HA12203NT Datasheet, PDF (54/97 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12203NT/HA12204NT
HA12203NT
Ripple Rejection Ratio vs. Frequency (9)
20
V_S = ±7.0 V V_CCin
0
RECmode
–20
EQOUT NR-OFF
N-N
RECOUT NR-ON
–40
–60
RECOUT NR-OFF
–80
10
20
0
–20
30 60 100
300 600 1 k
3 k 6 k 10 k
Frequency (Hz)
Ripple Rejection Ratio vs. Frequency (10)
30 k 60 k 100 k
V_S = ±7.0 V V_EEin
RECmode
RECOUT
NR-ON
EQOUT
NN
–40
RECOUT
NR-OFF
–60
–80
10
30 60 100
300 600 1 k
3 k 6 k 10 k
Frequency (Hz)
30 k 60 k 100 k
Rev.3, Jun. 1999, page 54 of 97