HA12237F Datasheet, PDF (27/33 Pages) Renesas Technology Corp – Audio Signal Processor for Cassette Deck

HA12237F
REC-EQ Total Harmonic Distortion vs. Input Level (2)
100
RECin(before R5<Lch> or R13<Rch>) = 25.5 mVrms = 0 dB→RECOUT
V_CC = 12 V
High-speed
315Hz
10
2kHz
10kHz
20kHz
1
0.1
0.01
–25 –20 –15 –10 –5
0
5
Input Level Vin (dB)
10 15 20
REC-EQ Signal to Noise Ratio vs. Supply Voltage
70
High-speed
65
60
Norm-speed
55
50
45 _{A-WTG filter}
f = 1kHz
Vin = 25.5 mVrms = 0 dB
40
4
6
8
10 12 14 16 18
Supply Voltage (V)
Rev.1.00 Jun 15, 2005 page 27 of 32