HA12215F Datasheet, PDF (53/69 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

Ripple Rejection Ratio vs. Frequency (PBmode) (1)
20
V_S = ±7.0V
V_CC in
PBmode
0
EQOUT(NN)
HA12215F
−20
PBOUT
NR-OFF
−40
PBOUT
NR-ON
−60
RECOUT
−80
10
100
1k
10k
Frequency (Hz)
Ripple Rejection Ratio vs. Frequency (PBmode) (2)
20
V_S = ±7.0V
V_EE in
PBmode
EQOUT(NN)
0
PBOUT
NR-OFF
100k
−20
PBOUT
NR-ON
−40
−60
RECOUT
−80
10
100
1k
10k
Frequency (Hz)
100k
Rev.5, Oct. 1999, page 53 of 69