This document introduces the HA12141/142NT, HA12170NT, HA12161/162FP products, including functions, features, and ordering information.
The document describes Hitachi's HA12141NT, HA12142NT, HA12170NT, HA12161FP, and HA12162FP silicon monolithic bipolar IC series that provide dual‑channel Dolby B‑ and C‑type noise reduction in a single chip. It includes ordering information, electrical characteristics, package dimensions, and a disclaimer.
Key features include low external parts count, built‑in time‑constant capacitors, separate REC/PB inputs and outputs, three PB‑out level options, and a wide operating supply voltage range of 7.5 V to 16 V. The datasheet provides detailed specifications such as supply voltage limits, power dissipation, temperature ranges, and pin‑compatible package options (DP‑30S and FP‑28D).
| Maximum supply voltage (Vmax) | 16 V |
|---|---|
| Power dissipation | 400 mW |
| Operating temperature range | -40 °C to +85 °C |
| Quiescent current (typical) | 12.0 mA |
The maximum supply voltage is 16 V.
They operate from –40 °C to +85 °C.
Two package types are offered: DP‑30S and FP‑28D.