NJM2177A データシートの表示（PDF） - Japan Radio Corporation
部品番号
コンポーネント説明
メーカー
NJM2177A Datasheet PDF : 1 Pages
| |||
DOLBY
Dolby Pro Logic Surround Decoder
NJW1102 / 1102A
DATA SHEET
DATA SHEET
s GENERAL DESCRIPTION
The NJW1102/1102A are Dolby Pro Logic Surround
Decoder. The internal status and the balance of surround
speakers are controlled by serial data.
The NJW1102/1102A perform complete Dolby Pro Logic
Surround and other functions such as Hall, Matrix, etc. com-
bined with the NJU9702 digital delay IC.
s FEATURES
q Operating Voltage
9 to 13V
q Center and Surround Channel Level Trimmer
NJW1102
-15 to +15dB / 1dB Step
(Pro Logic Mode
-15 to +3dB/1dB Step)
NJW1102A
-31 to 0dB / 1dB Step
q Other Surround Mode
q Serial Data Control(3-wire:DATE,REQ,SCK)
q Internal Mode Control Switch
q Package Outline
SDIP56, TQFP64
s BLOCK DIAGRAM
Dolby Pro Logic Surround Decoder
NJM2177A DATA SHEET
s GENERAL DESCRIPTION
The NJM2177A is a Dolby Pro Logic Surround Decoder con-
taining modified B-Type noise reduction circuit, input auto-bal-
ance controller, noise sequencer, adaptive matrix and more.
The NJM2177A performs complete Dolby Pro Logic Sur-
round function combined with the NJU9702 digital delay IC.
s FEATURES
q Operating Voltage
9 to 13V
q Dolby Operating Level 300mVrms
q Low Operating Current 34mA typ.
q Dolby Pro Logic Surround decoding
q Internal Mode Control Switch
q Noise Sequencer Controlled by Two Bits
q Bipolar Technology
q Package Outline
SDIP56, TQFP64
s BLOCK DIAGRAM
Note: The word "DOLBY", "Pro Logic" and double D mark are registered trademarks of Dolby Laboratories.
16
Share Link: 