Hitachi HA12230NT
HA12230NT is silicon monolithic bipolar IC providing PB equalizer, REC equalizer system and each electronic control switch in one chip. 2000, page 6 of 32 HA12230NT Functional Description Power Supply Voltage Range HA12230NT is designed to operate on single supply, shown by table 1.| Part No. | HA12230NT |
|---|---|
| Datasheet | HA12230NT Download |
| Manufacturer |  Hitachi |
| Description | Audio Signal Processor |
| Buy | Stock & Price |
DESCRIPTION
Functions● PB equalizer
● REC equalizer × 2 channel × 2 channel
● MS use Mixing Amp.
● Each electronic control switch to change tape type and mute etc.
● REC mute
● REC head return switch
● Line Amp.
● Line mute
FEATURES
● REC equalizer is very small number of external parts, built-in 2 types of frequency characteristics● PB equalizer circuit built-in
● REC/PB are possible with TYPE I/II
● Controllable from direct micro-computer output
● Available to reduce substrate-area because of high integration and small external parts HA12230NT Pin
DESCRIPTION
, Equivalent Circuit (VCC = 12 V, Ta = 25°C, No signal, The value in the table show typical value.) Pin No. 17 16 Pin Name VCC RECOUT(L) Note V = VCC V = VCC/2 VCC Equivalent Circuit PinDESCRIPTION
VCC pin REC-EQ output GND 15 10 1 30 RECOUT(R) MAOUT VREF REC-RETURN V = V’ = VCC/2 VCC MS Amp. output Reference REC return V pin 3, pin 29 I GND , 30 V 29 3 28 BIN(L) BIN(R) AIN(L) V = VCC/2 VCC PB B deck input PB A deck input PB-NF 4 11 AIN(R) MAI V = VCC/2 MAOUT 100 k V 45 k VCC/2 VCC MS Amp. input Rev.6, Nov.
