HA12179F Datasheet, PDF (23/40 Pages) Hitachi Semiconductor – Audio Signal Processer for Car Deck and Cassette Deck(Dolby B-type NR with PB Amp)

Signal to Noise Ratio vs. Supply
Voltage Characteristics
90
CCIR/ARM filter
PB NR-ON
REC NR-OFF
80
PB NR-OFF
HA12179F
REC NR-ON
70
0 dB = 300mVrms (RECmode, RECOUT)
0 dB = 387.5mVrms (PBmode, LINEOUT)
60
6
8 10 12 14 16
Supply Voltage (V)
Total Harmonic Distortion vs.
Supply Voltage Characteristics (1)
1.0
TAI RECOUT
REC mode NR-ON
0.5 V_IN = 0 dB
f=100 Hz
f=1 kHz
f=10 kHz
0.2
0.1
0.05
0.02
0.01
6
8
10 12 14 16
Supply Voltage V_CC (V)
Rev.1, Apr. 1994, page 23 of 40