M61518FP Datasheet, PDF (12/16 Pages) Renesas Technology Corp – Audio Signal Processor with Rec/Play Back Amplifier

M61518FP
Rec Amp Measurement Circuit Figure
to vol
Rec mute SW
+
–
7
35
36
470 p _{2.2 k}
10 µ
1 kHz
10 k
15 k
1.8 k _{2.7 k}
680
4700 p
0.01 µ
Audio Analyzer
Output noise voltage
• Limits
Typ: 35 µVrms (JIS-A)
Max:70 µVrms (JIS-A)
• Measurement method
Measure output noise voltage of REC1O (pin36) when VOLIN1 (pin7) is GND.
Maximum output voltage
• Limits
Min: 2.2 Vrms (THD = 1%)
Typ: 2.4 Vrms (THD = 1%)
• Measurement method
Input signal (1 kHz) to VOLIN1 (pin7) and measure output gain of REC1O (pin36) when output THD is 1%.
REJ03F0205-0201 Rev.2.01 Mar 30, 2008
Page 12 of 15