HA12226F Datasheet, PDF (80/84 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12226F/HA12227F
10
8
6
4
2
0
−2
−4
ALC Operate Level vs. Frequency
ALC-cal = 5V
ALC-cal = 5V
ALC-cal = 2.5V
ALC-cal = 2.5V
ALC-cal = 0V
ALC-cal = 0V
Vin = +12dB, Both channel input (L, Rch), Rin → RECOUT
Norm
Crom
100
1k
10k
Frequency (Hz)
Bias Output Voltage vs. Load Current
13
V_CC = 12V
Bias ON
270Ω
31
V
I
12
11
10
0
1
2
3
4
5
6
7
Load Current I (mA)
Rev.6.00 Jun 15, 2005 page 80 of 83