2, Vi = 1Vems Ripple Reject RR 2 uN - so | — (oB i CB=NO connection: | Muting Ratio MR. 2 Vy=1V, OdB =1 Vrms 80 | — oB
2 BLOCK DIAGRAM
- Input (+) 2. Input (—) 3. Output 4, Power Supply 5. Ground 6. Output [OT wre 7. Input (—) 8. Input (+) a 9 Muting TMT ET Te O TEST CIRCUIT re) Yoo #21 00uF 47H 1@) 4 INPUT © 4 4 Ip S0pF. DBL 1010/2 G)—-#-— ouTPur (6) I O76 7) 5 RS 10K 1. Gyo: lee 2. Von Vaye Bay RA (7) (6) (7) (61 * 300k 12k 330k Coe t00uF 180 3 0.01 F F C, i 22uF eee
(APPLICATION 1. Decision of Feedback Resistance 36) p> ° Re Ra Va(32Ve0) —V; = Se ccl Ry Ry tRg= ic 2 Vo=1.4V cy tye = 102A ] In Case of Veg = 10V Ra + Ry =360(k 2) 2. £Q Amplifier © Main Circuit 70 OV. =13.2V 7] oc
1 OOeF
INPUT © yt 118) 4.7 ue DBL 1010/2 >~(3) + © OUTPUT Cw ® 6) 4 Tue ie RL © Feedback Circuits 1) RIAA EQ 2) NAB EQ ” 3) (6) (7) a) 2.2K 5pF 0.0022uF 12K 330K O14F] 310k 34k 180 600 O.01aF “ei00F 2a eS
- MUTING CIRCUIT APPLICATION ——— ~—h a SS . On (3 aie mam lew (ten) we ms Fan he pe ~e PT | [tt . L (2} O The Q40 is turned ON when the voltage above 0.9V feed into PIN 9, 41 and Q39 ‘turned ON’ consequently and the muting operating obtained. 4, NOTE © Care should be taken not to decrease a Closed loop gain less 20dB cause parasitic oscillation. O The maximum allowable input voltage is 300 mVrms not to increase the input voltage above this value for stable operation.
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