HA12203NT Datasheet, PDF (85/97 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12203NT/HA12204NT
HA12204NT
REC Mute Attenuation vs. Frequency
–40
V_S = ±7.0 V
Norm speed Norm tape
–60
Vin = +12 dB (0 dB = –26 dBs)
–80
–100
–120
–140
10
0
–20
–40
20
60 100 200
600 1 k 2 k
6 k 10 k 20 k
Frequency (Hz)
Ripple Rejection Ratio vs. Frequency (1)
V_CC
V_S = ±7.0 V
Ain / Bin
PBmode
PBOUT
60 k 100 k
–60
RECOUT
–80
–100
10 20
60 100 200
600 1 k 2 k
Frequency (Hz)
6 k 10 k 20 k
60 k 100 k
Rev.3, Jun. 1999, page 85 of 97