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| NTE1558 Integrated Circuit Switchless Rec/PlayBack Amp for VCR Features: D Contians all recording/playback amplifiers required for VTR audio signal system. D Capable of setting each mode of recording, playback an muting by changing only the control pin voltage D Very small pop noise occurring at the time of mode selection D Easy to adjust recording level, playback senisitivity D Improvement in reliability due to electronic switch Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700mV Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -10 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +125C Electrical Characteristics: (TA = +25C, VCC = 9V, f = 1kHz unless otherwise specified) Parameter Current Dissipation (Playback) Current Dissipation (Recording) Overall Gain for Playback Overall Gain for Recording Line Amp. Max. Output Voltage Recording Amp. Max. Output Voltage Mic. Amp. Closed Loop Gain Recording Amp. Closed Loop Gain Equalizier Amp. Open Loop Gain Recording Amp. Open Loop Gain Equalizer Amp. Input Impedance Mic. Amp. Input Impedance Equalizier Amp. Noise Voltage Referred to Input Mic. Amp. Noise Voltage Referred to Input Symbol ICCP ICCR VG(1) VG(2) VomL VomR VGCM VGCR VGOE VGOR ZINE ZINM VNINE VNINM PB In to Line Out, VO = 0dBm(P) MIC In to Line Out, VO = 0dBm(R) THD = 3%(P/R) THD = 3% VO = 0dBm(R) VO = 0dBm(R) VO = 0dBm(P) VO = 0dBm(R) (P) (R) Rg = 2.2k DIN AUDIO F-(P) Rg = 2.2k DIN AUDIO F-(R) Test Conditions Min 5 6 75 64 1.9 1.9 35.5 11.5 70 38 40 40 - - Typ 8.5 10 80 68 2.3 2.3 37.5 13 90 42 55 55 1 1 Max 13 15 85 72 - - 39.5 14.5 - - - - 18 2 Unit mA mA dB dB V V dB dB dB dB k k V V Electrical Characteristics (Cont'd): (TA = +25C, VCC = 9V, f = 1kHz unless otherwise specified) Parameter Leak Output for Playback Muting Leak Output for Recording Muting Output Voltage II for ALC Operation Output Voltage I for ALC Operation Line Output Distortion for ALC Operation Recording Amp. Distortion Line Amp. Outisde Noise Symbol VO(PM) VO(RM) VOAII VOAI THDA THDR VNOL Test Conditions PB in to Line Out, VIN = -40dBm(PM) PB in to Line Out, VIN = -40dBm(RM) Mic In to Line Out, VIN = -60dBm(R) Mic In to Line Out, VIN = -30dBm(R) VIN = -30dBm, BW = 500 to 5kHz(R) VO = 9dB (R) DIN Audio F. (M) Min - - 0.46 0.60 - - - Typ -40 -46 0.58 0.80 0.4 0.2 -68 Max -30 -36 0.73 1.10 1.0 0.6 -58 Unit dBm dBm V V % % dBV Note *. (P), (R), (PM), and (RM) represent the playback mode, recording mode, and muting mode respectively. Pin Connection Diagram Pre-Bypass 1 PB Input 2 PB NFB 3 Pre-Output 4 GND 5 Filter 6 Line NFB 7 Line Input 8 Line Input 9 18 MIC Input 17 ALC Output 16 ALC Input 15 VCC 14 P/R Cont Input 13 Rec Output 12 Rec Input 11 Rec NFB 10 Line Output 18 10 1 9 .870 (22.1) Max .250 (6.35) .150 (3.8) .100 (2.54) .800 (20.3) .125 (3.17) Min |
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