HA12215F Datasheet, PDF (28/69 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12215F
Signal to Noise Ratio vs. Split Supply Voltage (3)
85
80
75
f = 1kHz, PBmode
70
AIN
BIN
→ RECOUT = 300mVrms = 0dB
AIN, NR-OFF
BIN, NR-OFF
AIN, NR-ON
BIN, NR-ON
CCIR/ARM filter
65
5
6
7
8
9
Split Supply Voltage (V)
Signal to Noise Ratio vs. Split Supply Voltage (4)
85
80
75
f = 1kHz, PASSmode
70
AIN
BIN
→ PBOUT = 580mVrms = 0dB
AIN, Lch
BIN, Lch
AIN, Rch
BIN, Rch
CCIR/ARM filter
65
5
6
7
8
9
Split Supply Voltage (V)
Rev.5, Oct. 1999, page 28 of 69