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BA7660FS Datasheet(PDF) 5 Page - Rohm |
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BA7660FS Datasheet(HTML) 5 Page - Rohm |
5 / 6 page 5 Multimedia ICs BA7660FS Note 1: Measure the circuit current when no signal is present. Note 2: Apply a sine wave of f = 1kHz to the input, and adjust the input level so that the output distortion is 1%. At this time, set the out- put voltage to the maximum output level of VOM [VP-P]. Note 3: Measure the output VO [VP-P] with a sine wave of f = 4.43MHz, 1VP-P applied to the input. Voltage gain GV is: GV = 20 Log (VO / VIN) [dB] Note 4: Measure the outputs VO7 and VO1 [VP-P] each with sine waves of f = 7MHz, 1VP-P and f = 1MHz, 1VP-P applied to the input. Voltage frequency GF is: GF = 20 Log (VO7 / VO1) [dB] Note 5: Measure the output VO [VP-P] with a sine wave of f = 4.43MHz, 1VP-P applied to the input. Interchannel crosstalk CT is: CT = 20 Log (VO / VIN) [dB] Note 6: Measure the output VO [VP-P] with a sine wave of f = 4.43MHz, 1VP-P applied to the input. The muting attenuation MT is: MT = 20 ∗ Log (VO / VIN) [dB] •Measurement condition settings table Item Symbol Measurement method Switch conditions Circuit current Maximum output level Voltage gain Frequency characteristics Crosstalk between channels Muting attenuation ICC VOM1 VOM2 VOM3 GV1 GV2 GV3 GF1 GF2 GF3 CT1 CT2 CT3 CT4 CT5 CT6 MT1 MT2 MT3 OUTA OUTB OUTC OUTA OUTB OUTC OUTA OUTB OUTC OUTA →OUTB OUTA →OUTC OUTB →OUTA OUTB →OUTC OUTC →OUTA OUTC →OUTB OUTA OUTB OUTC Note 1 Note 2 Note 3 Note 4 Note 5 Note 6 SW1 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 1 1 1 SW2 1 2 1 1 2 1 1 2 1 1 2 2 1 1 1 1 2 1 1 SW4 1 1 2 1 1 2 1 1 2 1 1 1 2 2 1 1 1 2 1 SW7 1 1 1 2 1 1 2 1 1 2 1 1 1 1 2 2 1 1 2 SW16 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ∗ The muting switching level is substituted by carrying out the above measurement at High = 3.3V, Low = 1.2V. |
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