HA12167FB Datasheet, PDF (25/73 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck (Deck 1 Chip)

R_INJ
38
3.6 mA
HA12167/9
V_INJ
70 71 34
HA12167FB/HA12169FB
R_INJ
38
3.6 mA
HA12167/9
V_INJ
70 71 34
V_EE
a) Single supply use
b) Split supply use
Figure 7 Injector Current Application
The Tolerances of External Components for Dolby NR-Block
For adequate Dolby NR tracking response, take external components shown below.
For C5, C6, C24, and C25, please employ a few object of the leak, though you can be useful for an
electrolytic-capacitor.
C27
2200 p
±5%
C28
2200 p
±5%
R31
18 k
±2%
64
BIAS
R24
22 k
59 ^±2% 58
PB OUT SS1
(L)
(L)
R26
560
±2%
C26
2200 p
±5%
C25
0.1 µ
±10%
C24
0.1 µ
±10%
57
56
55
54
SS2
CCR
HLS
LLS
(L)
(L) DET(L) DET(L)
HA12167/9 (REC 1 Chip)
Unit R : Ω
C: F
PB OUT SS1
(R)
(R)
SS2
CCR
HLS
LLS
(R)
(R) DET(R) DET(R)
2
3
4
5
6
7
R2
22 k
±2%
R3
560
±2%
C4
2200 p
±5%
C5
0.1 µ
±10%
C6
0.1 µ
±10%
C2
2200 p
±5%
C3
2200 p
±5%
Figure 8 Tolerances of External Components
Rev.3, Jun. 1997, page 25 of 73