HA12215F Datasheet, PDF (54/69 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12215F
Ripple Rejection Ratio vs. Frequency (PASSmode) (1)
20
V_S = ±7.0V
V_CC in
PASSmode
EQOUT(NN)
0
−20
RECOUT
NR-ON
−40
PBOUT
RECOUT
NR-OFF
−60
−80
10
100
1k
10k
Frequency (Hz)
Ripple Rejection Ratio vs. Frequency (PASSmode) (2)
20
V_S = ±7.0V
V_EE in
PASSmode
EQOUT(NN)
0
RECOUT
−20
NR-ON
−40
PBOUT
RECOUT
−60
NR-OFF
100k
−80
10
100
1k
10k
Frequency (Hz)
100k
Rev.5, Oct. 1999, page 54 of 69