HA12215 Hitachi Semiconductor, HA12215 Datasheet - Page 27

• Manufacturer Part Number: HA12215
• Description: Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)
• Manufacturer: Hitachi Semiconductor

85
80
75
70
65
85
80
75
70
65
5
5
f = 1kHz, RECmode
Rin
Rin
CCIR/ARM filter
f = 1kHz, PBmode
AIN
BIN
CCIR/ARM filter
Signal to Noise Ratio vs. Split Supply Voltage (1)
Signal to Noise Ratio vs. Split Supply Voltage (2)
NR-OFF
NR-ON
NR-OFF
NR-ON
AIN, NR-OFF
BIN, NR-OFF
AIN, NR-ON
BIN, NR-ON
RECOUT = 300mVrms = 0dB
PBOUT = 580mVrms = 0dB
PBOUT = 580mVrms = 0dB
6
6
Split Supply Voltage (V)
Split Supply Voltage (V)
RECOUT
PBOUT
7
7
8
8
Rev.5, Oct. 1999, page 27 of 69
9
9
HA12215F