HA12203NT Datasheet, PDF (28/97 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12203NT/HA12204NT
HA12203NT
Signal to Noise Ratio vs. Split Supply Voltage
RECmode NR-OFF
RECOUT
Total Harmonic Distortion vs. Split Supply Voltage
(PBmode NR-OFF)
1.0
85
PBmode NR-ON Ain
PBOUT
100 Hz
Ain
1 kHz Bin
10 kHz
Ain or Bin → PBOUT = 580 mVrms = 0 dB
PBmode NR-OFF
PASSmode Ain
PBOUT
Bin
80
0.1
PBmode NR-OFF Ain
PBOUT
Bin
75
RECmode NR-ON
RECOUT
0.01
PBOUT 0 dB = 580 mVrms
70 ^{Ain / Bin Rg = 10 kΩ}
RECOUT 0 dB = 300 mVrms
Rin
Rg = 5.1 kΩ
CCiR / ARM Filter
5
6
7
8
Split Supply Voltage (V)
5
6
7
8
Split Supply Voltage (V)
Rev.3, Jun. 1999, page 28 of 97