HA12209F Datasheet, PDF (41/49 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

EQ Signal to Noise Ratio vs. Supply Voltage
65
HA12209F
60
55
N-TYPE I
N-TYPE II
H-TYPE I
H-TYPE II
A-WTG filter
N : Normal speed
H : High speed
50
8
10
12
14
16
Supply Voltage (V)
EQ Total Harmonic Distortion vs. Supply Voltage (1)
10
315Hz (30kHz LPF)
1kHz (30kHz LPF + 400Hz HPF)
5kHz (30kHz LPF + 400Hz HPF)
10kHz (30kHz LPF + 400Hz HPF)
EQin → EQOUT, Vin = –26dBs
Normal speed, TYPE I
1.0
0.1
8
10
12
14
16
Supply Voltage (V)
Rev.2, Jun. 1999, page 41 of 49