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BA7612F Datasheet(PDF) 4 Page - Rohm |
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BA7612F Datasheet(HTML) 4 Page - Rohm |
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4 / 5 page  4 Multimedia ICs BA7612N / BA7612F •Measurement conditions SW1 SW2 SW3 SW4 SW5 ICC 22222 IN1 IN2 IN3 Vom Vom Vom 1 2 2 2 1 2 2 2 1 3 3 2 3 2 3 IN1 IN2 IN3 GV GV GV 1 2 2 2 1 2 2 2 1 3 3 2 3 2 3 IN1 →IN2 IN1 →IN3 IN1 →MUTE IN2 →IN3 IN2 →MUTE IN3 →MUTE CT CT CT CT CT CT 1 1 1 2 2 2 2 2 2 1 1 2 2 2 2 2 2 1 3 2 2 2 2 2 2 3 2 3 2 2 IN1 IN2 IN3 Gf Gf Gf 1 2 2 2 1 2 2 2 1 3 3 2 3 2 3 CTLa CTLb VTH VTH 2 2 2 1 1 2 1 3 3 1 f = 1kHz THD = 0.5% f = 1MHz, V = 1VP-P f = 4.43MHz, V = 1VP-P V = 1VP-P f = 10MHz / f = 1MHz, ∗1 ∗2 ∗3 ∗4 ∗5 Parameter Symbol Switch settings Measurement method Current dissipation Ammeter Maximum output level Voltage gain Interchannel crosstalk Frequency characteristic CTL pin switching level ∗1: Connect a distortion meter to the output, and input a f = 1kHz sine wave. Adjust the input level until the output distortion is 0.5%. This output voltage at this time multiplied by 2 is the maximum output level Vom (VP-P). ∗2: Input a 1VP-P, 1MHz sine wave. The voltage gain is given by GV = 20 log (VOUT / VIN) + 6. ∗3: Input a 1VP-P, 4.43MHz sine wave. The interchannel crosstalk is given by CT = 20 log (VOUT / VIN). ∗4: Input 1VP-P, 1MHz and 10MHz sine waves. The frequency characteristic is given by Gf = 20 log (VOUT (f = 10MHz) / VOUT (f = 1MHz)). ∗5: Input a 1VP-P, 1MHz sine wave. Reduce the CTL pin voltage from VCC. The CTL pin switching level (VTH) is the CTL pin voltage at which the VOUT level drops below 20mVP-P. •Electrical characteristic curves 123456 VCC = 9V VCC = 5V 6 5 4 3 2 1 0 f = 1kHz VCC = 12V INPUT VOLTAGE: VIN (V) Fig. 2 VIN vs. VOUT caracteristics (f = 1kHz) 8 6 4 2 0 – 2 – 4 – 6 – 8 1M 10M 100M 100k FREQUENCY: (Hz) VCC = 5V VIN = 1VP-P Fig. 3 Frequency characteristics 1M 10M 100M 0 – 20 – 40 – 60 – 80 100k FREQUENCY: (Hz) VCC = 5V VIN = 1VP-P Fig. 4 Interchannel crosstalk |
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