HA12215F Datasheet, PDF (23/69 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

40
V_S = ±7.0V
AIN
BIN
→ RECOUT
30
Input Amp. Gain vs. Frequency (1)
20
10
HA12215F
NR-ON
NR-OFF
0
−10
10
100
1k
10k
100k
1M
Frequency (Hz)
40
V_S = ±7.0V
AIN
BIN
→ PBOUT
30
Input Amp. Gain vs. Frequency (2)
PASSmode
20
PBmode
10
0
−10
10
100
1k
10k
100k
1M
Frequency (Hz)
Rev.5, Oct. 1999, page 23 of 69