HA12215 Hitachi Semiconductor, HA12215 Datasheet - Page 2

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

HA12215F
Ordering Information
Operating Voltage
Product
HA12215F
Standard Level
Product
HA12215F
Function
Product
HA12215F
Note: Depending on the employed REC / PB head and test tape characteristics, there is a rare case that
Rev.5, Oct. 1999, page 2 of 69
the REC-EQ characteristics of this LSI can not be matched to the required characteristics because of
built-in resistors which determined the REC-EQ parameters in this case, please inquire the
responsible agent because the adjustment built-in resistor is necessary.
Dolby B-NR
FP-56
Package
V
+6.0 to +7.5
CC
(V)
REC-EQ
PB-OUT Level
580 mVrms
Music
Sensor
V
–7.5 to –6.0
EE
(V)
Pass Amp.
300 mVrms
REC-OUT Level
REC / PB
Selection
Note
V
CC
+ V
Dolby Level
300 mVrms
EE
< 1.0 V
ALC