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BA7182 Datasheet(PDF) 4 Page - Rohm |
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BA7182 Datasheet(HTML) 4 Page - Rohm |
4 / 9 page 4 Video ICs BA7182AS (unless otherwise noted, Ta = 25°C, VCC = 5.0V, f = 4.0MHz and IOAR = 36mAP-P) Parameter Symbol Min. Typ. Max. Unit Conditions 〈Recording system〉 (Pin 15: L) Quiescent current Recording AGC level AGC control sensitivity AGC frequency characteristic 2nd harmonic distortion 3rd harmonic distortion Cross modulation distortion Maximum output level Recording current load characteristic Mute attenuation ratio Frequency characteristic AGC mode holding voltage AGC mode holding voltage PB mode holding voltage EE mode holding voltage REC mode holding voltage ∗ Note: dBc: dB below carrier (used to express relative level from carrier reference for convenience sake) No signal Pin 16 input = 400mVP-P, pin 8 output measurement Pin 8 output level difference for f = 4.0MHz, pin 16 input = 225mVP-P to 800mVP-P. Pin 8 output level difference for f = 8.0 / 1.0MHz, pin 16 input = 400mVP-P Pin 16 input = 400mVP-P, 8.0MHz spurious. Pin 16 input = 400mVP-P, 12.0MHz spurious, guaranteed design value. 4.0MHz ± 630kHz spurious, guaranteed design value. When pin 8 output 2nd harmonic distortion is – 30dB Pin 8 output level difference for load L: 8.2 ~ 12 µH Pin 8 output level difference for pin 15: M / H. Pin 8 output level difference for f = 8.0 / 1.0MHz, AGC OFF Pin 11 DC voltage to maintain recording AGC operation Pin 11 DC voltage to maintain recording AGC stopped Pin 15 DC voltage for PB mode Pin 15 DC voltage for REC MUTE mode Pin 15 DC voltage for REC mode Measurement circuit 72 108 mA Fig.2 36 42 mAP-P Fig.2 0.15 2 dB Fig.2 0 2 dB Fig.2 – 41 – 35 dBc Fig.2 – 50 – 40 dBc Fig.2 – 43 – 38 dBc Fig.2 50 — mAP-P Fig.2 – 0.35 — dB Fig.2 – 44 – 38 dBc Fig.2 – 7.8 – 10.3 dB Fig.2 — VCC V Fig.2 — 1.2 V Fig.2 — VCC V Fig.2 — 2.8 V Fig.2 — 30 — – 2 — — — 42 – 2 — – 5.3 2.7 0 3.8 2.2 0 — 1.2 V Fig.2 IOAR ∆IOAR ∆IOAF 2HDR 3HDR CMDR IOMR ∆IORL MUR ∆IOEQ VTH11H VTH11L VTH15H VTH15M VTH15L Iq (R) |
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