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BA7726AS データシート(PDF) 3 Page - Rohm |
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BA7726AS データシート(HTML) 3 Page - Rohm |
3 / 11 page 3 Multimedia ICs BA7726AS / BA7726AFS •Pin descriptions Note: Pin type EF: emitter follower, P-P: push-pull, B: base For pins marked with an asterisk ( ∗), refer to Input and output equivalent circuit. Pin No. Pin name Function Voltage Pin type 2, 1 LINE OUT L / R Line output (L, R) 4.5V EF (P - P) 3 L / VF / R CTRL Line output switching (LEFT / VOCAL FADER / RIGHT) 2.5V 4 MUTE CTRL Line mute control input — 6, 5 LINE IN L / R Line input (L, R) 4.5V 100k Ω 7 VF LPF1 Vocal fader mode LPF capacitor 4.5V 23.5k Ω 8 VF LPF2 Vocal fader mode LPF capacitor 4.5V 70.5k Ω 9 VF LPF3 Vocal fader mode LPF capacitor 4.5V EF (NPN), 15k Ω 10 GND Ground 0.0V — 11 ECHO LEVEL CTRL Microphone off (ground to 0.1Vcc) / echo level adjustment (0.2Vcc to Vcc) — 12 LOOP GAIN CTRL Loop attenuation ratio setting — 13 EXP DET Expand detection wave 4.5V 50k Ω 14 EXP DET CT Expand attack / recovery time setting Attack R = 5.6k Ω , recovery R = 85.6kΩ — 15 EXP BF IN BF input 4.5V B (NPN) 16 DLY BF OUT LPF BF output (EXP) 4.5V EF (NPN) 17 DLY BF NF IN LPF BF negative feedback input (EXP) 4.5V B (NPN) 18 CMP BF OUT LPF BF output (CMP) 4.5V EF (P - P) 19 CMP BF NF IN LPF BF negative feedback input (CMP) 4.5V B (NPN) 20 CMP OUT Compression output 4.5V EF (NPN) 21 CMP DET CT Compression attack / recover time setting Attack R = 5.6k Ω, recovery R = 85.6kΩ — 22 CMP DET Compression detection wave 4.5V 60k Ω 23 VCC VCC 9.0V — 24 BIAS Bias and capacitor for ripple rejection 4.5V 23.5k Ω 25 MIC AMP NF Microphone amplifier negative feedback 4.5V 2k Ω 26 MIC AMP IN Microphone amplifier input 4.5V 100k Ω 27 ALC DET ALC attack / recovery time setting — 220 Ω 28 ALC DET LEVEL ALC level setting — B (PNP) 29 VO DET LEVEL Microphone amplifier input detection level setting — B (PNP) 30 VO DET Microphone amplifier input detection attack / recover time setting — 1k Ω 31 NO / VC CTRL Line output switching (NORMAL / VOCAL CUT) — 32 L / ST / R CTRL Line output switching (LEFT / STEREO / RIGHT) 2.5V — — All figures are designed values based on the measurement circuit in Fig. 1 (where Vcc = 9.0V), and are not guaranteed standards. ∗ ∗ ∗ ∗ ∗ ∗ |
同様の部品番号 - BA7726AS |
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同様の説明 - BA7726AS |
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