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BA7609 Datasheet(PDF) 6 Page - Rohm |
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BA7609 Datasheet(HTML) 6 Page - Rohm |
6 / 7 page 6 Multimedia ICs BA7609 / BA7609F •Measurement conditions S1a S2a S3a S1b S2b S3b S1c S2c S3c ICC 222222222 IN2a IN1b IN2b IN1c IN2c Vom Vom Vom Vom Vom Vom 3 2 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 3 f = 1kHz THD = 0.5% IN1a IN2a IN1b IN2b IN1c IN2c GV GV GV GV GV GV 3 2 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 3 IN1a IN2a IN1b IN2b IN1c IN2c CT CT CT CT CT CT 2 3 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 2 3 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 2 3 2 2 2 2 3 2 2 2 2 2 2 3 f = 4.43MHz V = 1VP-P IN1a IN2a IN1b IN2b IN1c IN2c Gf Gf Gf Gf Gf Gf 3 2 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 3 V = 1VP-P CTLa CTLb CTLc VTH VTH VTH 3 2 2 2 2 2 1 2 2 2 3 2 2 2 2 2 1 2 2 2 3 2 2 2 2 2 1 IN1a IN2a IN1b IN2b ZIN ZIN ZIN ZIN 1 2 2 2 2 1 2 2 2 3 2 2 2 2 1 2 2 2 2 1 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 IN1a IN2a IN1b IN2b THD THD THD THD 3 2 2 2 2 3 2 2 2 3 2 2 2 2 3 2 2 2 2 3 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 f = 1MHz V = 1VP-P IN1a f = 10MHz f = 1MHz Note 1 Note 2 Note 3 Note 5 Note 4 Note 6 Note 7 Parameter Switch settings Symbol Measurement method Current dissipation Ammeter Maximum output level Voltage gain Interchannel crosstalk Frequency characteristic CTL pin switching level Input impedance Total-harmonic distortion Note 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 is the maximum output level Vom (VP-P). Note 2: Input a 1VP-P, 1MHz sine wave. The voltage gain is given by GV = 20 log (VOUT / VIN). Note 3: Input a 1VP-P, 4.43MHz sine wave. The interchannel crosstalk is given by CT = 20 log (VOUT / VIN). Note 4: Input 1VP-P, 1MHz and 10MHz sine waves. The frequency characteristic is given by Gf = 20 log (VOUT(f = 10MHz) / VOUT (f = 1MHz)). Note 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. Note 6: Measure the input pin voltage VIN50 when a current of DC50 µA is flowing into the input pin. Measure the input pin open-circuit voltage. The input impedance is given by Z = (VIN50 - VIN0) / 50 × 10-6[Ω]. Note 7: Input a 1VP-P, 1kHz sine wave and measure the total-harmonic distortion of the output using a total-harmonic distortion meter. |
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