Hitachi HA12207NT
HA12207NT is silicon monolithic bipolar IC providing PB equalizer, REC equalizer system and each electronic control switch in one chip. 1999, page 6 of 27 HA12207NT Functional Description Power Supply Range HA12207NT is designed to operate on single supply, shown by table 1.| Part No. | HA12207NT |
|---|---|
| Datasheet | HA12207NT Download |
| Manufacturer |  Hitachi |
| Description | Audio Signal Processor |
| Buy | Stock & Price |
DESCRIPTION
Functions● PB equalizer
● REC equalizer
● REC MUTE
● REC head return switch × 2 channel × 2 channel
● Each electronic control switch to change REC/PB etc.
FEATURES
● REC equalizer is very small number of external parts, built-in 2 types of frequency characteristics.● PB equalizer circuit built-in.
● REC /PB of high speed mode are possible with TYPE 1(Normal tape).
● Controllable from direct micro-computer output.
● Available to reduce substrate-area because of high integration and small external parts.
● As the pins arrangement resembles HA12185NT, it can design the board that is replaced with HA12185NT. HA12207NT Pin
DESCRIPTION
, Equivalent Circuit (VCC = 10.5V, Vref = 5.6V, Ta = 25°C, No signal, The value in the table show typical value.) Pin No. 1 2 Pin Name VCC RECOUT (L) Note V = VCC V = Vref VCC Equivalent Circuit PinDESCRIPTION
VCC pin REC-EQ output GND 3 4 RECOUT (R) REC-RETURN V = Vref V ’= Vref VCC I REC return V 5 pin, 6 pin 4 V’ I GND 5 6 7 PB-IN B (L) PB-IN...
