Continued from preceding page.
No.
Parameter
7
Audio channel bandwidth (Fa)
LA7958
Explanations
P : Pins 1, 2, 3, 4, 5, 6, 21, 22
Q : Pins 17,18
VIN = 500mVrms
A frequency which becomes -3dB is
measured.
Test circuit
8
Audio channel THD (THDa)
9
Audio channel S/N (SNa)
P : Pins 1, 2, 3, 4, 5, 6, 21, 22
Q : Pins 17, 18
It's the same Audio Signal Voltage Gain measurement
circuit.
10
Audio channel crosstalk (CTa)
P : Pins 2, 3, 4, 5, 6, 21, 22
Q : Pins 17,18
11
Audio channel PSSR (PSa)
Pin 8, f = 50Hz
VIN = 1Vp-p
P : Pins 1, 2, 3, 4,5, 6, 21, 22
Q : Pins 17, 18
No.A0260-6/7