Datenblatt-Suchmaschine für elektronische Bauteile |
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BA7180AS Datenblatt(PDF) 4 Page - Rohm |
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BA7180AS Datenblatt(HTML) 4 Page - Rohm |
4 / 12 page 4 Video ICs BA7180AS / BA7180AFS Parameter Symbol Unit Min. Typ. Max. 〈Recording system〉 Quiescent current Recording AGC level AGC control sensitivity REC amplifier frequency characteristic 2nd harmonic distortion — 72 110 mA IOAR 27 30 33 ∆IOAR — 0.3 1.5 dB Pin 9 output level difference for pin 13 input = 62.5mVP-P ~ 250mVP-P ∆IOAF – 4 – 1.5 — dB 2HDR — – 45 – 38 dBc 3HDR — – 50 – 40 dBc CMDR — – 50 – 40 dBc 4.0MHz ± 630kHz spurious, guaranteed design value. Maximum output level 40 50 — mAP-P When pin 9 output 2nd harmonic distortion is -30dB ∆I ORL – 1.5 – 0.35 —dB Pin 9 output level difference for load L: 8.2 ~ 12 µH, guaranteed design value. MUR — – 45 – 38 dBc Pin 9 output level difference for pin 11: M / H. AGC mode holding voltage AGC mode holding voltage VTH15H 2.7 — VCC V Pin 17 DC voltage to maintain recording AGC operation Pin 17 DC voltage to maintain recording AGC stopped VTH15L 0 — 1.2 V mAP-P IOMR No signal Pin 13 input = 125mVP-P, pin 9 output measurement Iq (R) 3rd harmonic distortion Cross modulation distortion Recording current load characteristic Mute attenuation ratio Conditions (BA7180AS) Fig.2 Fig.2 Fig.2 Fig.2 Fig.2 Fig.2 Fig.2 Fig.2 Fig.2 Fig.2 Fig.2 Fig.2 Pin 13 input = 125mVP-P 12MHz spurious, guaranteed design value. Pin 9 output level difference for f = 8.0 / 1.0MHz, pin 12 input = 125mVP-P, guaranteed design value. Pin 13 input = 125mVP-P 8MHz spurious Note: dBc: dB below carrier (used to express relative level from carrier reference for convenience sake) Measurement circuit (Pin 11 in Fig. 2 mesurement circuit "L") •Reference values (unless otherwise noted, Ta = 25°C, VCC = 4.8V and f = 4.0MHz) Parameter Symbol Unit Typ. Max. ENVE output level ENVE output level VENV2' 1.8 2.3 2.8 V Pin 15 output measurement when pin 16 output = 100mVP-P. Pin 15 output measurement when pin 16 output = 400mVP-P. VENV3' 3.35 3.6 3.85 V Min. Conditions (BA7180AS) |
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